# Building permits at 3550 Frontier Ave, Boulder, CO

131 permits on record here. The newest, Oct 24, 2025: Replacement of an existing back flow valve not rated for vertical install with a new Deringer 8" valve in the. 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 |
|---|---|---|---|---|
| Oct 24, 2025 | Fire systems | replacement of an existing back flow valve not rated for vertical install with a new Deringer 8" valve in the vertical postion (FSN13) (BFP) | $22,000 | [FIR2025-00328](https://nearbypermits.com/boulder/permit/FIR2025-00328/) |
| Aug 10, 2023 | Sign | 3550 Frontier Ave Unit C Boulder, CO 80301 Non-lit exterior sign 120"x40"x3" flush wall mount | $5,038 | [SGN2023-00053](https://nearbypermits.com/boulder/permit/SGN2023-00053/) |
| Oct 6, 2022 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* Repaired gas pipe leak | $1,400 | [MEC2022-01794](https://nearbypermits.com/boulder/permit/MEC2022-01794/) |
| Oct 6, 2022 | Mechanical (HVAC) | Repair gas pipe leak | $1,400 | [MEC2022-01793](https://nearbypermits.com/boulder/permit/MEC2022-01793/) |
| Jan 28, 2022 | Sign | *Voided for inactivity - no inspections within 180 days* Installation of (1) set of illuminated pan channel letters on a raceway | $5,200 | [SGN2021-00100](https://nearbypermits.com/boulder/permit/SGN2021-00100/) |
| Jan 25, 2021 | Plumbing | *After-the-fact permit for work associated wit the restrooms and office space that was previously un-permitted. | $35,000 | [PLB2020-00340](https://nearbypermits.com/boulder/permit/PLB2020-00340/) |
| Jan 25, 2021 | Electrical | *After-the-fact permit for work associated wit the restrooms and office space that was previously un-permitted. | $7,500 | [ELE2020-00688](https://nearbypermits.com/boulder/permit/ELE2020-00688/) |
| Jan 25, 2021 | Other | *After-the-fact permit for work associated with the restrooms and office space that was previously un-permitted. | $171,296 | [BLD-NRE2020-00092](https://nearbypermits.com/boulder/permit/BLD-NRE2020-00092/) |
| Sep 1, 2020 | Fire systems | Add (4) fire sprinkler heads in warehouse restrooms and offices due to the existing rooms having no fire sprinkler coverage.Rooms were built without a building permit. Connect into the existing wet fire sprinkler system main piping. Install new steel fire sprinkler pipe, fittings, hangers and anchor | $4,170 | [FIR2020-00330](https://nearbypermits.com/boulder/permit/FIR2020-00330/) |
| Jul 22, 2020 | Other | *After-the-fact permit for work associated wit the restrooms and office space that was previously un-permitted. | $50,000 | [FLD2020-00042](https://nearbypermits.com/boulder/permit/FLD2020-00042/) |
| Jan 21, 2020 | Electrical | *remove and replace existing 480v 30amp feeders, disconnect, meter housing, disconnect near transformer, 15kva transformer and 100a 120/208v panelboard. Replace all with a 70amp 480v feed, associated disconnects, new meter housing, 45kva transformer and a 150a 120/208v panel board. All equipment is  | $13,050 | [ELE2019-01719](https://nearbypermits.com/boulder/permit/ELE2019-01719/) |
| Dec 10, 2018 | Mechanical (HVAC) | Installation of a replacement RTU, 150k Btu/h, 11.76 EER, 80% efficient, single-package, heating and cooling unit, like for like in same location. Installation per manufacturer's specifications. No structural work/changes are evident in the approved plans. No approval is given or implied for any str | $13,990 | [MEC2018-01572](https://nearbypermits.com/boulder/permit/MEC2018-01572/) |
| Mar 27, 2018 | Plumbing | FS - SOWL (Scope Of Work Letter) for the addition of 11 devices, and relocation of 2 devices for the new tenant layout per NFPA13 standards. Sanitas brewing. Unit a | Not listed | [PMT2017-02072-PLB](https://nearbypermits.com/boulder/permit/PMT2017-02072-PLB/) |
| Mar 27, 2018 | Fire systems | FS - SOWL (Scope Of Work Letter) for the addition of 11 devices, and relocation of 2 devices for the new tenant layout per NFPA13 standards. Sanitas brewing. Unit a | $1,600 | [PMT2017-02072-FIR](https://nearbypermits.com/boulder/permit/PMT2017-02072-FIR/) |
| Dec 11, 2017 | Roofing | Installation of a new, exterior, rooftop access ladder for fire access and roof/HVAC maintenance, to be located on the NW corner of the existing structure. Installation per JVA's engineers specifications. Ladder to be steel caged and OSHA compliant. No associated MEP's covered within the scope of th | $12,284 | [PMT2017-05439-FLD](https://nearbypermits.com/boulder/permit/PMT2017-05439-FLD/) |
