# Building permits at 3175 18th St, Boulder, CO

One permit here in the last two years. The newest, Nov 5, 2025: Roof mounted solar installation 4.05KW 10 x solarspace ss8-54hsb 405W solar modules 10 x enphase iq8a-72-2-us. 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 |
|---|---|---|---|---|
| Nov 5, 2025 | Electrical | roof mounted solar installation 4.05KW 10 x solarspace ss8-54hsb 405W solar modules 10 x enphase iq8a-72-2-us microinverters | $11,011 | [ELE2025-01188](https://nearbypermits.com/boulder/permit/ELE2025-01188/) |

## More on this street

Other addresses on 18th St with permits, nearest house number first:

- [3075 18th St](https://nearbypermits.com/boulder/address/3075-18th-st/): newest permit Jan 28, 2026
- [3060 18th St](https://nearbypermits.com/boulder/address/3060-18th-st/): newest permit Jan 14, 2026
- [3050 18th St](https://nearbypermits.com/boulder/address/3050-18th-st/): newest permit Aug 26, 2026
- [3040 18th St](https://nearbypermits.com/boulder/address/3040-18th-st/): newest permit Jun 9, 2026
- [3035 18th St](https://nearbypermits.com/boulder/address/3035-18th-st/): newest permit Dec 3, 2025
- [3025 18th St](https://nearbypermits.com/boulder/address/3025-18th-st/): newest permit Jun 1, 2026
- [3010 18th St](https://nearbypermits.com/boulder/address/3010-18th-st/): newest permit Sep 1, 2026
- [2985 18th St](https://nearbypermits.com/boulder/address/2985-18th-st/): newest permit Dec 23, 2025
- [2950 18th St](https://nearbypermits.com/boulder/address/2950-18th-st/): newest permit Jun 17, 2026
- [2940 18th St](https://nearbypermits.com/boulder/address/2940-18th-st/): newest permit Sep 4, 2026

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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 13:39 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/3175-18th-st/