# Building permits at 4760 Walnut St, Boulder, CO 50 permits on record here. The newest, Nov 19, 2024: 1) New double door in an exisitng opening between rooms 122 and 124. 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 | |---|---|---|---|---| | Nov 19, 2024 | Alteration or repair | 1) New double door in an exisitng opening between rooms 122 and 124. 2) Construction of a new wall and door to create ante room 121. 3) In room 122 three exisitng exterior doors are to be abandonded in place and furred over. 4) Selected areas of new floor and wall finishes. | $86,865 | [BLD-NRE2024-00114](https://nearbypermits.com/boulder/permit/BLD-NRE2024-00114/) | | Sep 21, 2021 | Fire systems | Update with new addressable panel and radio in common areas. | $9,850 | [FIR2021-00308](https://nearbypermits.com/boulder/permit/FIR2021-00308/) | | May 31, 2018 | Alteration or repair | Suite 105: Permit for the installation of a new opening, door, steps and landing inside an existing tenant suite. Scope includes some updates to the existing accessible bathrooms. | $8,879 | [PMT2018-01113](https://nearbypermits.com/boulder/permit/PMT2018-01113/) | | Nov 2, 2017 | Mechanical (HVAC) | Installation of (2) replacement, 17.1 SEER, 3.0 ton RTU's, like for like in same loction. Installation per manufacturer's specifications. No structural work proposed or approved within the scope of this permit. | $17,212 | [PMT2017-03037-MEC](https://nearbypermits.com/boulder/permit/PMT2017-03037-MEC/) | | Aug 10, 2017 | Electrical | New site lighting and parking lot lighting for Tierra Business Center. On same plan set and associated with PMT2017-00771, PMT2017-02753, PMT2017-02754, PMT2017-02754, PMT2017-02755, PMT2017-02756. See also ADR2017-00097. | $9,466 | [PMT2017-02756-ELE](https://nearbypermits.com/boulder/permit/PMT2017-02756-ELE/) | | Jul 27, 2015 | Mechanical (HVAC) | Replacement of seven rooftop units, 3-5 ton, 17 SEER. Like for like replacement in size and location. | $35,000 | [PMT2015-03123-MEC](https://nearbypermits.com/boulder/permit/PMT2015-03123-MEC/) | | Jul 2, 2013 | Demolition | Demolition of cubicles and non-loadbearing walls in an 800 sf office space. No occupancy allowed without separate tenant finish building permit. | Not listed | [PMT2011-05456-DEM](https://nearbypermits.com/boulder/permit/PMT2011-05456-DEM/) | | Feb 22, 2013 | Fire systems | Fa - new radio | $495 | [PMT2013-00780-FIR](https://nearbypermits.com/boulder/permit/PMT2013-00780-FIR/) | | Jan 16, 2013 | Plumbing | Interior, non-structural demolition and remodel of exsiting tenent space. Scope of demolition work includes approximately 300 SF of existing walls, and associated plumbing fixtures. Scope of remodel work includes 1,021SF of reconstructed walls and associated plumbing, electrical, and mechanical. Res | $5,000 | [PMT2012-05774-PLB](https://nearbypermits.com/boulder/permit/PMT2012-05774-PLB/) | | Jan 16, 2013 | Mechanical (HVAC) | Interior, non-structural demolition and remodel of exsiting tenent space. Scope of demolition work includes approximately 300 SF of existing walls, and associated plumbing fixtures. Scope of remodel work includes 1,021SF of reconstructed walls and associated plumbing, electrical, and mechanical. Res | $2,000 | [PMT2012-05774-MEC](https://nearbypermits.com/boulder/permit/PMT2012-05774-MEC/) | | Jan 16, 2013 | Electrical | Interior, non-structural demolition and remodel of exsiting tenent space. Scope of demolition work includes approximately 300 SF of existing walls, and associated plumbing fixtures. Scope of remodel work includes 1,021SF of reconstructed walls and associated plumbing, electrical, and mechanical. Res | $9,500 | [PMT2012-05774-ELE](https://nearbypermits.com/boulder/permit/PMT2012-05774-ELE/) | | Jan 16, 2013 | Alteration or repair | Interior, non-structural demolition and remodel of exsiting tenent space. Scope of demolition work includes approximately 300 SF of existing walls, and associated plumbing fixtures. Scope of remodel work includes 1,021SF of reconstructed walls and associated plumbing, electrical, and mechanical. Res | $105,500 | [PMT2012-05774](https://nearbypermits.com/boulder/permit/PMT2012-05774/) | | Jan 11, 2013 | Fire systems | Fs - tf - add 5 for new dimizing wall, relocate 2 for new wall layout | $800 | [PMT2013-00141-FIR](https://nearbypermits.com/boulder/permit/PMT2013-00141-FIR/) | | Sep 30, 