# Building permits at 4135 15th St, Boulder, CO

One permit here in the last two years. The newest, Mar 6: Install 80,000 Btu's Furnace Install 3 ton AC Modelco Electric to do furnace & AC Hookups. 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 6, 2026 | Mechanical (HVAC) | Install 80,000 Btu's Furnace Install 3 ton AC Modelco Electric to do furnace & AC Hookups, 2 GFCi's 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, pleas | $14,868 | [MEC2026-00258](https://nearbypermits.com/boulder/permit/MEC2026-00258/) |

## More on this street

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

- [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
- [3966 15th St](https://nearbypermits.com/boulder/address/3966-15th-st/): newest permit Mar 26, 2026
- [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
- [4625 15th St C](https://nearbypermits.com/boulder/address/4625-15th-st-c/): newest permit Jul 23, 2025
- [4640 15th St A](https://nearbypermits.com/boulder/address/4640-15th-st-a/): newest permit Apr 15, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 21:28 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/4135-15th-st/