# Mechanical (HVAC) permit MEC2018-00521 at 4775 Walnut St, Boulder

Boulder Planning and Development Services permit MEC2018-00521: issued Jul 11, 2018 for mechanical (hvac) work at 4775 Walnut St. Permit for the "like for like" replacement of 17 RTU's on a commercial building. Twelve of the units to be 60k BTU, 5 ton, 15.2 SEER. Five of the units to be 90k BTU, 7.5 ton, 12.0 EER.

- Permit number: MEC2018-00521
- Issued: Jul 11, 2018
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Finished (city: Letter of Completion)
- Reported cost: $139,500
- ZIP code: 80301
- All permits at this address: https://nearbypermits.com/boulder/address/4775-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 11:47 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/