# Building permits at 801 18th St, Boulder, CO

Two permits on record here. The newest, Jan 15, 2025: Voided for inactivity - no inspection within 180 days. 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 15, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days. replace 40-gallon water heater | $2,098 | [MEC2025-00079](https://nearbypermits.com/boulder/permit/MEC2025-00079/) |
| Apr 2, 2015 | Roofing | Total tear-off & reroof of a residential dewlling, 31 squares of asphalt shingles on a pitch represented as 5/12. All roof materials shall be installed per manufacturer's specs. Mid-roof inspection required if pitch is less than 4/12. | $8,837 | [PMT2015-01155-RFG](https://nearbypermits.com/boulder/permit/PMT2015-01155-RFG/) |

## More on this street

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

- [811 18th St](https://nearbypermits.com/boulder/address/811-18th-st/): newest permit Aug 13, 2026
- [823 18th St 3](https://nearbypermits.com/boulder/address/823-18th-st-3/): newest permit Feb 21, 2025
- [765 18th St](https://nearbypermits.com/boulder/address/765-18th-st/): newest permit Jun 17, 2026
- [760 18th St](https://nearbypermits.com/boulder/address/760-18th-st/): newest permit May 14, 2026
- [755 18th St](https://nearbypermits.com/boulder/address/755-18th-st/): newest permit Aug 18, 2026
- [864 18th St](https://nearbypermits.com/boulder/address/864-18th-st/): newest permit May 12, 2026
- [736 18th St](https://nearbypermits.com/boulder/address/736-18th-st/): newest permit Sep 24, 2025
- [709 18th St](https://nearbypermits.com/boulder/address/709-18th-st/): newest permit Mar 16, 2026
- [444 18th St](https://nearbypermits.com/boulder/address/444-18th-st/): newest permit Jun 11, 2026
- [401 18th St](https://nearbypermits.com/boulder/address/401-18th-st/): newest permit May 22, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 17:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Both permits at this address: https://nearbypermits.com/boulder/address/801-18th-st/