# Mechanical (HVAC) permit MEC2025-01601 at 2921 21st St, Boulder

Boulder Planning and Development Services permit MEC2025-01601: issued Oct 7, 2025 for mechanical (hvac) work at 2921 21st St. replace failed 50 gallon gas water heater with similar unit 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: MEC2025-01601
- Issued: Oct 7, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Finished (city: Letter of Completion)
- Reported cost: $3,800
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/2921-21st-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 05:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 2921 21st St: https://nearbypermits.com/boulder/address/2921-21st-st/