# Building permits at 3125 23rd St, Boulder, CO

One permit here in the last two years. The newest, Sep 8, 2025: The project consists of a 38 SF 1st story addition to the front entry of the existing primary structure with. 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 |
|---|---|---|---|---|
| Sep 8, 2025 | Addition | The project consists of a 38 SF 1st story addition to the front entry of the existing primary structure with exterior aesthetic upgrades. It also consists of a new laundry/mudroom with a new half bath, a renovated kitchen as well as a new en-suite primary bathroom. | $60,000 | [BLD-SFD2024-00329](https://nearbypermits.com/boulder/permit/BLD-SFD2024-00329/) |

## More on this street

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

- [3140 23rd St](https://nearbypermits.com/boulder/address/3140-23rd-st/): newest permit Jun 3, 2026
- [3105 23rd St](https://nearbypermits.com/boulder/address/3105-23rd-st/): newest permit Jun 30, 2026
- [3145 23rd St](https://nearbypermits.com/boulder/address/3145-23rd-st/): newest permit Sep 26, 2025
- [3165 23rd St](https://nearbypermits.com/boulder/address/3165-23rd-st/): newest permit Aug 18, 2026
- [3060 23rd St](https://nearbypermits.com/boulder/address/3060-23rd-st/): newest permit Oct 21, 2025
- [3030 23rd St](https://nearbypermits.com/boulder/address/3030-23rd-st/): newest permit Aug 8, 2025
- [3020 23rd St](https://nearbypermits.com/boulder/address/3020-23rd-st/): newest permit Feb 18, 2025
- [2994 23rd St](https://nearbypermits.com/boulder/address/2994-23rd-st/): newest permit Apr 24, 2026
- [2987 23rd St](https://nearbypermits.com/boulder/address/2987-23rd-st/): newest permit Dec 26, 2024
- [3333 23rd St](https://nearbypermits.com/boulder/address/3333-23rd-st/): newest permit May 5, 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 19:28 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/3125-23rd-st/