# Building permits at 2340 Walnut St, Boulder, CO

Five permits on record here. The newest, Sep 18, 2025: Service change to address existing Federal Pacific electrical panels. 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 18, 2025 | Electrical | Service change to address existing Federal Pacific electrical panels, remove and replace existing 600a service with a new 600a service, (no upgrade) remove and replace (5) tenant meters and (1) house meter with new equipment, replace (6) new 100a electrical panels and circuit breakers, update ground | $16,438 | [ELE2025-00826](https://nearbypermits.com/boulder/permit/ELE2025-00826/) |
| Mar 8, 2019 | Mechanical (HVAC) | Replacement water heater (40 gallon, UEF.62) | $2,000 | [MEC2019-00344](https://nearbypermits.com/boulder/permit/MEC2019-00344/) |
| Jan 2, 2019 | Roofing | *Total tear-off & reroof of SFD, 50 squares of asphalt shingles on a pitch represented as 5/12. All roof materials shall be installed per manufacturer?s specs. | $17,377 | [RFG2018-01023](https://nearbypermits.com/boulder/permit/RFG2018-01023/) |
| Oct 31, 2014 | Mechanical (HVAC) | Installation of replacement boiler in crawlspace. | $3,000 | [PMT2014-04960-MEC](https://nearbypermits.com/boulder/permit/PMT2014-04960-MEC/) |
| Feb 1, 2012 | Fence, wall or deck | Replacement of fencing around patios on east building, max five feet high. | $5,219 | [PMT2012-00425-FEN](https://nearbypermits.com/boulder/permit/PMT2012-00425-FEN/) |

## More on this street

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

- [2345 Walnut St](https://nearbypermits.com/boulder/address/2345-walnut-st/): newest permit Dec 12, 2025
- [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
- [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
- [2247 Walnut St](https://nearbypermits.com/boulder/address/2247-walnut-st/): newest permit Aug 26, 2026
- [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
- [2465 Walnut St 1](https://nearbypermits.com/boulder/address/2465-walnut-st-1/): newest permit Jun 9, 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 17:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/2340-walnut-st/