2011 | Mechanical (HVAC) | Replace rooftop heating and cooling unit (RTU 12) with 90,000 btu cooling/ 180,000 btu heating, 11.1 EER unit. | $6,000 | [PMT2011-04203-MEC](https://nearbypermits.com/boulder/permit/PMT2011-04203-MEC/) | | Aug 25, 2010 | Fire systems | Scope of Work Letter American Solar Energy Society Suite 160 | $675 | [PMT2010-03447-FIR](https://nearbypermits.com/boulder/permit/PMT2010-03447-FIR/) | | Aug 12, 2010 | Plumbing | Tenant remodel of existing office building to reconfigure first floor and remodel second floor. No new light fixtures. | $7,500 | [PMT2010-03250-PLB](https://nearbypermits.com/boulder/permit/PMT2010-03250-PLB/) | | Aug 12, 2010 | Electrical | Tenant remodel of existing office building to reconfigure first floor and remodel second floor. No new light fixtures. | $10,500 | [PMT2010-03250-ELE](https://nearbypermits.com/boulder/permit/PMT2010-03250-ELE/) | | Aug 12, 2010 | Alteration or repair | Tenant remodel of existing office building to reconfigure first floor and remodel second floor. No new light fixtures. | $152,634 | [PMT2010-03250](https://nearbypermits.com/boulder/permit/PMT2010-03250/) | | May 11, 2010 | Demolition | Interior non-structural demolition of approximately 450 sf. | Not listed | [PMT2010-01789-DEM](https://nearbypermits.com/boulder/permit/PMT2010-01789-DEM/) | | Mar 30, 2010 | Roofing | Overlay of existing commercial roof. Versico 60-mil TPO, 27 squares, flat roof. | $9,220 | [PMT2010-01066-RFG](https://nearbypermits.com/boulder/permit/PMT2010-01066-RFG/) | | Sep 18, 2008 | Fire systems | New Dialer Install to Monitor Existing Sprinkler System | $450 | [PMT2008-04103-FIR](https://nearbypermits.com/boulder/permit/PMT2008-04103-FIR/) | | Nov 27, 2006 | Fire systems | Fire Sprinkler System - Santias | $500 | [PMT2006-04636-FIR](https://nearbypermits.com/boulder/permit/PMT2006-04636-FIR/) | | Nov 14, 2006 | Mechanical (HVAC) | Replace two rooftop HVAC units. | $17,000 | [PMT2006-04889-MEC](https://nearbypermits.com/boulder/permit/PMT2006-04889-MEC/) | | Oct 20, 2006 | Electrical | Tenant remodel of existing office space. 18,000SF total Three non bearing partition create new office space. | $3,000 | [PMT2006-04536-ELE](https://nearbypermits.com/boulder/permit/PMT2006-04536-ELE/) | | Oct 20, 2006 | Alteration or repair | Tenant remodel of existing office space. 18,000SF total Three non bearing partition create new office space. | $25,000 | [PMT2006-04536](https://nearbypermits.com/boulder/permit/PMT2006-04536/) | | Mar 3, 2006 | Mechanical (HVAC) | Replace rooftop HVAC. 60,000BTU | $7,600 | [PMT2006-00746-MEC](https://nearbypermits.com/boulder/permit/PMT2006-00746-MEC/) | | Jul 21, 2005 | Plumbing | Interior tenant remodel of existing office to reconfigure one space into two tenant spaces. Relocation of one sink, and additon of electrical outlets/switches. | $1,000 | [PMT2005-02472-PLB](https://nearbypermits.com/boulder/permit/PMT2005-02472-PLB/) | | Jul 21, 2005 | Electrical | Interior tenant remodel of existing office to reconfigure one space into two tenant spaces. Relocation of one sink, and additon of electrical outlets/switches. | $2,000 | [PMT2005-02472-ELE](https://nearbypermits.com/boulder/permit/PMT2005-02472-ELE/) | | Jul 21, 2005 | Alteration or repair | Interior tenant remodel of existing office to reconfigure one space into two tenant spaces. Relocation of one sink, and additon of electrical outlets/switches. | $15,000 | [PMT2005-02472](https://nearbypermits.com/boulder/permit/PMT2005-02472/) | | May 20, 2005 | Plumbing | Tenant remodel. Remove non bearing walls. Add new door passages and Remove toilet and lav and replace with kitchen sink. 6800 SF | $5,000 | [PMT2005-01863-PLB](https://nearbypermits.com/boulder/permit/PMT2005-01863-PLB/) | | May 20, 2005 | Mechanical (HVAC) | Tenant remodel. Remove non bearing walls. Add new door passages and Remove toilet and lav and replace with kitchen sink. 6800 SF | $20,000 | [PMT2005-01863-MEC](https://nearbypermits.com/boulder/permit/PMT2005-01863-MEC/) | | May 20, 2005 | Electrical | Tenant remodel. Remove non bearing walls. Add new door passages and Remove toilet and lav and replace with kitchen sink. 6800 SF | $15,000 | [PMT2005-01863-ELE](https://nearbypermits.com/boulder/permit/PMT2005-01863-ELE/) | | May 20, 2005 | Alteration or repair | Tenant remodel. Remove non bearing walls. Add new door passages