# Building permits at 311 Mapleton Ave, Boulder, CO

182 permits on record here. The newest, Sep 17: Unit A205- Remodel of a 3-Bedroom Unit into a 2-Bedroom Unit with updated Closets. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 17, 2026 | Alteration or repair | Unit A205- Remodel of a 3-Bedroom Unit into a 2-Bedroom Unit with updated Closets, updated Kitchen and updated Laundry | $425,000 | [BLD-MFD2026-00072](https://nearbypermits.com/boulder/permit/BLD-MFD2026-00072/) |
| Sep 18, 2025 | Electrical | Unit pump-311. Service permit for irrigation pump meter. Work was completed under previous permit (unknown as there are hundreds for this parcel). Advised by inspector to apply for a permit for the meter. 10/20/25-Additional plans submitted needed for inspections. | $1,000 | [ELE2025-00814](https://nearbypermits.com/boulder/permit/ELE2025-00814/) |
| Feb 6, 2025 | Fire systems | Fire Sprinkler Modification(FSR13R) | $3,000 | [FIR2025-00001](https://nearbypermits.com/boulder/permit/FIR2025-00001/) |
| Jan 10, 2024 | Other | ECP for The Academy on Mapleton Hill -Permittee/ECHO site-Cottages development. | Not listed | [ECP2023-00015](https://nearbypermits.com/boulder/permit/ECP2023-00015/) |
| Aug 12, 2022 | Other | *Voided for inactivity - requirements not met.* Construction trailer associated with BLD-SFA2021-00020. | Not listed | [CTR2022-00005](https://nearbypermits.com/boulder/permit/CTR2022-00005/) |
| May 23, 2022 | Plumbing | 2527/2529 4th Street (duplex): New construction of 2-story duplex building with an attached single-car garage. Each unit will have a total building area of 3,621.5 GSF. H1 has two bedrooms, 3.5 bathrooms, roof deck, and a single car garage. H2 has two bedrooms, 2.5 bathrooms, roof deck, and a single | $15,000 | [PLB2021-00622](https://nearbypermits.com/boulder/permit/PLB2021-00622/) |
| May 23, 2022 | Plumbing | 2531/2533 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. Unit J1 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms, roof deck and single car garage J2 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single c | $15,000 | [PLB2021-00621](https://nearbypermits.com/boulder/permit/PLB2021-00621/) |
| May 23, 2022 | Plumbing | 2535/2537 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure and attached single car garage. Fully Sprinklered. Unit J3 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms. Unit J4 to be 4,359 GSF with 3 bedrooms and 2 full baths, 2 powder rooms. The building mater | $15,000 | [PLB2021-00620](https://nearbypermits.com/boulder/permit/PLB2021-00620/) |
| May 23, 2022 | Plumbing | 2539/2541 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. J5 to be 4,378 GSF with 2 bedrooms and 3 bathrooms, roof deck and single car garage. J6 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single car gar | $15,000 | [PLB2021-00619](https://nearbypermits.com/boulder/permit/PLB2021-00619/) |
| May 23, 2022 | Mechanical (HVAC) | 2527/2529 4th Street (duplex): New construction of 2-story duplex building with an attached single-car garage. Each unit will have a total building area of 3,621.5 GSF. H1 has two bedrooms, 3.5 bathrooms, roof deck, and a single car garage. H2 has two bedrooms, 2.5 bathrooms, roof deck, and a single | $15,000 | [MEC2021-01869](https://nearbypermits.com/boulder/permit/MEC2021-01869/) |
| May 23, 2022 | Mechanical (HVAC) | 2531/2533 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. Unit J1 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms, roof deck and single car garage J2 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single c | $15,000 | [MEC2021-01866](https://nearbypermits.com/boulder/permit/MEC2021-01866/) |
| May 23, 2022 | Mechanical (HVAC) | 2535/2537 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure and attached single car garage. Fully Sprinklered. Unit J3 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms. Unit J4 to be 4,359 GSF with 3 bedrooms and 2 full baths, 2 powder rooms. The building mater | $15,000 | [MEC2021-01865](https://nearbypermits.com/boulder/permit/MEC2021-01865/) |
| May 23, 2022 | Mechanical (HVAC) | 2539/2541 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. J5 to be 4,378 GSF with 2 bedrooms and 3 bathrooms, roof deck and single car garage. J6 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single car gar | $15,000 | [MEC2021-01863](https://nearbypermits.com/boulder/permit/MEC2021-01863/) |
