# Addition permit BLD-SFD2025-00387 at 2345 Walnut St, Boulder

Boulder Planning and Development Services permit BLD-SFD2025-00387: issued Dec 12, 2025 for addition work at 2345 Walnut St. Alterations of 1st floor (1,015 sf) and addition of stairway and usable space in attic (151 sf). *11/20/25 Revision to reduce scope. Remove the addition of floor area to the existing attic and associated stair and dormer.* *See HIS2025-00069*.

- Permit number: BLD-SFD2025-00387
- Issued: Dec 12, 2025
- Type of work: Addition (city: Building Permit - Single Family Detached Dwelling, Addition and Alteration)
- Status: Finished (city: Letter of Completion)
- Reported cost: $90,000
- ZIP code: 80302
- All permits at this address: https://nearbypermits.com/boulder/address/2345-walnut-st/

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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 23:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 2345 Walnut St: https://nearbypermits.com/boulder/address/2345-walnut-st/