# Building permits at 2635 Mapleton Ave 173, Boulder, CO

Three permits here in the last two years. The newest, Jul 16: 200A electrical service upgrade. 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 |
|---|---|---|---|---|
| Jul 16, 2026 | Electrical | 200A electrical service upgrade. | $1,197 | [ELE2026-00734](https://nearbypermits.com/boulder/permit/ELE2026-00734/) |
| Jun 12, 2026 | Mechanical (HVAC) | Installation of 2 Ton Ductless Heat Pump System. Condenser Model# MXZ-3D24NLHZ, and two wall-mounted mini-split units Model#'s MSZ-GX06NL, MSZ-GX12NL. Electrical scope of work will be as follows: add new 25A Breaker with Circuit and 120v GFCI Circuit to service Heat Pump PLEASE NOTE: APPLICABLE ONLY | $15,630 | [MEC2026-00961](https://nearbypermits.com/boulder/permit/MEC2026-00961/) |
| Dec 8, 2025 | Roofing | Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof type other than asphalt shingles (regardless of pitch). For roof/attic assemblies requiring 1/150 ventilation, include a calculation detailing the quantity of intake and exhaust vents demonstrating 1/150 venting ratio c | $2,750 | [RFG2025-00953](https://nearbypermits.com/boulder/permit/RFG2025-00953/) |

## 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 14:41 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-173/