| May 23, 2022 | Electrical | 2527/2529 4th Street (duplex): New construction of 2-story duplex building with an attached single-car garage. Each unit will have a total building area of 3,621.5 GSF. H1 has two bedrooms, 3.5 bathrooms, roof deck, and a single car garage. H2 has two bedrooms, 2.5 bathrooms, roof deck, and a single | $20,000 | [ELE2021-01500](https://nearbypermits.com/boulder/permit/ELE2021-01500/) |
| May 23, 2022 | Electrical | 2531/2533 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. Unit J1 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms, roof deck and single car garage J2 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single c | $20,000 | [ELE2021-01499](https://nearbypermits.com/boulder/permit/ELE2021-01499/) |
| May 23, 2022 | Electrical | 2535/2537 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure and attached single car garage. Fully Sprinklered. Unit J3 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms. Unit J4 to be 4,359 GSF with 3 bedrooms and 2 full baths, 2 powder rooms. The building mater | $20,000 | [ELE2021-01498](https://nearbypermits.com/boulder/permit/ELE2021-01498/) |
| May 23, 2022 | Electrical | 2539/2541 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. J5 to be 4,378 GSF with 2 bedrooms and 3 bathrooms, roof deck and single car garage. J6 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single car gar | $20,000 | [ELE2021-01497](https://nearbypermits.com/boulder/permit/ELE2021-01497/) |
| Jul 14, 2021 | Fire systems | Install new fire alarm system for a new multi-family structure housing assisted living. See BLD-MFD2020-00447 for general building permit. 311 Mapleton building B | $55,000 | [FIR2021-00221](https://nearbypermits.com/boulder/permit/FIR2021-00221/) |
| Apr 12, 2021 | Plumbing | *Building A3 - 7,680 SF single story stone veneer building with expanses of glass. This is part of a congregate living facility with therapy pool and locker rooms. | $127,151 | [PLB2020-00410](https://nearbypermits.com/boulder/permit/PLB2020-00410/) |
| Apr 12, 2021 | Electrical | *Building A3 - 7,680 SF single story stone veneer building with expanses of glass. This is part of a congregate living facility with therapy pool and locker rooms. | $143,649 | [ELE2020-00866](https://nearbypermits.com/boulder/permit/ELE2020-00866/) |
| Mar 10, 2021 | Other | *Voided due to no inspections in 180 days* Construction trailer for 311 Mapleton development. | Not listed | [CTR2021-00003](https://nearbypermits.com/boulder/permit/CTR2021-00003/) |
| Aug 19, 2020 | Fence, wall or deck | *Voided for inactivity - requirements not met.* *Permit for modular block retaining wall. Resubmittal 4/28: Addition of 33 retaining walls, increase in valuation. Resubmitted for the addition of six more retaining walls -4/27/23 | $212,072 | [FEN2020-00019](https://nearbypermits.com/boulder/permit/FEN2020-00019/) |
| Dec 2, 2019 | Demolition | Full structure demolition of existing main medical building and full structure demolition of accessory sports medicine trailer. | Not listed | [DEM2019-00097](https://nearbypermits.com/boulder/permit/DEM2019-00097/) |
| Oct 18, 2019 | Electrical | Temporary power for abatement/demolition and construction trailer (under separate permit). | Not listed | [ELE2019-01601](https://nearbypermits.com/boulder/permit/ELE2019-01601/) |
| Oct 17, 2019 | Demolition | Deconstruction of a single-story, framed, single-family dwelling, originally constructed in 1940s-1950s. | Not listed | [DEM2019-00085](https://nearbypermits.com/boulder/permit/DEM2019-00085/) |
| Oct 17, 2019 | Demolition | Deconstruction of a single-story, brick, cottage/single-family dwelling, originally constructed in 1950. | Not listed | [DEM2019-00084](https://nearbypermits.com/boulder/permit/DEM2019-00084/) |
| Oct 17, 2019 | Demolition | Deconstruction of a single-story, accessory, detached, framed garage. | Not listed | [DEM2019-00083](https://nearbypermits.com/boulder/permit/DEM2019-00083/) |
| Oct 17, 2019 | Demolition | Deconstruction of a single-story, accessory, detached, stucco garage. | Not listed | [DEM2019-00082](https://nearbypermits.com/boulder/permit/DEM2019-00082/) |
| Oct 17, 2019 | Demolition | Deconstruction of a split-level brick building, originally constructed in 1957, used to contain boilers for the 311 Mapleton campus and adjacent to an existing historically significant smokestack (smokestack to remain). | Not listed | [DEM2019-00081](https://nearbypermits.com/boulder/permit/DEM2019-00081/) |