| Dec 11, 2017 | Alteration or repair | Installation of a new, exterior, rooftop access ladder for fire access and roof/HVAC maintenance, to be located on the NW corner of the existing structure. Installation per JVA's engineers specifications. Ladder to be steel caged and OSHA compliant. No associated MEP's covered within the scope of th | $12,284 | [PMT2017-05439](https://nearbypermits.com/boulder/permit/PMT2017-05439/) |
| Aug 25, 2017 | Plumbing | Interior tenant remodel of an existing warehouse for a new distribution center (Amazon). Scope includes addition of accessible ramp and parking spot, addition of bathrooms, breakroom, and some office space, approximately 19,152 sf. Resubmittal on 7/17/17 to address all comments. To include landscape | $19,000 | [PMT2017-01766-PLB](https://nearbypermits.com/boulder/permit/PMT2017-01766-PLB/) |
| Aug 25, 2017 | Mechanical (HVAC) | Interior tenant remodel of an existing warehouse for a new distribution center (Amazon). Scope includes addition of accessible ramp and parking spot, addition of bathrooms, breakroom, and some office space, approximately 19,152 sf. Resubmittal on 7/17/17 to address all comments. To include landscape | $110,000 | [PMT2017-01766-MEC](https://nearbypermits.com/boulder/permit/PMT2017-01766-MEC/) |
| Aug 25, 2017 | Addition | Interior tenant remodel of an existing warehouse for a new distribution center (Amazon). Scope includes addition of accessible ramp and parking spot, addition of bathrooms, breakroom, and some office space, approximately 19,152 sf. Resubmittal on 7/17/17 to address all comments. To include landscape | $1,000,000 | [PMT2017-01766-FLD](https://nearbypermits.com/boulder/permit/PMT2017-01766-FLD/) |
| Aug 25, 2017 | Electrical | Interior tenant remodel of an existing warehouse for a new distribution center (Amazon). Scope includes addition of accessible ramp and parking spot, addition of bathrooms, breakroom, and some office space, approximately 19,152 sf. Resubmittal on 7/17/17 to address all comments. To include landscape | $200,000 | [PMT2017-01766-ELE](https://nearbypermits.com/boulder/permit/PMT2017-01766-ELE/) |
| Aug 25, 2017 | Alteration or repair | Interior tenant remodel of an existing warehouse for a new distribution center (Amazon). Scope includes addition of accessible ramp and parking spot, addition of bathrooms, breakroom, and some office space, approximately 19,152 sf. Resubmittal on 7/17/17 to address all comments. To include landscape | $1,000,000 | [PMT2017-01766](https://nearbypermits.com/boulder/permit/PMT2017-01766/) |
| Jul 6, 2017 | Mechanical (HVAC) | Suite A-2: Installation of new AC split system (22 SEER, 34k BTU) with rooftop condenser (existing curb) and two ceiling cassttes in the mezzanine of suite. Electrical under separate permit. | $10,623 | [PMT2017-02887-MEC](https://nearbypermits.com/boulder/permit/PMT2017-02887-MEC/) |
| Sep 13, 2016 | Fire systems | Fs - sowl - add 2 spks for garage door | $1,145 | [PMT2016-04247-FIR](https://nearbypermits.com/boulder/permit/PMT2016-04247-FIR/) |
| Sep 13, 2016 | Fire systems | Fa - es - add/rel notification | $1,050 | [PMT2016-04237-FIR](https://nearbypermits.com/boulder/permit/PMT2016-04237-FIR/) |
| Mar 3, 2016 | Fire systems | Fs - sowl - add 4 and rel 2 spks | $800 | [PMT2016-00745-FIR](https://nearbypermits.com/boulder/permit/PMT2016-00745-FIR/) |
| Feb 4, 2016 | Electrical | Permit to build interior walls in existing warehouse space to create secured storage. | $1,600 | [PMT2016-00393-ELE](https://nearbypermits.com/boulder/permit/PMT2016-00393-ELE/) |
| Feb 4, 2016 | Alteration or repair | Permit to build interior walls in existing warehouse space to create secured storage. | $54,432 | [PMT2016-00393](https://nearbypermits.com/boulder/permit/PMT2016-00393/) |
| Oct 14, 2015 | Fire systems | Fs - es - tf for bci interiors | $6,165 | [PMT2015-04492-FIR](https://nearbypermits.com/boulder/permit/PMT2015-04492-FIR/) |
| Oct 7, 2015 | Sign | Installation of an internally illuminated wall sign "black lab sports". | $7,427 | [PMT2015-04290-SGN](https://nearbypermits.com/boulder/permit/PMT2015-04290-SGN/) |
| Oct 5, 2015 | Fire systems | Fa - add additional notification unit c2 only | $2,422 | [PMT2015-04323-FIR](https://nearbypermits.com/boulder/permit/PMT2015-04323-FIR/) |
