# Building permits at 4471 Esperanza Ct A, Boulder, CO

One permit on record here. The newest, Sep 8: This is a half of a NFPA#13D single family duplex. 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 8, 2026 | 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 | $4,050 | [FIR2026-00305](https://nearbypermits.com/boulder/permit/FIR2026-00305/) |

## 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:

- [4461 Esperanza Ct A](https://nearbypermits.com/boulder/address/4461-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
- [4451 Esperanza Ct A](https://nearbypermits.com/boulder/address/4451-esperanza-ct-a/): newest permit Sep 3, 2025
- [4450 Esperanza Ct A](https://nearbypermits.com/boulder/address/4450-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
- [4440 Esperanza Ct A](https://nearbypermits.com/boulder/address/4440-esperanza-ct-a/): newest permit Mar 17, 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 09:59 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/4471-esperanza-ct-a/