| Oct 14, 2019 | Grading | Grading Associated to 311 Mapleton (Academy on Mapleton Hill) project | $55,600 | [GRA2019-00006](https://nearbypermits.com/boulder/permit/GRA2019-00006/) |
| Oct 14, 2019 | Other | Erosion Control Permit associated to Mapleton Hill Project (Permittee/Saunders Construction) | Not listed | [ECP2019-00031](https://nearbypermits.com/boulder/permit/ECP2019-00031/) |
| May 7, 2015 | Plumbing | Interior, non-structural remodel/repair of 489 sq.ft. Scope of work includes re-wiring of entire house, replace sinks, toilet, & shower, and replace insulation and drywall. | $1,500 | [PMT2015-01735-PLB](https://nearbypermits.com/boulder/permit/PMT2015-01735-PLB/) |
| May 7, 2015 | Electrical | Interior, non-structural remodel/repair of 489 sq.ft. Scope of work includes re-wiring of entire house, replace sinks, toilet, & shower, and replace insulation and drywall. Original address 389 Maxwell | $4,000 | [PMT2015-01735-ELE](https://nearbypermits.com/boulder/permit/PMT2015-01735-ELE/) |
| May 7, 2015 | Alteration or repair | Interior, non-structural remodel/repair of 489 sq.ft. Scope of work includes re-wiring of entire house, replace sinks, toilet, & shower, and replace insulation and drywall. Original address 389 Maxwell | $27,228 | [PMT2015-01735](https://nearbypermits.com/boulder/permit/PMT2015-01735/) |
| Dec 27, 2012 | Roofing | Remove shingles and re-roof cottage building on Boulder Community Hospital property with 3-tab shingles. Shingles shall comply with 90 mph, 3 second gust wind rating. 10 squares, roof pitch represented by contrctor to be 4:12. Original address 389 Maxwell | $2,971 | [PMT2012-06105-RFG](https://nearbypermits.com/boulder/permit/PMT2012-06105-RFG/) |
| Dec 27, 2012 | Roofing | Remove shingles and re-roof cottage building on Boulder Community Hospital property with 3-tab shingles. Shingles shall comply with 90 mph, 3 second gust wind rating. 8 squares, roof pitch represented by contrctor to be 4:12. Original address 353 Maxwell | $2,392 | [PMT2012-06104-RFG](https://nearbypermits.com/boulder/permit/PMT2012-06104-RFG/) |
| Oct 10, 2008 | Roofing | Total tear off and overlay of existing roof section at Boulder Community Hospital. Fibertite 45-mil fully adhered fleeceback, 16 squares, 3/12 pitch. | $18,022 | [PMT2008-04509-RFG](https://nearbypermits.com/boulder/permit/PMT2008-04509-RFG/) |
| Feb 26, 2008 | Roofing | Roofing Permit for partial tear off and overlay of 11 squares of Mop Down Fibertite shingles on a 1/8" slope roof | $9,149 | [PMT2008-00697-RFG](https://nearbypermits.com/boulder/permit/PMT2008-00697-RFG/) |
| May 14, 2007 | Fire systems | Boulder Community Hospital Penthouse, Trailer, and Boiler Room Fire Alarm TI | $22,000 | [PMT2007-01645-FIR](https://nearbypermits.com/boulder/permit/PMT2007-01645-FIR/) |
| Apr 27, 2005 | Fire systems | Fire Sprinkler- Record Storage | $6,715 | [PMT2005-01424-FIR](https://nearbypermits.com/boulder/permit/PMT2005-01424-FIR/) |
| Mar 31, 2005 | Fire systems | Fire alarm system - 3rd floor upgrade. Original address 345 Maxwell | $15,000 | [PMT2005-00993-FIR](https://nearbypermits.com/boulder/permit/PMT2005-00993-FIR/) |
| Dec 8, 2004 | Fire systems | Fire Alarm upgrade - 2nd floor | $5,300 | [PMT2004-00443-FIR](https://nearbypermits.com/boulder/permit/PMT2004-00443-FIR/) |
| Nov 19, 2004 | Fire systems | Fire Suppression System | $6,000 | [PMT2004-04362-FIR](https://nearbypermits.com/boulder/permit/PMT2004-04362-FIR/) |
| Jun 18, 2004 | Mechanical (HVAC) | New one ton comfort cooling unit for additional air conditioning in a nurse's station / computer room. | $3,000 | [PMT2004-02357-MEC](https://nearbypermits.com/boulder/permit/PMT2004-02357-MEC/) |
| Feb 4, 2004 | Plumbing | Tenant remodel of reception area and two exam rooms. | $3,400 | [PMT2004-00405-PLB](https://nearbypermits.com/boulder/permit/PMT2004-00405-PLB/) |
| Feb 4, 2004 | Electrical | Tenant remodel of reception area and two exam rooms. | $2,660 | [PMT2004-00405-ELE](https://nearbypermits.com/boulder/permit/PMT2004-00405-ELE/) |
| Feb 4, 2004 | Alteration or repair | Tenant remodel of reception area and two exam rooms. | $24,392 | [PMT2004-00405](https://nearbypermits.com/boulder/permit/PMT2004-00405/) |
| Jan 21, 2004 | Demolition | Interior non-structural demolition to remove a "half wall" partition and removal of carpeting in an existing office space. | Not listed | [PMT2004-00235-DEM](https://nearbypermits.com/boulder/permit/PMT2004-00235-DEM/) |
