# Building permits at 3300 Walnut St, Boulder, CO

One permit here in the last two years. The newest, Jun 2, 2025: Tenant remodel in existing sprinkled building. 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 |
|---|---|---|---|---|
| Jun 2, 2025 | Fire systems | Tenant remodel in existing sprinkled building. Existing addressable firelite ms-9200udls fa system. Installation of (3) new horn/strobes and relocate (1) horn/strobe. (Fati) | $2,387 | [FIR2025-00201](https://nearbypermits.com/boulder/permit/FIR2025-00201/) |

## More on this street

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

- [3333 Walnut St](https://nearbypermits.com/boulder/address/3333-walnut-st/): newest permit Nov 17, 2025
- [3250 Walnut St](https://nearbypermits.com/boulder/address/3250-walnut-st/): newest permit May 16, 2025
- [3201 Walnut St](https://nearbypermits.com/boulder/address/3201-walnut-st/): newest permit Nov 18, 2025
- [3151 Walnut St](https://nearbypermits.com/boulder/address/3151-walnut-st/): newest permit Nov 8, 2024
- [3003 Walnut St](https://nearbypermits.com/boulder/address/3003-walnut-st/): newest permit Jul 31, 2025
- [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
- [2590 Walnut St](https://nearbypermits.com/boulder/address/2590-walnut-st/): newest permit Sep 15, 2026
- [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

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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 23:16 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/3300-walnut-st/