# Building permits at 2423 23rd St, Boulder, CO

Six permits on record here. The newest, Aug 15, 2025: Replace failed 50 gallon gas water heater with similar unit All new plastic glued vents for 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 |
|---|---|---|---|---|
| Aug 15, 2025 | Mechanical (HVAC) | Replace failed 50 gallon gas water heater with similar unit 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 directly to the assigned inspector on the day the rough m | $1,500 | [MEC2025-01311](https://nearbypermits.com/boulder/permit/MEC2025-01311/) |
| Feb 9, 2009 | Electrical | PV installation on SFD. Flush mounted grid-tied, 2.0kW | $13,000 | [PMT2009-00434-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00434-ELE/) |
| Feb 4, 2009 | Roofing | Remove majority of existing roofing (except for metal roof in back) and re-roof with dimensional shingles, 20 squares, pitch represented to be 3:12, 8:12 and 12:12. | $4,090 | [PMT2009-00351-RFG](https://nearbypermits.com/boulder/permit/PMT2009-00351-RFG/) |
| Jun 2, 1995 | Alteration or repair | Remodel basement the original general permit number is 954031. | $2,000 | [PMT1995-04031](https://nearbypermits.com/boulder/permit/PMT1995-04031/) |
| Aug 9, 1993 | Alteration or repair | Install waterproof shower (replacement) the original general permit number is | $400 | [PMT1993-05804](https://nearbypermits.com/boulder/permit/PMT1993-05804/) |
| Jun 21, 1990 | Alteration or repair | Encl porch,rmdl. The original general permit number is r1128. | $1,000 | [PMT1990-R1128](https://nearbypermits.com/boulder/permit/PMT1990-R1128/) |

## More on this street

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

- [2431 23rd St](https://nearbypermits.com/boulder/address/2431-23rd-st/): newest permit Apr 15, 2025
- [2335 23rd St](https://nearbypermits.com/boulder/address/2335-23rd-st/): newest permit Jul 17, 2026
- [2251 23rd St](https://nearbypermits.com/boulder/address/2251-23rd-st/): newest permit Nov 12, 2025
- [2247 23rd St](https://nearbypermits.com/boulder/address/2247-23rd-st/): newest permit Oct 17, 2025
- [2129 23rd St](https://nearbypermits.com/boulder/address/2129-23rd-st/): newest permit Feb 24, 2025
- [2090 23rd St](https://nearbypermits.com/boulder/address/2090-23rd-st/): newest permit Jan 30, 2026
- [2060 23rd St](https://nearbypermits.com/boulder/address/2060-23rd-st/): newest permit Jan 8, 2025
- [1924 23rd St](https://nearbypermits.com/boulder/address/1924-23rd-st/): newest permit Jul 27, 2026
- [1860 23rd St](https://nearbypermits.com/boulder/address/1860-23rd-st/): newest permit Sep 8, 2026
- [2987 23rd St](https://nearbypermits.com/boulder/address/2987-23rd-st/): newest permit Dec 26, 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 03:37 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 6 permits at this address: https://nearbypermits.com/boulder/address/2423-23rd-st/