| Aug 22, 2003 | Sign | Erect a new non-electric wall sign reading "MAPLETON REHABILITATION SERVICES". | $1,000 | [PMT2003-03135-SGN](https://nearbypermits.com/boulder/permit/PMT2003-03135-SGN/) |
| May 6, 2003 | Fire systems | Fire Alarm System - Sleep Lab | $2,500 | [PMT2003-01233-FIR](https://nearbypermits.com/boulder/permit/PMT2003-01233-FIR/) |
| Apr 17, 2003 | Electrical | Install new canopy with associated signage and lighting for therapy pool entry drop-off. See adr2002-00146 | $5,000 | [PMT2002-03604-ELE](https://nearbypermits.com/boulder/permit/PMT2002-03604-ELE/) |
| Apr 17, 2003 | Addition | Install new canopy with associated signage and lighting for therapy pool entry drop-off. See adr2002-00146 | $90,000 | [PMT2002-03604](https://nearbypermits.com/boulder/permit/PMT2002-03604/) |
| Feb 6, 2003 | Mechanical (HVAC) | Replace existing rooftop air handling unit and HW pump | $126,782 | [PMT2003-00455-MEC](https://nearbypermits.com/boulder/permit/PMT2003-00455-MEC/) |
| Feb 6, 2003 | Electrical | Replace existing rooftop air handling unit and HW pump | $3,000 | [PMT2003-00455-ELE](https://nearbypermits.com/boulder/permit/PMT2003-00455-ELE/) |
| Jan 27, 2003 | Plumbing | Tenant remodel | $1,500 | [PMT2003-00325-PLB](https://nearbypermits.com/boulder/permit/PMT2003-00325-PLB/) |
| Jan 27, 2003 | Mechanical (HVAC) | Tenant remodel | $38,000 | [PMT2003-00325-MEC](https://nearbypermits.com/boulder/permit/PMT2003-00325-MEC/) |
| Jan 27, 2003 | Electrical | Tenant remodel | $22,000 | [PMT2003-00325-ELE](https://nearbypermits.com/boulder/permit/PMT2003-00325-ELE/) |
| Jan 27, 2003 | Alteration or repair | Tenant remodel | $200,000 | [PMT2003-00325](https://nearbypermits.com/boulder/permit/PMT2003-00325/) |
| Dec 3, 2002 | Fire systems | Fire Sprinkler system | $800 | [PMT2002-05101-FIR](https://nearbypermits.com/boulder/permit/PMT2002-05101-FIR/) |
| Jun 25, 2002 | Fire systems | Fire Alarm System - Easy Street | $3,431 | [PMT2002-02393-FIR](https://nearbypermits.com/boulder/permit/PMT2002-02393-FIR/) |
| Jun 20, 2002 | Fire systems | Fire Alarm System | $10,000 | [PMT2002-02552-FIR](https://nearbypermits.com/boulder/permit/PMT2002-02552-FIR/) |
| Jun 17, 2002 | Fire systems | Fire Sprinkler System - Easy Streetx | $1,500 | [PMT2002-02442-FIR](https://nearbypermits.com/boulder/permit/PMT2002-02442-FIR/) |
| May 31, 2002 | Electrical | Interior remodel, buisness office expantion | $2,000 | [PMT2002-00973-ELE](https://nearbypermits.com/boulder/permit/PMT2002-00973-ELE/) |
| May 31, 2002 | Alteration or repair | Interior remodel, buisness office expantion | $30,000 | [PMT2002-00973](https://nearbypermits.com/boulder/permit/PMT2002-00973/) |
| May 29, 2002 | Fire systems | Fire Alarm System - 1st floor | $35,000 | [PMT2002-02113-FIR](https://nearbypermits.com/boulder/permit/PMT2002-02113-FIR/) |
| Apr 3, 2002 | Plumbing | Tenant finish for the medicare clinic. | $65,000 | [PMT2002-00870-PLB](https://nearbypermits.com/boulder/permit/PMT2002-00870-PLB/) |
| Apr 3, 2002 | Mechanical (HVAC) | Tenant finish for the medicare clinic. | $35,000 | [PMT2002-00870-MEC](https://nearbypermits.com/boulder/permit/PMT2002-00870-MEC/) |
| Apr 3, 2002 | Electrical | Tenant finish for the medicare clinic. | $35,000 | [PMT2002-00870-ELE](https://nearbypermits.com/boulder/permit/PMT2002-00870-ELE/) |
| Apr 3, 2002 | Other | Tenant finish for the medicare clinic. | $325,000 | [PMT2002-00870](https://nearbypermits.com/boulder/permit/PMT2002-00870/) |
| Jan 17, 2002 | Demolition | Interior, non-structural demo on the first level. | Not listed | [PMT2002-00200-DEM](https://nearbypermits.com/boulder/permit/PMT2002-00200-DEM/) |
| Oct 16, 2001 | Fence, wall or deck | Sitework to reconfigure parking lot (adding 6 stalls, removing 2 accessible stalls, for a gain of 4 stalls overall) and landscaping, and construction of retaining walls. (ADR2000-00116) Scope of project reduced through 10/02/2001 resubmittal. | Not listed | [PMT2001-02857](https://nearbypermits.com/boulder/permit/PMT2001-02857/) |
| Mar 23, 2001 | Roofing | Tear off existing roofs. Prime concrete. Install Fiberfile Fleece Backed EPDM roofing. | $22,980 | [PMT2001-01089-RFG](https://nearbypermits.com/boulder/permit/PMT2001-01089-RFG/) |
| Jan 3, 2001 | Fire systems | Fire Sprinkler System - Sports Medical | $7,500 | [PMT2001-00020-FIR](https://nearbypermits.com/boulder/permit/PMT2001-00020-FIR/) |
| Jan 3, 2001 | Fire systems | Fire Alarm System - sports medical | $8,796 | [PMT2001-00017-FIR](https://nearbypermits.com/boulder/permit/PMT2001-00017-FIR/) |
