# Mechanical (HVAC) permit MEC2025-01775 at 661 Maxwell Ave B, Boulder

Boulder Planning and Development Services permit MEC2025-01775: issued Oct 21, 2025 for mechanical (hvac) work at 661 Maxwell Ave B. *Voided for inactivity - no inspections for 180 days* Mitsubishi heat pump & AC. 2 wall units to 1 outdoor condenser. All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assigned inspector on the day the rough mechanical inspection is scheduled. Approved tests: 10 ft water test, 5 PSI positive pressure, or Negative 5 psi air pressure test for 15 Minutes.

- Permit number: MEC2025-01775
- Issued: Oct 21, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Cancelled (city: Void)
- Reported cost: $6,616
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/661-maxwell-ave-b/

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 19:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 661 Maxwell Ave B: https://nearbypermits.com/boulder/address/661-maxwell-ave-b/