# Building permits at 1851 23rd St, Boulder, CO

One permit here in the last two years. The newest, Apr 8: All Structures must be permitted separately Total tear-off & reroof of SFD. 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 |
|---|---|---|---|---|
| Apr 8, 2026 | Roofing | All Structures must be permitted separately Total tear-off & reroof of SFD, 24 squares of dimensional shingles on a pitch represented as 7/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof type other t | $9,330 | [RFG2026-00310](https://nearbypermits.com/boulder/permit/RFG2026-00310/) |

## More on this street

Other addresses on 23rd St with permits, nearest house number first:

- [1860 23rd St](https://nearbypermits.com/boulder/address/1860-23rd-st/): newest permit Sep 8, 2026
- [1838 23rd St 1](https://nearbypermits.com/boulder/address/1838-23rd-st-1/): newest permit Mar 24, 2026
- [1924 23rd St](https://nearbypermits.com/boulder/address/1924-23rd-st/): newest permit Jul 27, 2026
- [2060 23rd St](https://nearbypermits.com/boulder/address/2060-23rd-st/): newest permit Jan 8, 2025
- [2090 23rd St](https://nearbypermits.com/boulder/address/2090-23rd-st/): newest permit Jan 30, 2026
- [2129 23rd St](https://nearbypermits.com/boulder/address/2129-23rd-st/): newest permit Feb 24, 2025
- [2247 23rd St](https://nearbypermits.com/boulder/address/2247-23rd-st/): newest permit Oct 17, 2025
- [2251 23rd St](https://nearbypermits.com/boulder/address/2251-23rd-st/): newest permit Nov 12, 2025
- [2335 23rd St](https://nearbypermits.com/boulder/address/2335-23rd-st/): newest permit Jul 17, 2026
- [2423 23rd St](https://nearbypermits.com/boulder/address/2423-23rd-st/): newest permit Aug 15, 2025

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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 13:15 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/1851-23rd-st/