| Dec 4, 2000 | Plumbing | Remodel of sports medicine center | $9,800 | [PMT2000-03674-PLB](https://nearbypermits.com/boulder/permit/PMT2000-03674-PLB/) |
| Dec 4, 2000 | Mechanical (HVAC) | Remodel of sports medicine center | $35,000 | [PMT2000-03674-MEC](https://nearbypermits.com/boulder/permit/PMT2000-03674-MEC/) |
| Dec 4, 2000 | Electrical | Remodel of sports medicine center | $25,600 | [PMT2000-03674-ELE](https://nearbypermits.com/boulder/permit/PMT2000-03674-ELE/) |
| Dec 4, 2000 | Alteration or repair | Remodel of sports medicine center | $225,000 | [PMT2000-03674](https://nearbypermits.com/boulder/permit/PMT2000-03674/) |
| Jan 25, 2000 | Roofing | tear-off and re-roof | $78,000 | [PMT2000-00400-RFG](https://nearbypermits.com/boulder/permit/PMT2000-00400-RFG/) |
| Oct 25, 1999 | Fire systems | Fire install fire sprinkler system | $200 | [PMT1999-08726-FIR](https://nearbypermits.com/boulder/permit/PMT1999-08726-FIR/) |
| Jul 29, 1999 | Fire systems | Fire adding to existing system | $5,935 | [PMT1999-06414-FIR](https://nearbypermits.com/boulder/permit/PMT1999-06414-FIR/) |
| Jul 26, 1999 | Mechanical (HVAC) | Mechanical replacing fan coil units | $12,310 | [PMT1999-06302-MEC](https://nearbypermits.com/boulder/permit/PMT1999-06302-MEC/) |
| Jul 26, 1999 | Fire systems | Fire install fire sprinkler system | $2,350 | [PMT1999-06275-FIR](https://nearbypermits.com/boulder/permit/PMT1999-06275-FIR/) |
| Jul 9, 1999 | Fire systems | Fire install fire alarm system | $8,750 | [PMT1999-05517-FIR](https://nearbypermits.com/boulder/permit/PMT1999-05517-FIR/) |
| Jun 3, 1999 | Mechanical (HVAC) | Mechanical | $80,000 | [PMT1999-04127-MEC](https://nearbypermits.com/boulder/permit/PMT1999-04127-MEC/) |
| Jun 3, 1999 | Plumbing | Plumbing | $10,000 | [PMT1999-04126-PLB](https://nearbypermits.com/boulder/permit/PMT1999-04126-PLB/) |
| Jun 3, 1999 | Electrical | Electrical | $55,000 | [PMT1999-04125-ELE](https://nearbypermits.com/boulder/permit/PMT1999-04125-ELE/) |
| Jun 3, 1999 | Alteration or repair | Tenant finish - physical therapy the original general permit number is 994124. | $275,000 | [PMT1999-04124](https://nearbypermits.com/boulder/permit/PMT1999-04124/) |
| Apr 26, 1999 | Elevator | Elevator repair controller and door operator | $15,000 | [PMT1999-03385](https://nearbypermits.com/boulder/permit/PMT1999-03385/) |
| Feb 26, 1999 | Alteration or repair | Tenant finish the original general permit number is 991656. | $5,000 | [PMT1999-01656](https://nearbypermits.com/boulder/permit/PMT1999-01656/) |
| Jan 14, 1999 | Mechanical (HVAC) | Mechanical install duct heaters | $720 | [PMT1999-00429-MEC](https://nearbypermits.com/boulder/permit/PMT1999-00429-MEC/) |
| Dec 30, 1998 | Mechanical (HVAC) | Mechanical mechanical for alteration to therapy pool | $15,000 | [PMT1998-09028-MEC](https://nearbypermits.com/boulder/permit/PMT1998-09028-MEC/) |
| Dec 30, 1998 | Plumbing | Plumbing plumbing for alteration to therapy pool | $39,000 | [PMT1998-09027-PLB](https://nearbypermits.com/boulder/permit/PMT1998-09027-PLB/) |
| Dec 30, 1998 | Electrical | Electrical wiring for interior alteration | $15,000 | [PMT1998-09026-ELE](https://nearbypermits.com/boulder/permit/PMT1998-09026-ELE/) |
| Dec 30, 1998 | Alteration or repair | Interior alteration to therapy pool area the original general permit number is | $220,000 | [PMT1998-09025](https://nearbypermits.com/boulder/permit/PMT1998-09025/) |
| Dec 9, 1997 | Roofing | Roofing reroof with 045 mill with fibertite roofing system | $61,282 | [PMT1997-07885-RFG](https://nearbypermits.com/boulder/permit/PMT1997-07885-RFG/) |
| Nov 26, 1997 | Fire systems | Fire new fire alarm system | $15,275 | [PMT1997-07601-FIR](https://nearbypermits.com/boulder/permit/PMT1997-07601-FIR/) |
| Nov 20, 1997 | Fire systems | Fire install fire sprinkler system | $13,000 | [PMT1997-07413-FIR](https://nearbypermits.com/boulder/permit/PMT1997-07413-FIR/) |
| Oct 6, 1997 | Mechanical (HVAC) | Mechanical install air conditioning and ventilation equip | $55,000 | [PMT1997-06209-MEC](https://nearbypermits.com/boulder/permit/PMT1997-06209-MEC/) |
| Sep 22, 1997 | Plumbing | Plumbing set fixtures | $102,000 | [PMT1997-05903-PLB](https://nearbypermits.com/boulder/permit/PMT1997-05903-PLB/) |
| Sep 22, 1997 | Plumbing | Plumbing set fixtures | $2,336 | [PMT1997-05902-PLB](https://nearbypermits.com/boulder/permit/PMT1997-05902-PLB/) |
