# Building permits at 4451 11th Ct A, Boulder, CO

Two permits on record here. The newest, May 19: New 2316 S.F. modular duplex (1158 each unit). 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 19, 2026 | New building | New 2316 s.f. modular duplex (1158 each unit). 3 bedroom units. | $300,000 | [BLD-SFA2026-00001](https://nearbypermits.com/boulder/permit/BLD-SFA2026-00001/) |
| Jun 25, 2025 | Fire systems | This is a half of a NFPA#13D single family duplex. There are approx 8 sprinklers per unit and 16 total per duplex (FSN13D) | $4,050 | [FIR2025-00232](https://nearbypermits.com/boulder/permit/FIR2025-00232/) |

## More on this street

Other addresses on 11th Ct with permits, nearest house number first:

- [4461 11th Ct A](https://nearbypermits.com/boulder/address/4461-11th-ct-a/): newest permit Jun 25, 2025

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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 03:12 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/4451-11th-ct-a/