# Mechanical (HVAC) permit PMT1990-P9663-MEC at 311 Mapleton Ave, Boulder

Boulder Planning and Development Services permit PMT1990-P9663-MEC: issued Apr 16, 1990 for mechanical (hvac) work at 311 Mapleton Ave. Mechanical psych unit rmdl HVAC.

- Permit number: PMT1990-P9663-MEC
- Issued: Apr 16, 1990
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Finished (city: Letter of Completion)
- Reported cost: $27,714
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/311-mapleton-ave/

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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 16:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 311 Mapleton Ave: https://nearbypermits.com/boulder/address/311-mapleton-ave/