| Sep 22, 1997 | Electrical | Electrical WIRING | $8,890 | [PMT1997-05893-ELE](https://nearbypermits.com/boulder/permit/PMT1997-05893-ELE/) |
| Sep 22, 1997 | Electrical | Electrical WIRING | $96,400 | [PMT1997-05892-ELE](https://nearbypermits.com/boulder/permit/PMT1997-05892-ELE/) |
| Sep 19, 1997 | Alteration or repair | Tenant finish the original general permit number is 975834. | $850,000 | [PMT1997-05834](https://nearbypermits.com/boulder/permit/PMT1997-05834/) |
| Sep 16, 1997 | Electrical | Electrical landscape and bollard lighting | $23,692 | [PMT1997-05756-ELE](https://nearbypermits.com/boulder/permit/PMT1997-05756-ELE/) |
| Aug 13, 1997 | New building | Sitework -reverse parking lot layout & create entr the original general permit | Not listed | [PMT1997-04647](https://nearbypermits.com/boulder/permit/PMT1997-04647/) |
| Aug 13, 1997 | Addition | Enclose existing canopy (shell only) and new windo the original general permit | $200,000 | [PMT1997-04646](https://nearbypermits.com/boulder/permit/PMT1997-04646/) |
| Mar 14, 1997 | Demolition | Demolition interior demolition | Not listed | [PMT1997-01480-DEM](https://nearbypermits.com/boulder/permit/PMT1997-01480-DEM/) |
| Feb 13, 1997 | Fire systems | Fire remodel and upgrade existing fire sprinkler system | $400 | [PMT1997-00791-FIR](https://nearbypermits.com/boulder/permit/PMT1997-00791-FIR/) |
| Dec 17, 1996 | Fire systems | Fire add new fire detection | $2,500 | [PMT1996-08290-FIR](https://nearbypermits.com/boulder/permit/PMT1996-08290-FIR/) |
| May 29, 1996 | Addition | Add awnings the original general permit number is 963430. | $1,583 | [PMT1996-03430](https://nearbypermits.com/boulder/permit/PMT1996-03430/) |
| Jan 5, 1996 | Electrical | Electrical electrical on tenant finish | $3,600 | [PMT1996-00100-ELE](https://nearbypermits.com/boulder/permit/PMT1996-00100-ELE/) |
| Jan 4, 1996 | Mechanical (HVAC) | Mechanical install a/c and forced air furnace | $3,250 | [PMT1996-00089-MEC](https://nearbypermits.com/boulder/permit/PMT1996-00089-MEC/) |
| Jan 3, 1996 | Plumbing | Plumbing plumbing tenant finish | $3,000 | [PMT1996-00057-PLB](https://nearbypermits.com/boulder/permit/PMT1996-00057-PLB/) |
| Nov 20, 1995 | Fire systems | Fire add 2 heads in 2 closets | $217 | [PMT1995-08667-FIR](https://nearbypermits.com/boulder/permit/PMT1995-08667-FIR/) |
| Oct 27, 1995 | Alteration or repair | Tenant finish the original general permit number is 957865. | $19,000 | [PMT1995-07865](https://nearbypermits.com/boulder/permit/PMT1995-07865/) |
| Oct 6, 1995 | New building | Detached storage shed the original general permit number is 957574. | $1,000 | [PMT1995-07574](https://nearbypermits.com/boulder/permit/PMT1995-07574/) |
| Sep 28, 1995 | Electrical | Electrical electrical wiring in remodel | $9,000 | [PMT1995-07349-ELE](https://nearbypermits.com/boulder/permit/PMT1995-07349-ELE/) |
| Sep 27, 1995 | Plumbing | Plumbing PLUMBING | $8,300 | [PMT1995-07317-PLB](https://nearbypermits.com/boulder/permit/PMT1995-07317-PLB/) |
| Sep 26, 1995 | Mechanical (HVAC) | Mechanical DUCTWORK | $4,100 | [PMT1995-07269-MEC](https://nearbypermits.com/boulder/permit/PMT1995-07269-MEC/) |
| Sep 22, 1995 | Alteration or repair | Add recovery cubicles in recovery area the original general permit number is 9 | $20,000 | [PMT1995-07183](https://nearbypermits.com/boulder/permit/PMT1995-07183/) |
| Jun 28, 1995 | Elevator | Elevator install new valve | $3,902 | [PMT1995-04848](https://nearbypermits.com/boulder/permit/PMT1995-04848/) |
| Jun 9, 1995 | Demolition | Demolition removal of 2 10000 gallon undergrnd tanks | Not listed | [PMT1995-04315-DEM](https://nearbypermits.com/boulder/permit/PMT1995-04315-DEM/) |
| Apr 21, 1995 | Alteration or repair | Install above ground storage tank the original general permit number is 952980 | $6,000 | [PMT1995-02980](https://nearbypermits.com/boulder/permit/PMT1995-02980/) |
| Apr 13, 1994 | Electrical | Electrical electrical wiring in tenant remodel | $4,000 | [PMT1994-02612-ELE](https://nearbypermits.com/boulder/permit/PMT1994-02612-ELE/) |
| Apr 13, 1994 | Plumbing | Plumbing demo and relocate 5 lavatories | $2,300 | [PMT1994-02608-PLB](https://nearbypermits.com/boulder/permit/PMT1994-02608-PLB/) |
| Apr 1, 1994 | Mechanical (HVAC) | Mechanical relocate diffuser | $400 | [PMT1994-02275-MEC](https://nearbypermits.com/boulder/permit/PMT1994-02275-MEC/) |
| Mar 22, 1994 | Alteration or repair | Tenant remodel the original general permit number is 941130. | $32,000 | [PMT1994-01130](https://nearbypermits.com/boulder/permit/PMT1994-01130/) |
