# Mechanical (HVAC) permit MEC2025-00319 at 420 S 42nd St, Boulder

Boulder Planning and Development Services permit MEC2025-00319: issued Mar 4, 2025 for mechanical (hvac) work at 420 S 42nd St. Replacement furnace 97% AFUE 70,000 BTU. Replacement air conditioner 15 SEER2 2.5 tons. Replacement water heater 50 gallon 0.63 UEF.

- Permit number: MEC2025-00319
- Issued: Mar 4, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Finished (city: Letter of Completion)
- Reported cost: $15,482
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/420-s-42nd-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-12 01:20 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 420 S 42nd St: https://nearbypermits.com/boulder/address/420-s-42nd-st/