# Building permits at 3966 15th St, Boulder, CO 12 permits on record here. The newest, Mar 26: VOID- Inspections not completed within 180 days install 80,000 BTU 80% furnace install 3-ton 15 SEER a/c like. 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 | |---|---|---|---|---| | Mar 26, 2026 | Mechanical (HVAC) | VOID- Inspections not completed within 180 days install 80,000 BTU 80% furnace install 3-ton 15 SEER a/c like for like replacement PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitat | $11,965 | [MEC2026-00446](https://nearbypermits.com/boulder/permit/MEC2026-00446/) | | Aug 3, 2016 | Roofing | Partial tear-off and reroof with asphalt shingles. 10 squares. Contractor indicates a roof pitch of 6/12 | $3,500 | [PMT2016-03545-RFG](https://nearbypermits.com/boulder/permit/PMT2016-03545-RFG/) | | Mar 5, 2007 | Mechanical (HVAC) | Replacement Forced Air Furnace | $2,478 | [PMT2007-20066-MEC](https://nearbypermits.com/boulder/permit/PMT2007-20066-MEC/) | | Jul 6, 2005 | Mechanical (HVAC) | Additions to single-family residence including 285 s.f. office/study over existing garage and 448 s.f. covered porch. | $3,000 | [PMT2005-02180-MEC](https://nearbypermits.com/boulder/permit/PMT2005-02180-MEC/) | | Jul 6, 2005 | Electrical | Additions to single-family residence including 285 s.f. office/study over existing garage and 448 s.f. covered porch. | $2,000 | [PMT2005-02180-ELE](https://nearbypermits.com/boulder/permit/PMT2005-02180-ELE/) | | Jul 6, 2005 | Addition | Additions to single-family residence including 285 s.f. office/study over existing garage and 448 s.f. covered porch. | $43,389 | [PMT2005-02180](https://nearbypermits.com/boulder/permit/PMT2005-02180/) | | Nov 21, 2003 | New building | Construction of new 12 X 16 storage shed. | $9,368 | [PMT2003-05025](https://nearbypermits.com/boulder/permit/PMT2003-05025/) | | Jun 23, 2003 | Mechanical (HVAC) | New 2 1/2 ton 13 SEER comfort cooling. | $2,564 | [PMT2003-02237-MEC](https://nearbypermits.com/boulder/permit/PMT2003-02237-MEC/) | | Jun 23, 2003 | Electrical | New 2 1/2 ton 13 SEER comfort cooling. | $250 | [PMT2003-02237-ELE](https://nearbypermits.com/boulder/permit/PMT2003-02237-ELE/) | | Apr 21, 1988 | Fence, wall or deck | Fence 6 foot wood fence | $380 | [PMT1988-M7702-FEN](https://nearbypermits.com/boulder/permit/PMT1988-M7702-FEN/) | | Feb 19, 1988 | New building | 1 Dw un. The original general permit number is m6098. | $58,000 | [PMT1988-M6098](https://nearbypermits.com/boulder/permit/PMT1988-M6098/) | | Feb 5, 1988 | Electrical | Electrical temp const power | Not listed | [PMT1988-M6372-ELE](https://nearbypermits.com/boulder/permit/PMT1988-M6372-ELE/) | ## More on this street Other addresses on 15th St with permits, nearest house number first: - [3924 15th St](https://nearbypermits.com/boulder/address/3924-15th-st/): newest permit Sep 18, 2026 - [3919 15th St](https://nearbypermits.com/boulder/address/3919-15th-st/): newest permit Aug 22, 2025 - [3889 15th St](https://nearbypermits.com/boulder/address/3889-15th-st/): newest permit Jun 10, 2026 - [3879 15th St](https://nearbypermits.com/boulder/address/3879-15th-st/): newest permit May 7, 2026 - [3875 15th St](https://nearbypermits.com/boulder/address/3875-15th-st/): newest permit Jan 29, 2025 - [4135 15th St](https://nearbypermits.com/boulder/address/4135-15th-st/): newest permit Mar 6, 2026 - [4144 15th St](https://nearbypermits.com/boulder/address/4144-15th-st/): newest permit Sep 5, 2025 - [4176 15th St](https://nearbypermits.com/boulder/address/4176-15th-st/): newest permit Jan 14, 2026 - [3390 15th St](https://nearbypermits.com/boulder/address/3390-15th-st/): newest permit Jun 24, 2026 - [3370 15th St](https://nearbypermits.com/boulder/address/3370-15th-st/): newest permit Jul 23, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 19:10 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 12 permits at this address: https://nearbypermits.com/boulder/address/3966-15th-st/