# Mechanical (HVAC) permit MEC2025-02030 at 3121 7th St, Boulder

Boulder Planning and Development Services permit MEC2025-02030: issued Nov 18, 2025 for mechanical (hvac) work at 3121 7th St. VOID- 180 Days no activity YORK FURNACE (90%) CRAWLSPACE Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the electrical scope. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: 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: MEC2025-02030
- Issued: Nov 18, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Cancelled (city: Void)
- Reported cost: $2,590
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/3121-7th-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 16:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3121 7th St: https://nearbypermits.com/boulder/address/3121-7th-st/