# Building permits at 3505 23rd St, Boulder, CO

Four permits here in the last two years. The newest, Jan 2: Replace 40 gallob electric water heater with new "like for like" customer will have electrical work completed. 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 2, 2026 | Mechanical (HVAC) | Replace 40 gallob electric water heater with new "like for like" customer will have electrical work completed prior by a licensed electrical they will pull their own permit PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances m | $1,500 | [MEC2025-02149](https://nearbypermits.com/boulder/permit/MEC2025-02149/) |
| Nov 20, 2025 | Electrical | Install a dedicated 120V circuit to serve a plug-in water heater. Circuit routing, wiring method, and GFCI protection will be completed in accordance with current NEC requirements. No service or panel upgrades are included. *See mec2025-02017* | $1,192 | [ELE2025-01243](https://nearbypermits.com/boulder/permit/ELE2025-01243/) |
| Nov 18, 2025 | Mechanical (HVAC) | VOID- 180 Days no activity Replace water heater like for like Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the electrical scope. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic g | $1,893 | [MEC2025-02017](https://nearbypermits.com/boulder/permit/MEC2025-02017/) |
| Jul 16, 2025 | Roofing | Total tear-off & reroof of SFD, 17 squares of dimensional shingles on a pitch represented as 4/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as tested in accordance w | $15,875 | [RFG2025-00505](https://nearbypermits.com/boulder/permit/RFG2025-00505/) |

## More on this street

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

- [3515 23rd St](https://nearbypermits.com/boulder/address/3515-23rd-st/): newest permit Apr 30, 2026
- [3525 23rd St](https://nearbypermits.com/boulder/address/3525-23rd-st/): newest permit Jul 8, 2025
- [3445 23rd St](https://nearbypermits.com/boulder/address/3445-23rd-st/): newest permit Jul 3, 2025
- [3333 23rd St](https://nearbypermits.com/boulder/address/3333-23rd-st/): newest permit May 5, 2025
- [3165 23rd St](https://nearbypermits.com/boulder/address/3165-23rd-st/): newest permit Aug 18, 2026
- [3145 23rd St](https://nearbypermits.com/boulder/address/3145-23rd-st/): newest permit Sep 26, 2025
- [3140 23rd St](https://nearbypermits.com/boulder/address/3140-23rd-st/): newest permit Jun 3, 2026
- [3125 23rd St](https://nearbypermits.com/boulder/address/3125-23rd-st/): newest permit Sep 8, 2025
- [3105 23rd St](https://nearbypermits.com/boulder/address/3105-23rd-st/): newest permit Jun 30, 2026
- [3060 23rd St](https://nearbypermits.com/boulder/address/3060-23rd-st/): newest permit Oct 21, 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 16:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/3505-23rd-st/