# Building permits at 457 Maxwell Ave 2, Boulder, CO

One permit here in the last two years. The newest, Dec 9, 2025: To replace existing gas wall furnace with new like for like replacement. 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 9, 2025 | Mechanical (HVAC) | To replace existing gas wall furnace with new 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 facilitate the inspection process, please provide photographic evid | $8,831 | [MEC2025-02197](https://nearbypermits.com/boulder/permit/MEC2025-02197/) |

## More on this street

Other addresses on Maxwell Ave with permits, nearest house number first:

- [435 Maxwell Ave](https://nearbypermits.com/boulder/address/435-maxwell-ave/): newest permit Apr 23, 2025
- [430 Maxwell Ave](https://nearbypermits.com/boulder/address/430-maxwell-ave/): newest permit Apr 11, 2025
- [429 Maxwell Ave](https://nearbypermits.com/boulder/address/429-maxwell-ave/): newest permit May 13, 2026
- [415 Maxwell Ave](https://nearbypermits.com/boulder/address/415-maxwell-ave/): newest permit May 12, 2026
- [510 Maxwell Ave](https://nearbypermits.com/boulder/address/510-maxwell-ave/): newest permit Jun 9, 2026
- [516 Maxwell Ave](https://nearbypermits.com/boulder/address/516-maxwell-ave/): newest permit Jun 11, 2026
- [527 Maxwell Ave](https://nearbypermits.com/boulder/address/527-maxwell-ave/): newest permit Apr 11, 2025
- [536 Maxwell Ave](https://nearbypermits.com/boulder/address/536-maxwell-ave/): newest permit Apr 17, 2025
- [541 Maxwell Ave](https://nearbypermits.com/boulder/address/541-maxwell-ave/): newest permit Apr 11, 2025
- [611 Maxwell Ave](https://nearbypermits.com/boulder/address/611-maxwell-ave/): newest permit Feb 18, 2026

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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 00:07 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/457-maxwell-ave-2/