# Alteration or repair permit BLD-NRE2025-00066 at 4775 Walnut St, Boulder

Boulder Planning and Development Services permit BLD-NRE2025-00066: issued Jul 17, 2025 for alteration or repair work at 4775 Walnut St. The project entails limited renovations to an existing second floor approx 6,863 sf business suite including the addition of one stair to a new roof access door, one new door to the first floor suite below, reconfiguration of two offices into one larger lab, removal of kitchenette casework, plumbing and appliances and related modifications to ceilings, ductwork and lighting as necessary. All other walls, assemblies and systems are existing to remain.there is no change to the existing business use.

- Permit number: BLD-NRE2025-00066
- Issued: Jul 17, 2025
- Type of work: Alteration or repair (city: Building Permit - Non-Residential, Alteration)
- Status: Finished (city: Letter of Completion)
- Reported cost: $32,539
- ZIP code: 80301
- All permits at this address: https://nearbypermits.com/boulder/address/4775-walnut-st/

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-18 08:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4775 Walnut St: https://nearbypermits.com/boulder/address/4775-walnut-st/