# Building permits at 2323 4th St, Boulder, CO

Two permits here in the last two years. The newest, Jan 21: Partial remodel of existing 3-story single-family residence. 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 |
|---|---|---|---|---|
| Jan 21, 2026 | Alteration or repair | Partial remodel of existing 3-story single-family residence. Proposed work includes the reconfiguration of an existing lower level bedroom and bathroom (355 sf) as well as the addition of a small wet bar on the lower level. Quietrock drywall will be installed at the ceiling of two bedrooms for sound | $1,950,000 | [BLD-SFD2025-00420](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00420/) |
| Apr 4, 2025 | Mechanical (HVAC) | Install new replacement 25 SEER, 1 ton mini split heat pump, with 1 high wall indoor unit. | $5,275 | [MEC2025-00531](https://nearbypermits.com/boulder/permit/MEC2025-00531/) |

## More on this street

Other addresses on 4th St with permits, nearest house number first:

- [2305 4th St](https://nearbypermits.com/boulder/address/2305-4th-st/): newest permit Sep 10, 2026
- [2299 4th St](https://nearbypermits.com/boulder/address/2299-4th-st/): newest permit Aug 20, 2025
- [2385 4th St](https://nearbypermits.com/boulder/address/2385-4th-st/): newest permit Aug 25, 2025
- [2241 4th St](https://nearbypermits.com/boulder/address/2241-4th-st/): newest permit Jun 11, 2026
- [2237 4th St](https://nearbypermits.com/boulder/address/2237-4th-st/): newest permit Mar 5, 2026
- [2233 4th St](https://nearbypermits.com/boulder/address/2233-4th-st/): newest permit Jul 8, 2026
- [2425 4th St](https://nearbypermits.com/boulder/address/2425-4th-st/): newest permit Mar 28, 2025
- [2427 4th St](https://nearbypermits.com/boulder/address/2427-4th-st/): newest permit Mar 7, 2025
- [2429 4th St](https://nearbypermits.com/boulder/address/2429-4th-st/): newest permit Dec 27, 2024
- [2431 4th St](https://nearbypermits.com/boulder/address/2431-4th-st/): newest permit Dec 16, 2024

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 10:56 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Both permits at this address: https://nearbypermits.com/boulder/address/2323-4th-st/