| Dec 15, 1993 | Alteration or repair | Handicapped concrete walk-ramp at 389 maxwell avenue. The original general permit number is 939374. | $2,500 | [PMT1993-09374](https://nearbypermits.com/boulder/permit/PMT1993-09374/) |
| Mar 19, 1993 | Alteration or repair | Handicap ramp curb cut at front entrance the original general permit number is | $1,092 | [PMT1992-03641](https://nearbypermits.com/boulder/permit/PMT1992-03641/) |
| Dec 17, 1990 | Fire systems | Fire fire sprinkler system | Not listed | [PMT1990-R5434-FIR](https://nearbypermits.com/boulder/permit/PMT1990-R5434-FIR/) |
| Dec 17, 1990 | Fire systems | Fire fire sprinkler system | Not listed | [PMT1990-R5433-FIR](https://nearbypermits.com/boulder/permit/PMT1990-R5433-FIR/) |
| Nov 8, 1990 | Plumbing | Plumbing RMDL PLBG | $1,000 | [PMT1990-R4561-PLB](https://nearbypermits.com/boulder/permit/PMT1990-R4561-PLB/) |
| Nov 8, 1990 | Plumbing | Plumbing RMDL PLBG | $700 | [PMT1990-R4560-PLB](https://nearbypermits.com/boulder/permit/PMT1990-R4560-PLB/) |
| Oct 22, 1990 | Electrical | Electrical RMDL WIRING | $5,000 | [PMT1990-R4102-ELE](https://nearbypermits.com/boulder/permit/PMT1990-R4102-ELE/) |
| Oct 22, 1990 | Mechanical (HVAC) | Mechanical RMDL HVAC | $1,000 | [PMT1990-R4080-MEC](https://nearbypermits.com/boulder/permit/PMT1990-R4080-MEC/) |
| Oct 22, 1990 | Mechanical (HVAC) | Mechanical TEN RMDL HVAC | $1,800 | [PMT1990-R4079-MEC](https://nearbypermits.com/boulder/permit/PMT1990-R4079-MEC/) |
| Oct 4, 1990 | Alteration or repair | Rmdl. The original general permit number is r3459. | $60,000 | [PMT1990-R3459](https://nearbypermits.com/boulder/permit/PMT1990-R3459/) |
| Oct 4, 1990 | Alteration or repair | Rmdl. The original general permit number is r3458. | $40,000 | [PMT1990-R3458](https://nearbypermits.com/boulder/permit/PMT1990-R3458/) |
| Jun 18, 1990 | Fire systems | Fire repair fire sklr sys | Not listed | [PMT1990-R1012-FIR](https://nearbypermits.com/boulder/permit/PMT1990-R1012-FIR/) |
| Jun 1, 1990 | Sign | Sign elec sign | $2,500 | [PMT1990-R0522-SGN](https://nearbypermits.com/boulder/permit/PMT1990-R0522-SGN/) |
| May 30, 1990 | Electrical | Electrical hook up elec sign | $400 | [PMT1990-R0532-ELE](https://nearbypermits.com/boulder/permit/PMT1990-R0532-ELE/) |
| May 7, 1990 | Plumbing | Plumbing RMDL PLBG | $5,000 | [PMT1990-R0056-PLB](https://nearbypermits.com/boulder/permit/PMT1990-R0056-PLB/) |
| Apr 16, 1990 | Mechanical (HVAC) | Mechanical psych unit rmdl HVAC | $27,714 | [PMT1990-P9663-MEC](https://nearbypermits.com/boulder/permit/PMT1990-P9663-MEC/) |
| Apr 5, 1990 | Plumbing | Plumbing psych ward rmdl plbg | $5,000 | [PMT1990-P9464-PLB](https://nearbypermits.com/boulder/permit/PMT1990-P9464-PLB/) |
| Mar 27, 1990 | Electrical | Electrical RMDL WIRING | $40,000 | [PMT1990-P9248-ELE](https://nearbypermits.com/boulder/permit/PMT1990-P9248-ELE/) |
| Mar 16, 1990 | Mechanical (HVAC) | Mechanical RMDL HVAC | $3,818 | [PMT1990-P9026-MEC](https://nearbypermits.com/boulder/permit/PMT1990-P9026-MEC/) |
| Mar 6, 1990 | Electrical | Electrical rmdl 3rd floor wiring | $8,000 | [PMT1990-P8777-ELE](https://nearbypermits.com/boulder/permit/PMT1990-P8777-ELE/) |
| Feb 27, 1990 | Alteration or repair | Rmdl psych un. The original general permit number is p8501. | $572,000 | [PMT1990-P8501](https://nearbypermits.com/boulder/permit/PMT1990-P8501/) |
| Feb 7, 1990 | Alteration or repair | Rmdl. The original general permit number is p8185. | $160,000 | [PMT1990-P8185](https://nearbypermits.com/boulder/permit/PMT1990-P8185/) |
| Nov 14, 1989 | Demolition | Demolition remove fuel tank | Not listed | [PMT1989-P6725-DEM](https://nearbypermits.com/boulder/permit/PMT1989-P6725-DEM/) |
| Oct 12, 1989 | Fire systems | Fire fire sprinkler system | Not listed | [PMT1989-P6105-FIR](https://nearbypermits.com/boulder/permit/PMT1989-P6105-FIR/) |
| Sep 11, 1989 | Fire systems | Fire fire sprinkler system | Not listed | [PMT1989-P5328-FIR](https://nearbypermits.com/boulder/permit/PMT1989-P5328-FIR/) |
| May 12, 1989 | Roofing | Roofing repair roof | $1,000 | [PMT1989-P2518-RFG](https://nearbypermits.com/boulder/permit/PMT1989-P2518-RFG/) |
| May 8, 1989 | Fire systems | Fire revise sprinkler sys | Not listed | [PMT1989-P2417-FIR](https://nearbypermits.com/boulder/permit/PMT1989-P2417-FIR/) |
| Apr 27, 1989 | Fire systems | Fire revise fire sprinkler sys | Not listed | [PMT1989-P2198-FIR](https://nearbypermits.com/boulder/permit/PMT1989-P2198-FIR/) |
