# Building permits at 3924 15th St, Boulder, CO

One permit here in the last two years. The newest, Sep 18: Installation of new Mini-Split system with two outdoor Heat Pump units and five indoor heads. 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 |
|---|---|---|---|---|
| Sep 18, 2026 | Mechanical (HVAC) | Installation of new Mini-Split system with two outdoor Heat Pump units and five indoor heads. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please prov | $11,088 | [MEC2026-01696](https://nearbypermits.com/boulder/permit/MEC2026-01696/) |

## More on this street

Other addresses on 15th St with permits, nearest house number first:

- [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
- [3966 15th St](https://nearbypermits.com/boulder/address/3966-15th-st/): newest permit Mar 26, 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

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 14:26 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/3924-15th-st/