# Building permits at 1838 23rd St 1, Boulder, CO

One permit here in the last two years. The newest, Mar 24: Emergency boiler like for like replacement PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING. 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 |
|---|---|---|---|---|
| Mar 24, 2026 | Mechanical (HVAC) | Emergency boiler like for like replacement PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test dire | $5,000 | [MEC2026-00393](https://nearbypermits.com/boulder/permit/MEC2026-00393/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

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

- [1851 23rd St](https://nearbypermits.com/boulder/address/1851-23rd-st/): newest permit Apr 8, 2026
- [1860 23rd St](https://nearbypermits.com/boulder/address/1860-23rd-st/): newest permit Sep 8, 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 2026-10-09 14:41 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/1838-23rd-st-1/