# Building permits at 4451 Esperanza Ct A, Boulder, CO

Two permits on record here. The newest, Sep 3, 2025: Actual Address is 4451 Esperanza Court. 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 |
|---|---|---|---|---|
| Sep 3, 2025 | New building | Actual Address is 4451 Esperanza Court. Installation of Factory Built Duplex for the Ponderosa Redevelopment Project. Housing and Human Services is the Owner. The duplex is approved for factory construction by the State. Total SF is 1158 per unit or 2316 for the entire duplex. Two stories with crawl | $450,000 | [BLD-SFA2025-00025](https://nearbypermits.com/boulder/permit/BLD-SFA2025-00025/) |
| Jun 24, 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 | [FIR2025-00228](https://nearbypermits.com/boulder/permit/FIR2025-00228/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

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

- [4450 Esperanza Ct A](https://nearbypermits.com/boulder/address/4450-esperanza-ct-a/): newest permit Sep 8, 2026
- [4460 Esperanza Ct A](https://nearbypermits.com/boulder/address/4460-esperanza-ct-a/): newest permit Sep 8, 2026
- [4441 Esperanza Ct A](https://nearbypermits.com/boulder/address/4441-esperanza-ct-a/): newest permit Sep 2, 2025
- [4461 Esperanza Ct A](https://nearbypermits.com/boulder/address/4461-esperanza-ct-a/): newest permit Sep 8, 2026
- [4440 Esperanza Ct A](https://nearbypermits.com/boulder/address/4440-esperanza-ct-a/): newest permit Mar 17, 2026
- [4471 Esperanza Ct A](https://nearbypermits.com/boulder/address/4471-esperanza-ct-a/): newest permit Sep 8, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 22:33 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-esperanza-ct-a/