# Building permits at 3830 Northbrook Dr, Boulder, CO

Four permits on record here. The newest, Jan 2, 2025: 1. New Mitsubishi 3 to 1 heat pump 28,400 cooling BTU 28,600 heating BTU 18 SEER2 9.87 HSPF2. 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 2, 2025 | Mechanical (HVAC) | 1. New Mitsubishi 3 to 1 heat pump 28,400 cooling BTU 28,600 heating BTU 18 SEER2 9.87 HSPF2. 2. New electrical circuit for the condenser. 3. 200 amp underground service change. (12) AFCI single pole breakers. Complete grounding and bonding with whole home surge protection. New 200 amp meter with by | $16,544 | [MEC2024-01961](https://nearbypermits.com/boulder/permit/MEC2024-01961/) |
| Jul 17, 2024 | Mechanical (HVAC) | 4/24/26-VOID-Inspections not completed within 180 days. MUST REAPPLY FOR INSPECTIONS replace failed 75 gallon tank with like model | $4,810 | [MEC2024-00994](https://nearbypermits.com/boulder/permit/MEC2024-00994/) |
| Jun 13, 2023 | Mechanical (HVAC) | *Voided for inactivity - no inspections within 180 days* Install new mini split system 1-1 w/ electrical connect: Condenser & Head - 18,000 BTU | $6,530 | [MEC2023-00857](https://nearbypermits.com/boulder/permit/MEC2023-00857/) |
| Jul 31, 2014 | Mechanical (HVAC) | Mechanical permit for installation of gas piping for a gas range. | $595 | [PMT2014-03558-MEC](https://nearbypermits.com/boulder/permit/PMT2014-03558-MEC/) |

## More on this street

Other addresses on Northbrook Dr with permits, nearest house number first:

- [3825 Northbrook Dr](https://nearbypermits.com/boulder/address/3825-northbrook-dr/): newest permit Jun 24, 2025
- [3835 Northbrook Dr](https://nearbypermits.com/boulder/address/3835-northbrook-dr/): newest permit Jan 28, 2026
- [3822 Northbrook Dr](https://nearbypermits.com/boulder/address/3822-northbrook-dr/): newest permit Oct 1, 2026
- [3808 Northbrook Dr](https://nearbypermits.com/boulder/address/3808-northbrook-dr/): newest permit Apr 4, 2025
- [3805 Northbrook Dr](https://nearbypermits.com/boulder/address/3805-northbrook-dr/): newest permit Jun 24, 2025
- [3855 Northbrook Dr](https://nearbypermits.com/boulder/address/3855-northbrook-dr/): newest permit May 22, 2026
- [3859 Northbrook Dr](https://nearbypermits.com/boulder/address/3859-northbrook-dr/): newest permit Jan 10, 2025
- [3879 Northbrook Dr](https://nearbypermits.com/boulder/address/3879-northbrook-dr/): newest permit Jul 24, 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 04:37 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/3830-northbrook-dr/