| Sep 21, 2015 | Sign | Suite C-2. Replacement, non-electric wall sign. Copy reads, "bc office interiors" | $966 | [PMT2015-03972-SGN](https://nearbypermits.com/boulder/permit/PMT2015-03972-SGN/) |
| Sep 9, 2015 | Plumbing | Unit C2, BCI Interiors-Tenant remodel in preparation for office/showroom space. Conversion of 750 s.f. of warehouse to office. B=739 sq ft. M= 4030 sq ft and S-1= 6095 sq ft | $1,000 | [PMT2015-03329-PLB](https://nearbypermits.com/boulder/permit/PMT2015-03329-PLB/) |
| Sep 9, 2015 | Electrical | Unit C2, BCI Interiors-Tenant remodel in preparation for office/showroom space. Conversion of 750 s.f. of warehouse to office. B=739 sq ft. M= 4030 sq ft and S-1= 6095 sq ft | $17,000 | [PMT2015-03329-ELE](https://nearbypermits.com/boulder/permit/PMT2015-03329-ELE/) |
| Sep 9, 2015 | Alteration or repair | Unit C2, BCI Interiors-Tenant remodel in preparation for office/showroom space. Conversion of 750 s.f. of warehouse to office. B=739 sq ft. M= 4030 sq ft and S-1= 6095 sq ft | $339,894 | [PMT2015-03329](https://nearbypermits.com/boulder/permit/PMT2015-03329/) |
| Aug 7, 2015 | Demolition | Interior non-structural demolition in preparation for PMT2015-03329. | Not listed | [PMT2015-03330-DEM](https://nearbypermits.com/boulder/permit/PMT2015-03330-DEM/) |
| May 7, 2014 | Grading | Grading on southwest side of existing structures to alleviate drainage issues. | Not listed | [PMT2014-01285-GRA](https://nearbypermits.com/boulder/permit/PMT2014-01285-GRA/) |
| Dec 26, 2013 | Sign | Sign. Installation of new wall mounted sign on southeast elevation of existing building for "The Studio Boulder". | $1,200 | [PMT2013-06957-SGN](https://nearbypermits.com/boulder/permit/PMT2013-06957-SGN/) |
| Nov 6, 2013 | Fire systems | TF Fire Sprinkler System | $2,938 | [PMT2013-06132-FIR](https://nearbypermits.com/boulder/permit/PMT2013-06132-FIR/) |
| Oct 30, 2013 | Fire systems | Fa - tf for art space | $3,100 | [PMT2013-06008-FIR](https://nearbypermits.com/boulder/permit/PMT2013-06008-FIR/) |
| Oct 23, 2013 | Electrical | T.I. finish of individual workshop spaces. Gyp. bd. finish on walls and dropped acoustic ceiling. No penetrations to existing building envelope. Plumbing fixture count completed on a recently approved building permit and not required for this submittal. ADA improvements completed in previous T.I. fi | $3,000 | [PMT2013-04750-ELE](https://nearbypermits.com/boulder/permit/PMT2013-04750-ELE/) |
| Oct 23, 2013 | Alteration or repair | T.I. finish of individual workshop spaces. Gyp. bd. finish on walls and dropped acoustic ceiling. No penetrations to existing building envelope. Plumbing fixture count completed on a recently approved building permit and not required for this submittal. ADA improvements completed in previous T.I. fi | $66,388 | [PMT2013-04750](https://nearbypermits.com/boulder/permit/PMT2013-04750/) |
| Sep 18, 2013 | Plumbing | Tenat remodel of approximately 2,000 sf (in an existing tenant space of 8,500 sf) to create artisit's studio space -- to include two ANSI compliant restrooms, modificed interior lighting and an removal of an existing window in the exterior wall and installation of a roll-up door in a newly created d | $15,000 | [PMT2013-03894-PLB](https://nearbypermits.com/boulder/permit/PMT2013-03894-PLB/) |
| Sep 18, 2013 | Mechanical (HVAC) | Tenat remodel of approximately 2,000 sf (in an existing tenant space of 8,500 sf) to create artisit's studio space -- to include two ANSI compliant restrooms, modificed interior lighting and an removal of an existing window in the exterior wall and installation of a roll-up door in a newly created d | $5,000 | [PMT2013-03894-MEC](https://nearbypermits.com/boulder/permit/PMT2013-03894-MEC/) |
| Sep 18, 2013 | Electrical | Tenat remodel of approximately 2,000 sf (in an existing tenant space of 8,500 sf) to create artisit's studio space -- to include two ANSI compliant restrooms, modificed interior lighting and an removal of an existing window in the exterior wall and installation of a roll-up door in a newly created d | $35,000 | [PMT2013-03894-ELE](https://nearbypermits.com/boulder/permit/PMT2013-03894-ELE/) |
