# New building permit BLD-SFA2025-00025 at 4451 Esperanza Ct A, Boulder

Boulder Planning and Development Services permit BLD-SFA2025-00025: issued Sep 3, 2025 for new building work at 4451 Esperanza Ct A. 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 space. Previously addressed as 4475 Broadway Unit 31.

- Permit number: BLD-SFA2025-00025
- Issued: Sep 3, 2025
- Type of work: New building (city: Building Permit - Single Family Attached Dwelling, New)
- Status: Finished (city: Certificate of Occupancy)
- Reported cost: $450,000
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/4451-esperanza-ct-a/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-13 15:01 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4451 Esperanza Ct A: https://nearbypermits.com/boulder/address/4451-esperanza-ct-a/