# Building permits at 2463 Walnut St, Boulder, CO

One permit on record here. The newest, May 21: Installing new mini-split heat pump system 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 |
|---|---|---|---|---|
| May 21, 2026 | Mechanical (HVAC) | Installing new mini-split heat pump system 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 dire | $13,919 | [MEC2026-00817](https://nearbypermits.com/boulder/permit/MEC2026-00817/) |

## More on this street

Other addresses on Walnut St with permits, nearest house number first:

- [2465 Walnut St 1](https://nearbypermits.com/boulder/address/2465-walnut-st-1/): newest permit Jun 9, 2026
- [2455 Walnut St](https://nearbypermits.com/boulder/address/2455-walnut-st/): newest permit Sep 30, 2025
- [2408 Walnut St](https://nearbypermits.com/boulder/address/2408-walnut-st/): newest permit Oct 14, 2025
- [2401 Walnut St 7](https://nearbypermits.com/boulder/address/2401-walnut-st-7/): newest permit Nov 15, 2024
- [2345 Walnut St](https://nearbypermits.com/boulder/address/2345-walnut-st/): newest permit Dec 12, 2025
- [2340 Walnut St](https://nearbypermits.com/boulder/address/2340-walnut-st/): newest permit Sep 18, 2025
- [2590 Walnut St](https://nearbypermits.com/boulder/address/2590-walnut-st/): newest permit Sep 15, 2026
- [2333 Walnut St](https://nearbypermits.com/boulder/address/2333-walnut-st/): newest permit Aug 22, 2025
- [2317 Walnut St](https://nearbypermits.com/boulder/address/2317-walnut-st/): newest permit Jul 31, 2025
- [2315 Walnut St](https://nearbypermits.com/boulder/address/2315-walnut-st/): newest permit May 13, 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 04:34 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/2463-walnut-st/