| Sep 18, 2013 | Alteration or repair | Tenat remodel of approximately 2,000 sf (in an existing tenant space of 8,500 sf) to create artisit's studio space -- to include two ANSI compliant restrooms, modificed interior lighting and an removal of an existing window in the exterior wall and installation of a roll-up door in a newly created d | $150,000 | [PMT2013-03894](https://nearbypermits.com/boulder/permit/PMT2013-03894/) |
| Jul 16, 2013 | Fire systems | Fs - tf for brewery | $9,000 | [PMT2013-03196-FIR](https://nearbypermits.com/boulder/permit/PMT2013-03196-FIR/) |
| Jun 7, 2013 | Plumbing | Conversion of exisiting warehouse into brewery, canning facility, office space, and tasting room ("Sanitas Brewery"). Scope of work includes construction of a demising wall to create two units, creation of a tasting room, including an outdoor patio (on a new deck), and new bathrooms. Work also inclu | $36,450 | [PMT2013-01272-PLB](https://nearbypermits.com/boulder/permit/PMT2013-01272-PLB/) |
| Jun 7, 2013 | Mechanical (HVAC) | Conversion of exisiting warehouse into brewery, canning facility, office space, and tasting room ("Sanitas Brewery"). Scope of work includes construction of a demising wall to create two units, creation of a tasting room, including an outdoor patio (on a new deck), and new bathrooms. Work also inclu | $25,000 | [PMT2013-01272-MEC](https://nearbypermits.com/boulder/permit/PMT2013-01272-MEC/) |
| Jun 7, 2013 | Electrical | Conversion of exisiting warehouse into brewery, canning facility, office space, and tasting room ("Sanitas Brewery"). Scope of work includes construction of a demising wall to create two units, creation of a tasting room, including an outdoor patio (on a new deck), and new bathrooms. Work also inclu | $30,000 | [PMT2013-01272-ELE](https://nearbypermits.com/boulder/permit/PMT2013-01272-ELE/) |
| Jun 7, 2013 | Alteration or repair | Conversion of exisiting warehouse into brewery, canning facility, office space, and tasting room ("Sanitas Brewery"). Scope of work includes construction of a demising wall to create two units, creation of a tasting room, including an outdoor patio (on a new deck), and new bathrooms. Work also inclu | $510,000 | [PMT2013-01272](https://nearbypermits.com/boulder/permit/PMT2013-01272/) |
| May 22, 2013 | Fire systems | Fa - relocate 2 h/s and add 3 strobes and 2 h/s | $1,669 | [PMT2013-02237-FIR](https://nearbypermits.com/boulder/permit/PMT2013-02237-FIR/) |
| May 20, 2013 | Demolition | Interior non-structural demo of existing restroom partitions and fixtures in preparation for future tenant finish for brewery - see PMT2013-01272. | Not listed | [PMT2013-02215-DEM](https://nearbypermits.com/boulder/permit/PMT2013-02215-DEM/) |
| Nov 22, 2011 | Mechanical (HVAC) | Installation of gas piping only for 2 existing unit heaters adn for future RTU (to be installed through separate permit). | $4,000 | [PMT2011-05114-MEC](https://nearbypermits.com/boulder/permit/PMT2011-05114-MEC/) |
| Nov 7, 2011 | Electrical | Installation of 200 amp subpanel on existing service for #C. | $11,500 | [PMT2011-04847-ELE](https://nearbypermits.com/boulder/permit/PMT2011-04847-ELE/) |
| Feb 4, 2011 | Mechanical (HVAC) | Temporatry event -- create an A-4 sprinklered occupancy for rock climbing competition. Scope of work includes installing compliant egress stairs and ramp, installation of compliant swinging doors in framed openings of existing roller doors, installation of gen-set and associated emergency lighting,  | $2,000 | [PMT2011-00226-MEC](https://nearbypermits.com/boulder/permit/PMT2011-00226-MEC/) |
| Feb 4, 2011 | Electrical | Temporatry event -- create an A-4 sprinklered occupancy for rock climbing competition. Scope of work includes installing compliant egress stairs and ramp, installation of compliant swinging doors in framed openings of existing roller doors, installation of gen-set and associated emergency lighting,  | $2,000 | [PMT2011-00226-ELE](https://nearbypermits.com/boulder/permit/PMT2011-00226-ELE/) |
| Feb 4, 2011 | Fire systems | Temporatry event -- create an A-4 sprinklered occupancy for rock climbing competition. Scope of work includes installing compliant egress stairs and ramp, installation of compliant swinging doors in framed openings of existing roller doors, installation of gen-set and associated emergency lighting,  | $17,597 | [PMT2011-00226](https://nearbypermits.com/boulder/permit/PMT2011-00226/) |
