# Building permits at 4313 Butler Cir, Boulder, CO

One permit on record here. The newest, Sep 24, 2025: Installation of a 3 Ton Mitsubishi Cold Climate Heat Pump System. 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 |
|---|---|---|---|---|
| Sep 24, 2025 | Mechanical (HVAC) | Installation of a 3 Ton Mitsubishi Cold Climate Heat Pump System. Condenser Model# PUZ-AK36NLHZ, AHU Model# PVA-AA36NL. Electrical Scope of work is as follows: 200A Panel Upgrade, add new GFCI Service Outlet and one 30A Circuit Breaker with circuit All new plastic glued vents for fuel burning applia | $28,440 | [MEC2025-01570](https://nearbypermits.com/boulder/permit/MEC2025-01570/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

Other addresses on Butler Cir with permits, nearest house number first:

- [4316 Butler Cir](https://nearbypermits.com/boulder/address/4316-butler-cir/): newest permit Nov 5, 2025
- [4317 Butler Cir](https://nearbypermits.com/boulder/address/4317-butler-cir/): newest permit Jan 20, 2026
- [4325 Butler Cir](https://nearbypermits.com/boulder/address/4325-butler-cir/): newest permit May 13, 2026
- [4340 Butler Cir](https://nearbypermits.com/boulder/address/4340-butler-cir/): newest permit Oct 10, 2025
- [4341 Butler Cir](https://nearbypermits.com/boulder/address/4341-butler-cir/): newest permit Nov 13, 2025
- [4350 Butler Cir](https://nearbypermits.com/boulder/address/4350-butler-cir/): newest permit Sep 5, 2025
- [4361 Butler Cir](https://nearbypermits.com/boulder/address/4361-butler-cir/): newest permit Apr 4, 2025
- [4371 Butler Cir](https://nearbypermits.com/boulder/address/4371-butler-cir/): newest permit May 7, 2025
- [4380 Butler Cir](https://nearbypermits.com/boulder/address/4380-butler-cir/): newest permit Feb 27, 2026
- [4385 Butler Cir](https://nearbypermits.com/boulder/address/4385-butler-cir/): newest permit Feb 4, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 18:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/4313-butler-cir/