| Apr 13, 1989 | Electrical | Electrical add receptacles | $1,400 | [PMT1989-P1839-ELE](https://nearbypermits.com/boulder/permit/PMT1989-P1839-ELE/) |
| Apr 10, 1989 | Alteration or repair | Remodel. The original general permit number is p1687. | $6,755 | [PMT1989-P1687](https://nearbypermits.com/boulder/permit/PMT1989-P1687/) |
| Mar 29, 1989 | Fire systems | Fire tenant finish | Not listed | [PMT1989-P1470-FIR](https://nearbypermits.com/boulder/permit/PMT1989-P1470-FIR/) |
| Mar 23, 1989 | Plumbing | Plumbing plumbing sink | $2,000 | [PMT1989-P1354-PLB](https://nearbypermits.com/boulder/permit/PMT1989-P1354-PLB/) |
| Mar 21, 1989 | Electrical | Electrical remodel vcp area lights | $1,000 | [PMT1989-P1285-ELE](https://nearbypermits.com/boulder/permit/PMT1989-P1285-ELE/) |
| Mar 16, 1989 | Alteration or repair | Remod cvp area. The original general permit number is p1140. | $5,500 | [PMT1989-P1140](https://nearbypermits.com/boulder/permit/PMT1989-P1140/) |
| Jan 25, 1989 | Mechanical (HVAC) | Mechanical repair duct systems | $2,000 | [PMT1989-P0372-MEC](https://nearbypermits.com/boulder/permit/PMT1989-P0372-MEC/) |
| Dec 27, 1988 | Mechanical (HVAC) | Mechanical chilled water supply | $5,592 | [PMT1988-N8037-MEC](https://nearbypermits.com/boulder/permit/PMT1988-N8037-MEC/) |
| Dec 15, 1988 | Addition | Mech penthouse. The original general permit number is n2901. | $33,000 | [PMT1988-N2901](https://nearbypermits.com/boulder/permit/PMT1988-N2901/) |
| Dec 13, 1988 | Fire systems | Fire fire alarm | Not listed | [PMT1988-N7875-FIR](https://nearbypermits.com/boulder/permit/PMT1988-N7875-FIR/) |
| Nov 29, 1988 | Fire systems | Fire fire sprinkler system | Not listed | [PMT1988-N7624-FIR](https://nearbypermits.com/boulder/permit/PMT1988-N7624-FIR/) |
| Aug 3, 1988 | Fire systems | Fire add sprinkler heads | Not listed | [PMT1988-N0095-FIR](https://nearbypermits.com/boulder/permit/PMT1988-N0095-FIR/) |
| Jul 12, 1988 | Electrical | Electrical bath remodel wiring | $1,000 | [PMT1988-M9587-ELE](https://nearbypermits.com/boulder/permit/PMT1988-M9587-ELE/) |
| Jun 1, 1988 | Alteration or repair | Bath remodel. The original general permit number is m8633. | $32,000 | [PMT1988-M8633](https://nearbypermits.com/boulder/permit/PMT1988-M8633/) |
| Apr 25, 1988 | Mechanical (HVAC) | Mechanical ductwork to extg fan coil | $1,000 | [PMT1988-M7805-MEC](https://nearbypermits.com/boulder/permit/PMT1988-M7805-MEC/) |
| Mar 9, 1988 | Demolition | Demolition demo/rem undrgrd fuel tnk | Not listed | [PMT1988-M6980-DEM](https://nearbypermits.com/boulder/permit/PMT1988-M6980-DEM/) |
| Jan 19, 1988 | Mechanical (HVAC) | Mechanical WATER PIPING | $24,900 | [PMT1988-M6043-MEC](https://nearbypermits.com/boulder/permit/PMT1988-M6043-MEC/) |
| Dec 21, 1987 | Mechanical (HVAC) | Mechanical new steam water generator | $8,011 | [PMT1987-M5725-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M5725-MEC/) |
| Dec 14, 1987 | Mechanical (HVAC) | Mechanical comfort cooling | $1,772 | [PMT1987-M5644-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M5644-MEC/) |
| Dec 14, 1987 | Mechanical (HVAC) | Mechanical chilled water piping | $2,747 | [PMT1987-M5643-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M5643-MEC/) |
| Dec 14, 1987 | Mechanical (HVAC) | Mechanical relocate air equipment | $10,638 | [PMT1987-M5642-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M5642-MEC/) |
| Nov 18, 1987 | Mechanical (HVAC) | Mechanical add sprinkler heads | $750 | [PMT1987-M5211-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M5211-MEC/) |
| Oct 30, 1987 | Mechanical (HVAC) | Mechanical hot & cold water supply | $3,680 | [PMT1987-M4885-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M4885-MEC/) |
| Oct 19, 1987 | Mechanical (HVAC) | Mechanical a/c unit-scanner equip | $6,800 | [PMT1987-M4640-MEC](https://nearbypermits.com/boulder/permit/PMT1987-M4640-MEC/) |
| Oct 15, 1987 | Plumbing | Plumbing lav for cat scan room | $600 | [PMT1987-M4213-PLB](https://nearbypermits.com/boulder/permit/PMT1987-M4213-PLB/) |
| Oct 5, 1987 | Electrical | Electrical elec for cat scan remodel | $5,000 | [PMT1987-M4304-ELE](https://nearbypermits.com/boulder/permit/PMT1987-M4304-ELE/) |

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 10:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 182 permits at this address: https://nearbypermits.com/boulder/address/311-mapleton-ave/