| Feb 2, 2011 | Addition | Construction of three free-standing portable climbing walls to be used for a climbing competition -- Feb 7th through Feb 28, 2011. Tenant remodel build-out by separate permit. | $20,000 | [PMT2011-00213](https://nearbypermits.com/boulder/permit/PMT2011-00213/) |
| Jun 30, 2010 | Electrical | Installation of a ground mounted 10 kW photovoltaic array in an area southwest of the building. | $55,000 | [PMT2010-02565-ELE](https://nearbypermits.com/boulder/permit/PMT2010-02565-ELE/) |
| Jun 3, 2010 | Sign | Installation of three wall signs for Scarpa, Boulder Indoor Cycling and Sea to Summit. | $7,020 | [PMT2010-01648-SGN](https://nearbypermits.com/boulder/permit/PMT2010-01648-SGN/) |
| Dec 30, 2009 | Sign | Sign Permit - For new non-electric wall sign for "Lighthousesolar - Lumos". | $1,200 | [PMT2009-05068-SGN](https://nearbypermits.com/boulder/permit/PMT2009-05068-SGN/) |
| Sep 29, 2009 | Fire systems | Tennant Fininsh Fire Alarm For Light House | $3,000 | [PMT2009-03768-FIR](https://nearbypermits.com/boulder/permit/PMT2009-03768-FIR/) |
| Sep 1, 2009 | Plumbing | Tenant remodel to install demising wall to create warehousing space and 3,822 sf for an accessory office area. To include restrooms, associated mechanical, electrical & plumbing. | $16,400 | [PMT2009-03019-PLB](https://nearbypermits.com/boulder/permit/PMT2009-03019-PLB/) |
| Sep 1, 2009 | Mechanical (HVAC) | Tenant remodel to install demising wall to create warehousing space and 3,822 sf for an accessory office area. To include restrooms, associated mechanical, electrical & plumbing. | $26,800 | [PMT2009-03019-MEC](https://nearbypermits.com/boulder/permit/PMT2009-03019-MEC/) |
| Sep 1, 2009 | Electrical | Tenant remodel to install demising wall to create warehousing space and 3,822 sf for an accessory office area. To include restrooms, associated mechanical, electrical & plumbing. | $28,700 | [PMT2009-03019-ELE](https://nearbypermits.com/boulder/permit/PMT2009-03019-ELE/) |
| Sep 1, 2009 | Alteration or repair | Tenant remodel to install demising wall to create warehousing space and 3,822 sf for an accessory office area. To include restrooms, associated mechanical, electrical & plumbing. | $260,919 | [PMT2009-03019](https://nearbypermits.com/boulder/permit/PMT2009-03019/) |
| Aug 28, 2009 | Fire systems | Tennant Finish Sprinkler Lighthouse Solar | $6,700 | [PMT2009-03374-FIR](https://nearbypermits.com/boulder/permit/PMT2009-03374-FIR/) |
| Jun 3, 2009 | Fire systems | Tennant Finish Fire Alarm | $1,000 | [PMT2009-01779-FIR](https://nearbypermits.com/boulder/permit/PMT2009-01779-FIR/) |
| Jun 3, 2009 | Fire systems | Tennant Finish Fire Alarm | $4,500 | [PMT2009-01778-FIR](https://nearbypermits.com/boulder/permit/PMT2009-01778-FIR/) |
| May 22, 2009 | Fire systems | Tennant Finish Sprinkler Sea to Summit | $4,500 | [PMT2009-01759-FIR](https://nearbypermits.com/boulder/permit/PMT2009-01759-FIR/) |
| Apr 27, 2009 | Fire systems | Tennant Finish Fire Alarm | $5,000 | [PMT2009-01108-FIR](https://nearbypermits.com/boulder/permit/PMT2009-01108-FIR/) |
| Apr 27, 2009 | Plumbing | 14,400 sf tenant space -- tenant remodel to create warehouse storage area and to construct 2900 sf of administrative office space. Two restrooms to be removed & relocated. New 200 amp sub-panel, new RTU for office area. | $19,000 | [PMT2009-00926-PLB](https://nearbypermits.com/boulder/permit/PMT2009-00926-PLB/) |
| Apr 27, 2009 | Mechanical (HVAC) | 14,400 sf tenant space -- tenant remodel to create warehouse storage area and to construct 2900 sf of administrative office space. Two restrooms to be removed & relocated. New 200 amp sub-panel, new RTU for office area. | $20,000 | [PMT2009-00926-MEC](https://nearbypermits.com/boulder/permit/PMT2009-00926-MEC/) |
| Apr 27, 2009 | Electrical | 14,400 sf tenant space -- tenant remodel to create warehouse storage area and to construct 2900 sf of administrative office space. Two restrooms to be removed & relocated. New 200 amp sub-panel, new RTU for office area. | $42,000 | [PMT2009-00926-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00926-ELE/) |
| Apr 27, 2009 | Alteration or repair | 14,400 sf tenant space -- tenant remodel to create warehouse storage area and to construct 2900 sf of administrative office space. Two restrooms to be removed & relocated. New 200 amp sub-panel, new RTU for office area. | $190,252 | [PMT2009-00926](https://nearbypermits.com/boulder/permit/PMT2009-00926/) |
