# Mechanical (HVAC) permit MEC2026-00052 at 520 Marine St, Boulder

Boulder Planning and Development Services permit MEC2026-00052: issued Jan 13, 2026 for mechanical (hvac) work at 520 Marine St. replacement furnace Re: Historic District-No work is going to be done on the outside of the home' 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: MEC2026-00052
- Issued: Jan 13, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Finished (city: Letter of Completion)
- Reported cost: $8,539
- ZIP code: 80302
- All permits at this address: https://nearbypermits.com/boulder/address/520-marine-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 16:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 520 Marine St: https://nearbypermits.com/boulder/address/520-marine-st/