# Mechanical (HVAC) permit MEC2026-01564 at 3141 9th St, Boulder

Boulder Planning and Development Services permit MEC2026-01564: issued Aug 28, 2026 for mechanical (hvac) work at 3141 9th St. Installing 2 new heat pump mini split systems. One with two heads and the other with one head 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: MEC2026-01564
- Issued: Aug 28, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Finished (city: Letter of Completion)
- Reported cost: $29,527
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/3141-9th-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 20:30 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3141 9th St: https://nearbypermits.com/boulder/address/3141-9th-st/