# Building permits at 907 12th St, Boulder, CO 10 permits on record here. The newest, Dec 4, 2025: AFTER-THE-FACT PERMIT SUBMISSION for a door in the garage and a supplemental heat from a mini split. 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 | |---|---|---|---|---| | Dec 4, 2025 | Alteration or repair | AFTER-THE-FACT PERMIT SUBMISSION for a door in the garage and a supplemental heat from a mini split. Individual landmark - needs LAC approval for exterior improvements. Minisplit to be removed from scope and space to be returned to being unconditioned. New electrical feed to be capped/terminated. As | $2,000 | [BLD-SFD2025-00398](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00398/) | | Mar 26, 2025 | Electrical | Void - mini-split to be removed - Power to 20A/240V and 20A/120V mini-splits | $1,200 | [ELE2025-00216](https://nearbypermits.com/boulder/permit/ELE2025-00216/) | | Jan 19, 2015 | Mechanical (HVAC) | Replacement Water Heater | $1,267 | [PMT2015-20018-MEC](https://nearbypermits.com/boulder/permit/PMT2015-20018-MEC/) | | Jul 17, 2012 | Alteration or repair | Repairs to an existing stone arch on an individually landmarked structure. | $20,000 | [PMT2012-03090](https://nearbypermits.com/boulder/permit/PMT2012-03090/) | | Feb 27, 2009 | Electrical | Exterior repairs & rehabilitation to structure -- to include tear off and re-roof of shingles, new wrought iron gate at side yard porch, downspouts & gutters, installation of new door at rear enclosed porch, two new exterior light fixtures, and one replacement light fixture. See HIS2008-00290 for La | $500 | [PMT2009-00610-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00610-ELE/) | | Feb 27, 2009 | Alteration or repair | Exterior repairs & rehabilitation to structure -- to include tear off and re-roof of shingles, new wrought iron gate at side yard porch, downspouts & gutters, installation of new door at rear enclosed porch, two new exterior light fixtures, and one replacement light fixture. See HIS2008-00290 for La | $4,500 | [PMT2009-00610](https://nearbypermits.com/boulder/permit/PMT2009-00610/) | | Feb 5, 2009 | Electrical | Electrical service change to 200 amps. On rear of house. | Not listed | [PMT2009-00385-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00385-ELE/) | | Jan 15, 2009 | Plumbing | Addition of bathroom on third story in existing space. Fill in existing door, new opening. | $2,000 | [PMT2009-00157-PLB](https://nearbypermits.com/boulder/permit/PMT2009-00157-PLB/) | | Jan 15, 2009 | Electrical | Addition of bathroom on third story in existing space. Fill in existing door, new opening. | $800 | [PMT2009-00157-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00157-ELE/) | | Jan 15, 2009 | Alteration or repair | Addition of bathroom on third story in existing space. Fill in existing door, new opening. | $4,300 | [PMT2009-00157](https://nearbypermits.com/boulder/permit/PMT2009-00157/) | ## More on this street Other addresses on 12th St with permits, nearest house number first: - [916 12th St](https://nearbypermits.com/boulder/address/916-12th-st/): newest permit May 16, 2025 - [891 12th St](https://nearbypermits.com/boulder/address/891-12th-st/): newest permit Oct 8, 2025 - [955 12th St](https://nearbypermits.com/boulder/address/955-12th-st/): newest permit Sep 28, 2026 - [845 12th St](https://nearbypermits.com/boulder/address/845-12th-st/): newest permit Oct 13, 2025 - [840 12th St](https://nearbypermits.com/boulder/address/840-12th-st/): newest permit Sep 29, 2025 - [830 12th St](https://nearbypermits.com/boulder/address/830-12th-st/): newest permit Jan 20, 2026 - [820 12th St](https://nearbypermits.com/boulder/address/820-12th-st/): newest permit May 29, 2025 - [1045 12th St](https://nearbypermits.com/boulder/address/1045-12th-st/): newest permit May 27, 2025 - [735 12th St](https://nearbypermits.com/boulder/address/735-12th-st/): newest permit Oct 18, 2024 - [728 12th St](https://nearbypermits.com/boulder/address/728-12th-st/): newest permit Aug 8, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 08:28 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 10 permits at this address: https://nearbypermits.com/boulder/address/907-12th-st/