# Building permits at 3151 Walnut St, Boulder, CO

One permit here in the last two years. The newest, Nov 8, 2024: VOID- 180 Days no activity installation of (1) illuminated arcade sign and (1) tenant panel for an existing. 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 |
|---|---|---|---|---|
| Nov 8, 2024 | Sign | VOID- 180 Days no activity installation of (1) illuminated arcade sign and (1) tenant panel for an existing monument sign | $12,825 | [SGN2024-00060](https://nearbypermits.com/boulder/permit/SGN2024-00060/) |

## More on this street

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

- [3201 Walnut St](https://nearbypermits.com/boulder/address/3201-walnut-st/): newest permit Nov 18, 2025
- [3250 Walnut St](https://nearbypermits.com/boulder/address/3250-walnut-st/): newest permit May 16, 2025
- [3003 Walnut St](https://nearbypermits.com/boulder/address/3003-walnut-st/): newest permit Jul 31, 2025
- [3300 Walnut St](https://nearbypermits.com/boulder/address/3300-walnut-st/): newest permit Jun 2, 2025
- [3333 Walnut St](https://nearbypermits.com/boulder/address/3333-walnut-st/): newest permit Nov 17, 2025
- [2590 Walnut St](https://nearbypermits.com/boulder/address/2590-walnut-st/): newest permit Sep 15, 2026
- [3720 Walnut St](https://nearbypermits.com/boulder/address/3720-walnut-st/): newest permit Sep 15, 2026
- [3750 Walnut St](https://nearbypermits.com/boulder/address/3750-walnut-st/): newest permit Dec 20, 2024
- [2465 Walnut St 1](https://nearbypermits.com/boulder/address/2465-walnut-st-1/): newest permit Jun 9, 2026
- [2463 Walnut St](https://nearbypermits.com/boulder/address/2463-walnut-st/): newest permit May 21, 2026

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 14:22 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/3151-walnut-st/