and Remove toilet and lav and replace with kitchen sink. 6800 SF | $70,000 | [PMT2005-01863](https://nearbypermits.com/boulder/permit/PMT2005-01863/) | | May 28, 2004 | Mechanical (HVAC) | Replace existing rooftop HVAC system, same size, same location. | $5,600 | [PMT2004-02052-MEC](https://nearbypermits.com/boulder/permit/PMT2004-02052-MEC/) | | Apr 3, 2002 | Fire systems | Fire Sprinkler System - Madison House (106) | $200 | [PMT2002-01205-FIR](https://nearbypermits.com/boulder/permit/PMT2002-01205-FIR/) | | Mar 20, 2002 | Electrical | Tenant remodel to install new offices. | $1,000 | [PMT2002-01009-ELE](https://nearbypermits.com/boulder/permit/PMT2002-01009-ELE/) | | Mar 20, 2002 | Alteration or repair | Tenant remodel to install new offices. | $10,000 | [PMT2002-01009](https://nearbypermits.com/boulder/permit/PMT2002-01009/) | | Mar 14, 2002 | Electrical | Tenant remodel to demo. interior walls and create new office. | $200 | [PMT2002-00930-ELE](https://nearbypermits.com/boulder/permit/PMT2002-00930-ELE/) | | Mar 14, 2002 | Alteration or repair | Tenant remodel to demo. interior walls and create new office. | $2,000 | [PMT2002-00930](https://nearbypermits.com/boulder/permit/PMT2002-00930/) | | Jun 5, 2001 | Electrical | Electrical permit to install cubical furniture and wiring for HVAC system | $600 | [PMT2001-02312-ELE](https://nearbypermits.com/boulder/permit/PMT2001-02312-ELE/) | | May 25, 2001 | Plumbing | Tenant remodel to add additional bathroom. | $2,000 | [PMT2001-01740-PLB](https://nearbypermits.com/boulder/permit/PMT2001-01740-PLB/) | | May 25, 2001 | Mechanical (HVAC) | Tenant remodel to add additional bathroom. | $400 | [PMT2001-01740-MEC](https://nearbypermits.com/boulder/permit/PMT2001-01740-MEC/) | | May 25, 2001 | Electrical | Tenant remodel to add additional bathroom. | $500 | [PMT2001-01740-ELE](https://nearbypermits.com/boulder/permit/PMT2001-01740-ELE/) | | May 25, 2001 | Alteration or repair | Tenant remodel to add additional bathroom. | $3,000 | [PMT2001-01740](https://nearbypermits.com/boulder/permit/PMT2001-01740/) | | Jul 13, 2000 | Alteration or repair | Construction of non-rated, non-structural partition wall | $2,500 | [PMT2000-02915](https://nearbypermits.com/boulder/permit/PMT2000-02915/) | | Jun 28, 1999 | Demolition | Permit approved for 4760 Walnut St. #106. Demolition and remodel. | $5,000 | [PMT1999-05322](https://nearbypermits.com/boulder/permit/PMT1999-05322/) | | Oct 26, 1998 | Elevator | Elevator at 4770 Walnut St. | $132,240 | [PMT1998-07265](https://nearbypermits.com/boulder/permit/PMT1998-07265/) | | Jul 18, 1989 | Fire systems | Fire fire sprinkler sys | Not listed | [PMT1989-P3979-FIR](https://nearbypermits.com/boulder/permit/PMT1989-P3979-FIR/) | | Dec 13, 1988 | Fire systems | Fire fire alarm | Not listed | [PMT1988-N7870-FIR](https://nearbypermits.com/boulder/permit/PMT1988-N7870-FIR/) | | Jun 23, 1988 | Fire systems | Fire repair sprinkler system | Not listed | [PMT1988-M9195-FIR](https://nearbypermits.com/boulder/permit/PMT1988-M9195-FIR/) | ## More on this street Other addresses on Walnut St with permits, nearest house number first: - [4765 Walnut St](https://nearbypermits.com/boulder/address/4765-walnut-st/): newest permit Sep 24, 2025 - [4775 Walnut St](https://nearbypermits.com/boulder/address/4775-walnut-st/): newest permit Mar 17, 2026 - [4745 Walnut St](https://nearbypermits.com/boulder/address/4745-walnut-st/): newest permit Aug 11, 2025 - [4730 Walnut St](https://nearbypermits.com/boulder/address/4730-walnut-st/): newest permit May 21, 2026 - [3750 Walnut St](https://nearbypermits.com/boulder/address/3750-walnut-st/): newest permit Dec 20, 2024 - [3720 Walnut St](https://nearbypermits.com/boulder/address/3720-walnut-st/): newest permit Sep 15, 2026 - [3333 Walnut St](https://nearbypermits.com/boulder/address/3333-walnut-st/): newest permit Nov 17, 2025 - [3300 Walnut St](https://nearbypermits.com/boulder/address/3300-walnut-st/): newest permit Jun 2, 2025 - [3250 Walnut St](https://nearbypermits.com/boulder/address/3250-walnut-st/): newest permit May 16, 2025 - [3201 Walnut St](https://nearbypermits.com/boulder/address/3201-walnut-st/): newest permit Nov 18, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 18:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 50 permits at this address: https://nearbypermits.com/boulder/address/4760-walnut-st/