| Apr 3, 2009 | Plumbing | Warehouse expansion of 10,000 SF for existing tenant Scarpa. Includes new demising wall, loading dock door, and lighting relocating. | $3,500 | [PMT2009-00893-PLB](https://nearbypermits.com/boulder/permit/PMT2009-00893-PLB/) |
| Apr 3, 2009 | Mechanical (HVAC) | Warehouse expansion of 10,000 SF for existing tenant Scarpa. Includes new demising wall, loading dock door, and lighting relocating. | $4,700 | [PMT2009-00893-MEC](https://nearbypermits.com/boulder/permit/PMT2009-00893-MEC/) |
| Apr 3, 2009 | Electrical | Warehouse expansion of 10,000 SF for existing tenant Scarpa. Includes new demising wall, loading dock door, and lighting relocating. | $8,500 | [PMT2009-00893-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00893-ELE/) |
| Apr 3, 2009 | Alteration or repair | Warehouse expansion of 10,000 SF for existing tenant Scarpa. Includes new demising wall, loading dock door, and lighting relocating. | $45,000 | [PMT2009-00893](https://nearbypermits.com/boulder/permit/PMT2009-00893/) |
| Mar 9, 2009 | Fire systems | Tennant Finish Sprinkler For New Office Area | $4,600 | [PMT2009-00753-FIR](https://nearbypermits.com/boulder/permit/PMT2009-00753-FIR/) |
| Mar 5, 2009 | Plumbing | Revised submittal (See PMT2008-05122) - Tenant remodel for Unit B (Same as previous review for Unit D) to include mechanical, electrical, and plumbing for spec suite. | $14,000 | [PMT2009-00456-PLB](https://nearbypermits.com/boulder/permit/PMT2009-00456-PLB/) |
| Mar 5, 2009 | Mechanical (HVAC) | Revised submittal (See PMT2008-05122) - Tenant remodel for Unit B (Same as previous review for Unit D) to include mechanical, electrical, and plumbing for spec suite. | $17,000 | [PMT2009-00456-MEC](https://nearbypermits.com/boulder/permit/PMT2009-00456-MEC/) |
| Mar 5, 2009 | Electrical | Revised submittal (See PMT2008-05122) - Tenant remodel for Unit B (Same as previous review for Unit D) to include mechanical, electrical, and plumbing for spec suite. | $35,000 | [PMT2009-00456-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00456-ELE/) |
| Mar 5, 2009 | Alteration or repair | Revised submittal (See PMT2008-05122) - Tenant remodel for Unit B (Same as previous review for Unit D) to include mechanical, electrical, and plumbing for spec suite. | $135,000 | [PMT2009-00456](https://nearbypermits.com/boulder/permit/PMT2009-00456/) |
| Dec 11, 2008 | Fire systems | Tennant Finish Sprinkler Velodrome | $4,000 | [PMT2008-05359-FIR](https://nearbypermits.com/boulder/permit/PMT2008-05359-FIR/) |
| Dec 2, 2008 | Fire systems | Tennant Finish Fire Alarm Velodrome | $4,900 | [PMT2008-05223-FIR](https://nearbypermits.com/boulder/permit/PMT2008-05223-FIR/) |
| Dec 2, 2008 | Fire systems | Tennant Finish Fire Alarm | $6,500 | [PMT2008-05220-FIR](https://nearbypermits.com/boulder/permit/PMT2008-05220-FIR/) |
| Oct 10, 2008 | Fire systems | Tennant Finish Sprinkler Scarpa | $6,200 | [PMT2008-04208-FIR](https://nearbypermits.com/boulder/permit/PMT2008-04208-FIR/) |
| Oct 10, 2008 | Mechanical (HVAC) | Construction of reception area, hand railing for reduced size mezzanine area, and oval racing veladrome. No expansion of existing floor area total requested. -- Removed through LOMR 96-08-019P | Not listed | [PMT2008-02463-MEC](https://nearbypermits.com/boulder/permit/PMT2008-02463-MEC/) |
| Oct 10, 2008 | Alteration or repair | Construction of reception area, hand railing for reduced size mezzanine area, and oval racing veladrome. No expansion of existing floor area total requested. -- Removed through LOMR 96-08-019P | $18,000 | [PMT2008-02463](https://nearbypermits.com/boulder/permit/PMT2008-02463/) |
| Oct 9, 2008 | Plumbing | Tenant remodel of 19,500 on the northwest part of the building (Unit "E") for office & warehouse space for Scarpa Shoes. To include break room with sink, shower, men's & women's restrooms, addition of an RTU, new lighting fixtures., unit heaters in warehouse area. | $40,000 | [PMT2008-03855-PLB](https://nearbypermits.com/boulder/permit/PMT2008-03855-PLB/) |
| Oct 9, 2008 | Mechanical (HVAC) | Tenant remodel of 19,500 on the northwest part of the building (Unit "E") for office & warehouse space for Scarpa Shoes. To include break room with sink, shower, men's & women's restrooms, addition of an RTU, new lighting fixtures., unit heaters in warehouse area. | $39,000 | [PMT2008-03855-MEC](https://nearbypermits.com/boulder/permit/PMT2008-03855-MEC/) |
