# Building permits at 401 18th St, Boulder, CO

One permit here in the last two years. The newest, May 22: All Structures must be permitted separately Total tear-off & reroof of SFD. 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 |
|---|---|---|---|---|
| May 22, 2026 | Roofing | All Structures must be permitted separately Total tear-off & reroof of SFD, 31 squares of dimensional shingles on a pitch represented MOSTLY as 5/12. All roof materials shall be installed per manufacturer?s specs. Some portions of this roof are less than 4/12 Mid-roof inspection is required if 1) pi | $10,385 | [RFG2026-00467](https://nearbypermits.com/boulder/permit/RFG2026-00467/) |

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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 08:59 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/401-18th-st/