# Building permits at 920 Mapleton Ave, Boulder, CO

One permit here in the last two years. The newest, Sep 22, 2025: Rheem heat pump (454b) & air handler. 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 22, 2025 | Mechanical (HVAC) | Rheem heat pump (454b) & air handler. ATTIC *See HIS2025-00258 approval* All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assigned inspector on the da | $7,636 | [MEC2025-01546](https://nearbypermits.com/boulder/permit/MEC2025-01546/) |

## More on this street

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

- [847 Mapleton Ave](https://nearbypermits.com/boulder/address/847-mapleton-ave/): newest permit Aug 27, 2025
- [1014 Mapleton Ave](https://nearbypermits.com/boulder/address/1014-mapleton-ave/): newest permit Jul 8, 2025
- [1035 Mapleton Ave](https://nearbypermits.com/boulder/address/1035-mapleton-ave/): newest permit Oct 1, 2025
- [1039 Mapleton Ave](https://nearbypermits.com/boulder/address/1039-mapleton-ave/): newest permit Mar 13, 2026
- [720 Mapleton Ave](https://nearbypermits.com/boulder/address/720-mapleton-ave/): newest permit Apr 9, 2025
- [712 Mapleton Ave](https://nearbypermits.com/boulder/address/712-mapleton-ave/): newest permit Mar 9, 2026
- [707 Mapleton Ave](https://nearbypermits.com/boulder/address/707-mapleton-ave/): newest permit Mar 12, 2025
- [1133 Mapleton Ave](https://nearbypermits.com/boulder/address/1133-mapleton-ave/): newest permit Sep 29, 2025
- [704 Mapleton Ave](https://nearbypermits.com/boulder/address/704-mapleton-ave/): newest permit Jan 7, 2026
- [642 Mapleton Ave](https://nearbypermits.com/boulder/address/642-mapleton-ave/): newest permit May 19, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 15:35 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/920-mapleton-ave/