# Building permits at 4320 Monroe Dr, Boulder, CO

Two permits here in the last two years. The newest, Apr 7: Installing a ducted 2 ton Mr. Cool heat pump PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING. 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) | Installing a ducted 2 ton Mr. Cool heat pump 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 di | $9,200 | [MEC2026-00523](https://nearbypermits.com/boulder/permit/MEC2026-00523/) |
| Dec 22, 2025 | Mechanical (HVAC) | Replace 40 gallon WH with like unit. Bring all work up to current code. | $3,000 | [MEC2025-02316](https://nearbypermits.com/boulder/permit/MEC2025-02316/) |

## More on this street

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

- [4310 Monroe Dr A](https://nearbypermits.com/boulder/address/4310-monroe-dr-a/): newest permit Apr 21, 2025
- [4300 Monroe Dr D](https://nearbypermits.com/boulder/address/4300-monroe-dr-d/): newest permit Sep 1, 2026
- [4269 Monroe Dr A](https://nearbypermits.com/boulder/address/4269-monroe-dr-a/): newest permit Nov 22, 2024
- [4264 Monroe Dr C](https://nearbypermits.com/boulder/address/4264-monroe-dr-c/): newest permit Apr 21, 2026
- [4207 Monroe Dr A](https://nearbypermits.com/boulder/address/4207-monroe-dr-a/): newest permit Oct 9, 2025
- [4202 Monroe Dr](https://nearbypermits.com/boulder/address/4202-monroe-dr/): newest permit Oct 6, 2026
- [4165 Monroe Dr B](https://nearbypermits.com/boulder/address/4165-monroe-dr-b/): newest permit Sep 9, 2026
- [4160 Monroe Dr](https://nearbypermits.com/boulder/address/4160-monroe-dr/): newest permit Aug 19, 2026
- [4150 Monroe Dr A](https://nearbypermits.com/boulder/address/4150-monroe-dr-a/): newest permit Aug 3, 2026
- [4145 Monroe Dr D](https://nearbypermits.com/boulder/address/4145-monroe-dr-d/): newest permit Jun 5, 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 11:23 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Both permits at this address: https://nearbypermits.com/boulder/address/4320-monroe-dr/