| Oct 9, 2008 | Electrical | Tenant remodel of 19,500 on the northwest part of the building (Unit "E") for office & warehouse space for Scarpa Shoes. To include break room with sink, shower, men's & women's restrooms, addition of an RTU, new lighting fixtures., unit heaters in warehouse area. | $66,100 | [PMT2008-03855-ELE](https://nearbypermits.com/boulder/permit/PMT2008-03855-ELE/) |
| Oct 9, 2008 | Alteration or repair | Tenant remodel of 19,500 on the northwest part of the building (Unit "E") for office & warehouse space for Scarpa Shoes. To include break room with sink, shower, men's & women's restrooms, addition of an RTU, new lighting fixtures., unit heaters in warehouse area. | $398,000 | [PMT2008-03855](https://nearbypermits.com/boulder/permit/PMT2008-03855/) |
| Sep 11, 2008 | Plumbing | Construction of demising wall, two restrooms, and modifications to building entry w/ ramp. Total square footage associated with this tenant space is 27,242 sf (24,265 + 2,977 of the remaining mezzanine), total building size is 128,310 sf NOTE: changes to prior incorrect scope of work description. | $16,000 | [PMT2008-02389-PLB](https://nearbypermits.com/boulder/permit/PMT2008-02389-PLB/) |
| Sep 11, 2008 | Mechanical (HVAC) | Construction of demising wall, two restrooms, and modifications to building entry w/ ramp. Total square footage associated with this tenant space is 27,242 sf (24,265 + 2,977 of the remaining mezzanine), total building size is 128,310 sf NOTE: changes to prior incorrect scope of work description. | $6,200 | [PMT2008-02389-MEC](https://nearbypermits.com/boulder/permit/PMT2008-02389-MEC/) |
| Sep 11, 2008 | Electrical | Construction of demising wall, two restrooms, and modifications to building entry w/ ramp. Total square footage associated with this tenant space is 27,242 sf (24,265 + 2,977 of the remaining mezzanine), total building size is 128,310 sf NOTE: changes to prior incorrect scope of work description. | $5,600 | [PMT2008-02389-ELE](https://nearbypermits.com/boulder/permit/PMT2008-02389-ELE/) |
| Sep 11, 2008 | Alteration or repair | Construction of demising wall, two restrooms, and modifications to building entry w/ ramp. Total square footage associated with this tenant space is 27,242 sf (24,265 + 2,977 of the remaining mezzanine), total building size is 128,310 sf NOTE: changes to prior incorrect scope of work description. | $88,700 | [PMT2008-02389](https://nearbypermits.com/boulder/permit/PMT2008-02389/) |
| Aug 15, 2008 | Electrical | Rework electric service to serve mutiple tenants. Industrial users | $18,600 | [PMT2008-03528-ELE](https://nearbypermits.com/boulder/permit/PMT2008-03528-ELE/) |
| Apr 18, 2008 | Demolition | Interior component demo for future warehouse remodel | Not listed | [PMT2008-01463-DEM](https://nearbypermits.com/boulder/permit/PMT2008-01463-DEM/) |
| Dec 15, 2006 | Fire systems | Fire Sprinkler system - Advanced Direct | $1,000 | [PMT2006-05112-FIR](https://nearbypermits.com/boulder/permit/PMT2006-05112-FIR/) |
| Feb 6, 2006 | Fence, wall or deck | 24'x45' 7 foot high chain link fence. | Not listed | [PMT2006-00440-FLD](https://nearbypermits.com/boulder/permit/PMT2006-00440-FLD/) |
| Feb 6, 2006 | Fence, wall or deck | 24'x45' 7 foot high chain link fence. | $600 | [PMT2006-00440-FEN](https://nearbypermits.com/boulder/permit/PMT2006-00440-FEN/) |
| Apr 17, 1997 | Electrical | Electrical fixtures: 109 400 W metal halides | $10,958 | [PMT1997-02201-ELE](https://nearbypermits.com/boulder/permit/PMT1997-02201-ELE/) |
| Nov 20, 1996 | Electrical | Electrical adding to service | $35,000 | [PMT1996-07748-ELE](https://nearbypermits.com/boulder/permit/PMT1996-07748-ELE/) |
| Nov 8, 1996 | Addition | Install ventilating equipment the original general permit number is 966015. | $130,500 | [PMT1996-06015](https://nearbypermits.com/boulder/permit/PMT1996-06015/) |
| Jul 9, 1996 | Plumbing | Plumbing plumbing on tenant finish | $4,110 | [PMT1996-04467-PLB](https://nearbypermits.com/boulder/permit/PMT1996-04467-PLB/) |
| Jul 9, 1996 | Electrical | Electrical electrical on tenant finish | $10,413 | [PMT1996-04466-ELE](https://nearbypermits.com/boulder/permit/PMT1996-04466-ELE/) |
| Jun 24, 1996 | Fire systems | Fire repair a fire sprinkler system | $6,120 | [PMT1996-04136-FIR](https://nearbypermits.com/boulder/permit/PMT1996-04136-FIR/) |
