# Mechanical (HVAC) permit MEC2025-01614 at 18 S 31st St, Boulder

Boulder Planning and Development Services permit MEC2025-01614: issued Oct 7, 2025 for mechanical (hvac) work at 18 S 31st St. Voided for inactivity - no inspection within 180 days Boiler replacement 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: MEC2025-01614
- Issued: Oct 7, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Cancelled (city: Void)
- Reported cost: $19,800
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/18-s-31st-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 05:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 18 S 31st St: https://nearbypermits.com/boulder/address/18-s-31st-st/