# Building permits at 2315 Walnut St, Boulder, CO

Four permits on record here. The newest, May 13: Install/replace 2.5 ton 19 seer variable capacity cold climate heat pump onto existing furnace for single. 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 13, 2026 | Mechanical (HVAC) | Install/replace 2.5 ton 19 seer variable capacity cold climate heat pump onto existing furnace for single family detached dwelling - includes electrical PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure | $7,550 | [MEC2026-00754](https://nearbypermits.com/boulder/permit/MEC2026-00754/) |
| Mar 4, 2026 | Alteration or repair | Interior residential remodel. Scope includes like-for-like replacement of fixtures and finishes in kitchen, main floor bath, and primary bath. Reconfiguration of non-load bearing partitions and plumbing at second floor guest bath to alter access. Install various sized replacement windows. New floori | $50,000 | [BLD-SFD2025-00593](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00593/) |
| Jul 31, 2025 | Roofing | All Structures must be permitted separately Total tear-off & reroof of SFD, 18 squares of dimensional shingles on a pitch represented as 10/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof type other  | $10,950 | [RFG2025-00569](https://nearbypermits.com/boulder/permit/RFG2025-00569/) |
| Jan 14, 1992 | New building | Footing and foundation the original general permit number is 4315. | $3,500 | [PMT1992-04315](https://nearbypermits.com/boulder/permit/PMT1992-04315/) |

## More on this street

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

- [2317 Walnut St](https://nearbypermits.com/boulder/address/2317-walnut-st/): newest permit Jul 31, 2025
- [2333 Walnut St](https://nearbypermits.com/boulder/address/2333-walnut-st/): newest permit Aug 22, 2025
- [2340 Walnut St](https://nearbypermits.com/boulder/address/2340-walnut-st/): newest permit Sep 18, 2025
- [2345 Walnut St](https://nearbypermits.com/boulder/address/2345-walnut-st/): newest permit Dec 12, 2025
- [2247 Walnut St](https://nearbypermits.com/boulder/address/2247-walnut-st/): newest permit Aug 26, 2026
- [2401 Walnut St 7](https://nearbypermits.com/boulder/address/2401-walnut-st-7/): newest permit Nov 15, 2024
- [2408 Walnut St](https://nearbypermits.com/boulder/address/2408-walnut-st/): newest permit Oct 14, 2025
- [2211 Walnut St](https://nearbypermits.com/boulder/address/2211-walnut-st/): newest permit Oct 14, 2025
- [2455 Walnut St](https://nearbypermits.com/boulder/address/2455-walnut-st/): newest permit Sep 30, 2025
- [2463 Walnut St](https://nearbypermits.com/boulder/address/2463-walnut-st/): newest permit May 21, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 19:59 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/2315-walnut-st/