# Building permits at 1836 Mapleton Ave, Boulder, CO

Three permits here in the last two years. The newest, Apr 7: Replacing furnace and heat pump. 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 |
|---|---|---|---|---|
| Apr 7, 2026 | Mechanical (HVAC) | replacing furnace and heat pump. 3 ton heat pump. 99% EFF 70K BTU furnace 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 evi | $31,602 | [MEC2026-00526](https://nearbypermits.com/boulder/permit/MEC2026-00526/) |
| Apr 7, 2026 | Mechanical (HVAC) | replacing water heater. tankless 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 evidence of the pressure test directly to th | $5,000 | [MEC2026-00525](https://nearbypermits.com/boulder/permit/MEC2026-00525/) |
| Aug 8, 2025 | Mechanical (HVAC) | *Voided for inactivity - no inspections for 180 days* MITSUBISHI HEAT PUMP & AC. 2 WALL UNITS 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 assigne | $6,821 | [MEC2025-01254](https://nearbypermits.com/boulder/permit/MEC2025-01254/) |

## More on this street

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

- [1829 Mapleton Ave](https://nearbypermits.com/boulder/address/1829-mapleton-ave/): newest permit Mar 6, 2026
- [1804 Mapleton Ave](https://nearbypermits.com/boulder/address/1804-mapleton-ave/): newest permit Mar 26, 2026
- [1803 Mapleton Ave](https://nearbypermits.com/boulder/address/1803-mapleton-ave/): newest permit Feb 10, 2026
- [1920 Mapleton Ave](https://nearbypermits.com/boulder/address/1920-mapleton-ave/): newest permit Sep 3, 2025
- [1928 Mapleton Ave](https://nearbypermits.com/boulder/address/1928-mapleton-ave/): newest permit Jun 18, 2026
- [1730 Mapleton Ave](https://nearbypermits.com/boulder/address/1730-mapleton-ave/): newest permit Sep 8, 2025
- [1719 Mapleton Ave](https://nearbypermits.com/boulder/address/1719-mapleton-ave/): newest permit Sep 25, 2026
- [1713 Mapleton Ave](https://nearbypermits.com/boulder/address/1713-mapleton-ave/): newest permit Jan 8, 2026
- [2004 Mapleton Ave](https://nearbypermits.com/boulder/address/2004-mapleton-ave/): newest permit Sep 2, 2026
- [2053 Mapleton Ave](https://nearbypermits.com/boulder/address/2053-mapleton-ave/): newest permit May 2, 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 22:23 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/1836-mapleton-ave/