# Building permits at 1708 Walnut St, Boulder, CO

Five permits on record here. The newest, Feb 21, 2025: Revision 5/14/25 existing sub panel. 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 |
|---|---|---|---|---|
| Feb 21, 2025 | Electrical | Revision 5/14/25 existing sub panel, new sub feeder breaker and new main breaker have been added to the electrical diagram ? System size: 4400w dc, 3800w ac ? Modules: (11) longi green energy technology co ltd: lr5-54habb-400m ? Inverters: (1) solaredge technologies: se3800h-usmn ? Racking: snapnrac | $11,000 | [ELE2024-00963](https://nearbypermits.com/boulder/permit/ELE2024-00963/) |
| Mar 7, 2023 | Alteration or repair | Permit to re-establish 1708 Walnut Ave. as a single family dwelling. Scope is a change of use and all elements to make the building a habitable single family dwelling per current code. Permit BLD-SFD2021-00646 has been issued to remove the connecting "breezeway" to separate the dwellings addressed 1 | $6,500 | [BLD-SFD2022-00291](https://nearbypermits.com/boulder/permit/BLD-SFD2022-00291/) |
| Feb 22, 2023 | Fire systems | New Plumis Mist Fire Suppression system to protect a single family detached dwelling. General building is pulled for the purposes of re-establishing 1708 Walnut Avenue as a single-family detached dwelling. See BLD-SFD2022-00291 for general building permit. (Fspm) | $16,000 | [FIR2023-00053](https://nearbypermits.com/boulder/permit/FIR2023-00053/) |
| Sep 1, 2022 | Fire systems | Installation of new complete NFPA 13D fire sprinkler system to accommodate a permit to re-establish 1708 Walnut Avenue as a single family dwelling. See BLD-SFD2022-00291 for general building permit. (Fsn13d) | $5,901 | [FIR2022-00296](https://nearbypermits.com/boulder/permit/FIR2022-00296/) |
| Jun 19, 1995 | Roofing | Roofing re-roof with tamko heritage fiberglass shingles | $2,300 | [PMT1995-04561-RFG](https://nearbypermits.com/boulder/permit/PMT1995-04561-RFG/) |

## More on this street

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

- [1707 Walnut St 106](https://nearbypermits.com/boulder/address/1707-walnut-st-106/): newest permit May 28, 2026
- [1726 Walnut St](https://nearbypermits.com/boulder/address/1726-walnut-st/): newest permit Oct 17, 2025
- [1734 Walnut St](https://nearbypermits.com/boulder/address/1734-walnut-st/): newest permit Oct 2, 2025
- [1743 Walnut St](https://nearbypermits.com/boulder/address/1743-walnut-st/): newest permit Apr 15, 2025
- [1655 Walnut St 301](https://nearbypermits.com/boulder/address/1655-walnut-st-301/): newest permit Jan 15, 2026
- [1634 Walnut St C](https://nearbypermits.com/boulder/address/1634-walnut-st-c/): newest permit Sep 24, 2026
- [1620 Walnut St](https://nearbypermits.com/boulder/address/1620-walnut-st/): newest permit May 13, 2025
- [1802 Walnut St](https://nearbypermits.com/boulder/address/1802-walnut-st/): newest permit Oct 24, 2024
- [1603 Walnut St](https://nearbypermits.com/boulder/address/1603-walnut-st/): newest permit Jul 20, 2026
- [1818 Walnut St](https://nearbypermits.com/boulder/address/1818-walnut-st/): newest permit Sep 16, 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 13:32 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/1708-walnut-st/