# Building permits at 170 55th St, Boulder, CO

Two permits on record here. The newest, Apr 27: Lot 3. New affordable 1869 sq. ft. two-story single family detached home. 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 |
|---|---|---|---|---|
| Apr 27, 2026 | New building | Lot 3. New affordable 1869 sq. ft. two-story single family detached home. | $246,388 | [BLD-SFD2025-00476](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00476/) |
| Nov 21, 2025 | Fire systems | 13D Residential Fire Sprinkler System (FSN13D) | $6,175 | [FIR2025-00453](https://nearbypermits.com/boulder/permit/FIR2025-00453/) |

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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 09:40 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/170-55th-st/