# Building permits at 642 Concord Ave, Boulder, CO 21 permits on record here. The newest, May 23, 2025: LAC attached. 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 | |---|---|---|---|---| | May 23, 2025 | Mechanical (HVAC) | LAC attached. x2 New Mitsubishi 2:1 heat pumps. 1.) 30,000 BTU/cooling capacity, 18 SEER, 28,600 high heat, 10 HSPF. 2.) 20,000 BTU/cooling capacity, 17 SEER, 22,000 high heat, 10 HSPF. New electrical circuit for condenser. Remove 200 amp breaker disconnect and replace with 200 amp 20/40 outdoor cir | $20,347 | [MEC2025-00820](https://nearbypermits.com/boulder/permit/MEC2025-00820/) | | Oct 25, 2023 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* Install new mini split system w/ electrical connection - 1-1 system: Condenser & Head - 18,000 BTU | $6,896 | [MEC2023-01602](https://nearbypermits.com/boulder/permit/MEC2023-01602/) | | Aug 7, 2023 | Fence, wall or deck | Replace two single-car doors with one double-car garage door and repaint building to match existing colors. This was approved in Landmarks Alteration Certificate HIS2020-00199 on June 5, 2023 | $10,000 | [BLD-ACC2023-00060](https://nearbypermits.com/boulder/permit/BLD-ACC2023-00060/) | | Oct 7, 2022 | Roofing | Total tear-off & reroof of SFD, 32 squares of dimensional shingles on a pitch represented as 8/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as tested in accordance w | $13,919 | [RFG2022-00922](https://nearbypermits.com/boulder/permit/RFG2022-00922/) | | Jul 8, 2021 | Electrical | 7.848kWdc - Grid-Tie Photovoltaic System, Flush-Mounted, with a battery backup system | $22,520 | [ELE2021-00884](https://nearbypermits.com/boulder/permit/ELE2021-00884/) | | Jan 15, 2014 | Fence, wall or deck | Construction of 6' high cedar privacy fence on west property line and 6' high fence along rear property line to have 2' vertical lattice. | $10,000 | [PMT2014-00212-FEN](https://nearbypermits.com/boulder/permit/PMT2014-00212-FEN/) | | May 10, 2011 | Fence, wall or deck | Reconstruction of portion of fence at east side of rear yard and move north face of west fence 6-feet forward as detailed and approved through HIS2011-00079. | $3,152 | [PMT2011-01853-FEN](https://nearbypermits.com/boulder/permit/PMT2011-01853-FEN/) | | Jan 12, 2010 | Plumbing | Basement Finish - For 750 sf to create two bedrooms, rec room, and one new bathroom (ex. rough-ins). Includes electrical, mechanical, and plumbing. | $2,000 | [PMT2010-00111-PLB](https://nearbypermits.com/boulder/permit/PMT2010-00111-PLB/) | | Jan 12, 2010 | Mechanical (HVAC) | Basement Finish - For 750 sf to create two bedrooms, rec room, and one new bathroom (ex. rough-ins). Includes electrical, mechanical, and plumbing. | $1,000 | [PMT2010-00111-MEC](https://nearbypermits.com/boulder/permit/PMT2010-00111-MEC/) | | Jan 12, 2010 | Electrical | Basement Finish - For 750 sf to create two bedrooms, rec room, and one new bathroom (ex. rough-ins). Includes electrical, mechanical, and plumbing. | $3,000 | [PMT2010-00111-ELE](https://nearbypermits.com/boulder/permit/PMT2010-00111-ELE/) | | Jan 12, 2010 | Alteration or repair | Basement Finish - For 750 sf to create two bedrooms, rec room, and one new bathroom (ex. rough-ins). Includes electrical, mechanical, and plumbing. | $59,370 | [PMT2010-00111](https://nearbypermits.com/boulder/permit/PMT2010-00111/) | | Jun 4, 2008 | Mechanical (HVAC) | New ac | $2,303 | [PMT2008-02241-MEC](https://nearbypermits.com/boulder/permit/PMT2008-02241-MEC/) | | Feb 9, 2005 | Plumbing | Addition and remodel. | Not listed | [PMT2004-04621-PLB](https://nearbypermits.com/boulder/permit/PMT2004-04621-PLB/) | | Feb 9, 2005 | Mechanical (HVAC) | Addition and remodel. | $5,000 | [PMT2004-04621-MEC](https://nearbypermits.com/boulder/permit/PMT2004-04621-MEC/) | | Feb 9, 2005 | Electrical | Addition and remodel. | Not listed | [PMT2004-04621-ELE](https://nearbypermits.com/boulder/permit/PMT2004-04621-ELE/) | | Feb 9, 2005 | Addition | Addition and remodel. | $334,279 | [PMT2004-04621](https://nearbypermits.com/boulder/permit/PMT2004-04621/) | | May 21, 2004 | Plumbing | New 601 square foot 2 car detached garage with storage platform above, with one hose bib. See HIS 2003-00113 for Landmarks approval. Includes replacing electrical service with new 200 amp panel on garage, and undergrounding to house. | $1,500 | [PMT2004-01359-PLB](https://nearbypermits.com/boulder/permit/PMT2004-01359-PLB/) | | May 21, 2004 | Electrical | New 601 square foot 2 car detached garage with storage platform above, with one hose bib. See HIS 2003-00113 for Landmarks approval. Includes replacing electrical service with new 200 amp panel on garage, and undergrounding to house. | $3,500 | [PMT2004-01359-ELE](https://nearbypermits.com/boulder/permit/PMT2004-01359-ELE/) | | May 21, 2004 | New building | New 601 square foot 2 car detached garage with storage platform above, with one hose bib. See HIS 2003-00113 for Landmarks approval. Includes replacing electrical service with new 200 amp panel on garage, and undergrounding to house. | $16,798 | [PMT2004-01359](https://nearbypermits.com/boulder/permit/PMT2004-01359/) | | Nov 6, 2003 | Roofing | Remove existing shingles and replace with 3-tab shingles, color to match existing (grey/white) | $2,600 | [PMT2003-04812-RFG](https://nearbypermits.com/boulder/permit/PMT2003-04812-RFG/) | | Aug 22, 1990 | Fence, wall or deck | Fence seven foot cedar fence | $600 | [PMT1990-R2554-FEN](https://nearbypermits.com/boulder/permit/PMT1990-R2554-FEN/) | ## More on this street Other addresses on Concord Ave with permits, nearest house number first: - [653 Concord Ave](https://nearbypermits.com/boulder/address/653-concord-ave/): newest permit Jun 4, 2025 - [663 Concord Ave](https://nearbypermits.com/boulder/address/663-concord-ave/): newest permit Jul 8, 2025 - [721 Concord Ave](https://nearbypermits.com/boulder/address/721-concord-ave/): newest permit Aug 22, 2025 - [520 Concord Ave](https://nearbypermits.com/boulder/address/520-concord-ave/): newest permit Mar 28, 2025 - [519 Concord Ave](https://nearbypermits.com/boulder/address/519-concord-ave/): newest permit Nov 18, 2025 - [824 Concord Ave](https://nearbypermits.com/boulder/address/824-concord-ave/): newest permit Apr 13, 2026 - [429 Concord Ave](https://nearbypermits.com/boulder/address/429-concord-ave/): newest permit Jul 28, 2025 - [424 Concord Ave](https://nearbypermits.com/boulder/address/424-concord-ave/): newest permit Mar 26, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 22:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 21 permits at this address: https://nearbypermits.com/boulder/address/642-concord-ave/