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

Six permits on record here. 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/) |
| Sep 18, 2023 | Roofing | Total tear-off & reroof of SFD, 20 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 | $6,300 | [RFG2023-00489](https://nearbypermits.com/boulder/permit/RFG2023-00489/) |
| Jul 27, 2012 | Mechanical (HVAC) | Replacement Water Heater | $1,102 | [PMT2012-20202-MEC](https://nearbypermits.com/boulder/permit/PMT2012-20202-MEC/) |
| Nov 26, 2003 | Mechanical (HVAC) | Replace water heater in basement with a 50 gallon, 40,000 BTU unit. | $300 | [PMT2003-05079-MEC](https://nearbypermits.com/boulder/permit/PMT2003-05079-MEC/) |
| Jul 28, 2003 | Fence, wall or deck | Replacement of an existing chain link fence with a 6' tall, 170 linear foot cedar privacy fence. | $3,000 | [PMT2003-03088-FEN](https://nearbypermits.com/boulder/permit/PMT2003-03088-FEN/) |
| Oct 15, 2002 | Electrical | Service change to 150 amps, 10 new outlets in basement. | $3,500 | [PMT2002-04486-ELE](https://nearbypermits.com/boulder/permit/PMT2002-04486-ELE/) |

## 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 03:33 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/3175-18th-st/