# Mechanical (HVAC) permit MEC2018-00557 at 3633 21st St, Boulder

Boulder Planning and Development Services permit MEC2018-00557: issued Jul 5, 2018 for mechanical (hvac) work at 3633 21st St. *Installation of replacement 36k BTU ductless cooling system, like for like in same location; no structural work/changes are evident in the approved scope proposed. No approval is given or implied for any structural changes whatsoever in the scope of this permit. Any such work must receive prior review and approval. Installation per manufacturer's specifications.

- Permit number: MEC2018-00557
- Issued: Jul 5, 2018
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Finished (city: Letter of Completion)
- Reported cost: $15,000
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/3633-21st-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 18:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3633 21st St: https://nearbypermits.com/boulder/address/3633-21st-st/