| May 16, 1996 | Alteration or repair | Tenant finish the original general permit number is 963217. | $38,500 | [PMT1996-03217](https://nearbypermits.com/boulder/permit/PMT1996-03217/) |
| May 7, 1996 | Mechanical (HVAC) | Mechanical 3 RTU | $13,000 | [PMT1996-02973-MEC](https://nearbypermits.com/boulder/permit/PMT1996-02973-MEC/) |
| Apr 11, 1996 | Electrical | Electrical new panels to serve new equipment | $25,000 | [PMT1996-02279-ELE](https://nearbypermits.com/boulder/permit/PMT1996-02279-ELE/) |
| Jan 10, 1996 | Electrical | Electrical electrical wiring | $18,848 | [PMT1996-00213-ELE](https://nearbypermits.com/boulder/permit/PMT1996-00213-ELE/) |
| Jan 4, 1996 | Electrical | Electrical exterior lighting | $700 | [PMT1996-00064-ELE](https://nearbypermits.com/boulder/permit/PMT1996-00064-ELE/) |
| Jun 1, 1995 | Addition | Barrel storage facility addition on south side of the original general permit | $20,000 | [PMT1995-03899](https://nearbypermits.com/boulder/permit/PMT1995-03899/) |
| May 11, 1995 | Mechanical (HVAC) | Mechanical install rtu duct | $12,807 | [PMT1995-03566-MEC](https://nearbypermits.com/boulder/permit/PMT1995-03566-MEC/) |
| May 4, 1995 | Fire systems | Fire fire sprinkler system | $9,072 | [PMT1995-03371-FIR](https://nearbypermits.com/boulder/permit/PMT1995-03371-FIR/) |
| Apr 14, 1995 | Electrical | Electrical WIRING | $15,000 | [PMT1995-02804-ELE](https://nearbypermits.com/boulder/permit/PMT1995-02804-ELE/) |
| Apr 11, 1995 | Plumbing | Plumbing install fixtures in tenant finish | $7,810 | [PMT1995-02668-PLB](https://nearbypermits.com/boulder/permit/PMT1995-02668-PLB/) |
| Apr 3, 1995 | Electrical | Electrical install 100a feed to humidifier | $2,200 | [PMT1995-02445-ELE](https://nearbypermits.com/boulder/permit/PMT1995-02445-ELE/) |
| Apr 3, 1995 | Alteration or repair | Interior remodel & 2nd story mezzanine expansion the original general permit N | Not listed | [PMT1995-02149-FLD](https://nearbypermits.com/boulder/permit/PMT1995-02149-FLD/) |
| Apr 3, 1995 | Addition | Interior remodel & 2nd story mezzanine expansion the original general permit N | $160,000 | [PMT1995-02149](https://nearbypermits.com/boulder/permit/PMT1995-02149/) |
| Jul 14, 1994 | Electrical | Electrical electrical wiring on evaporative coolers | $1,000 | [PMT1994-05184-ELE](https://nearbypermits.com/boulder/permit/PMT1994-05184-ELE/) |
| Jun 10, 1994 | Mechanical (HVAC) | Mechanical comfort cooling (evaporative coolers) | $27,115 | [PMT1994-04211-MEC](https://nearbypermits.com/boulder/permit/PMT1994-04211-MEC/) |
| Jun 6, 1993 | Alteration or repair | Tenant finish at 3450 frontier avenue. The original general permit number is 934008. | $9,000 | [PMT1993-04008](https://nearbypermits.com/boulder/permit/PMT1993-04008/) |
| Sep 23, 1992 | Electrical | Electrical service change and rewire | $26,900 | [PMT1992-03848-ELE](https://nearbypermits.com/boulder/permit/PMT1992-03848-ELE/) |
| Apr 11, 1991 | Mechanical (HVAC) | Mechanical replace hot water heater | $400 | [PMT1991-R7728-MEC](https://nearbypermits.com/boulder/permit/PMT1991-R7728-MEC/) |
| Nov 14, 1988 | Fire systems | Fire fire alarm/det sys | Not listed | [PMT1988-N2651-FIR](https://nearbypermits.com/boulder/permit/PMT1988-N2651-FIR/) |
| Oct 12, 1988 | Electrical | Electrical REMODEL | $4,000 | [PMT1988-N1753-ELE](https://nearbypermits.com/boulder/permit/PMT1988-N1753-ELE/) |
| Oct 12, 1988 | Mechanical (HVAC) | Mechanical relocate ducts | $2,500 | [PMT1988-N1746-MEC](https://nearbypermits.com/boulder/permit/PMT1988-N1746-MEC/) |
| Sep 30, 1988 | Alteration or repair | Remodel/alts. The original general permit number is n1482. | $35,000 | [PMT1988-N1482](https://nearbypermits.com/boulder/permit/PMT1988-N1482/) |

## More on this street

Other addresses on Frontier Ave with permits, nearest house number first:

- [2540 Frontier Ave](https://nearbypermits.com/boulder/address/2540-frontier-ave/): newest permit Mar 27, 2026
- [2530 Frontier Ave](https://nearbypermits.com/boulder/address/2530-frontier-ave/): newest permit Aug 18, 2025

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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 12:37 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 131 permits at this address: https://nearbypermits.com/boulder/address/3550-frontier-ave/