# Building permits at 2635 Mapleton Ave 61, Boulder, CO

Three permits here in the last two years. The newest, Jan 20: 1- Intertherm® MG2R045F1ABM1 MG2R 1-Stage Furnace. 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 |
|---|---|---|---|---|
| Jan 20, 2026 | Mechanical (HVAC) | 1- Intertherm® MG2R045F1ABM1 MG2R 1-Stage Furnace, Downflow, Natural Gas, 45000 Btu/hr Input, 42750 Btu/hr Output, 120 V, 95 % AFUE, 1605 cfm Flow Rate, ECM Motor Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the elec | $3,331 | [MEC2026-00079](https://nearbypermits.com/boulder/permit/MEC2026-00079/) |
| Mar 13, 2025 | Mechanical (HVAC) | Install Heat Pump (1) Mitsubishi 30k BTU Outdoor Unit- MXZ-3C30NAHZ3-U1 (1) Mitsubishi 9k BTU Wall-Mounted Unit - MSZ-GS09NA-U1 (1) Mitsubishi 18k BTU Wall-Mounted Unit - MSZ-GS18NA-U1 Electrical Scope: (1) Service Upgrade to 125A Panel, adding 50amp 240V Heat Pump water heater circuit | $28,218 | [MEC2025-00379](https://nearbypermits.com/boulder/permit/MEC2025-00379/) |
| Feb 10, 2025 | Electrical | VOID - 180 Days no activity ?125 amp sub panel ?40 amp heat pump circuit ?30 amp future water heater circ ?50 amp future range circuit Note from city staff: Approval of this permit does not include replacing the heat pump itself or installing a new one | $4,803 | [ELE2025-00094](https://nearbypermits.com/boulder/permit/ELE2025-00094/) |

## More on this street

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

- [2640 Mapleton Ave](https://nearbypermits.com/boulder/address/2640-mapleton-ave/): newest permit Jun 10, 2026
- [2644 Mapleton Ave](https://nearbypermits.com/boulder/address/2644-mapleton-ave/): newest permit Feb 28, 2025
- [2625 Mapleton Ave](https://nearbypermits.com/boulder/address/2625-mapleton-ave/): newest permit Dec 3, 2024
- [2614 Mapleton Ave](https://nearbypermits.com/boulder/address/2614-mapleton-ave/): newest permit Sep 16, 2025
- [2658 Mapleton Ave](https://nearbypermits.com/boulder/address/2658-mapleton-ave/): newest permit May 6, 2026
- [2604 Mapleton Ave](https://nearbypermits.com/boulder/address/2604-mapleton-ave/): newest permit May 15, 2025
- [2583 Mapleton Ave](https://nearbypermits.com/boulder/address/2583-mapleton-ave/): newest permit Aug 12, 2025
- [2576 Mapleton Ave](https://nearbypermits.com/boulder/address/2576-mapleton-ave/): newest permit Mar 10, 2026
- [2711 Mapleton Ave](https://nearbypermits.com/boulder/address/2711-mapleton-ave/): newest permit Jul 13, 2026
- [2537 Mapleton Ave](https://nearbypermits.com/boulder/address/2537-mapleton-ave/): newest permit Dec 6, 2024

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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 15:21 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/2635-mapleton-ave-61/