# Mechanical (HVAC) permit MEC2026-01025 at 848 Walnut St, Boulder

Boulder Planning and Development Services permit MEC2026-01025: issued Jun 22, 2026 for mechanical (hvac) work at 848 Walnut St. Disconnect remove and recycle existing raypack boiler. furnish and install 2 new laars jx200 natural draft boilers. 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: MEC2026-01025
- Issued: Jun 22, 2026
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Finished (city: Letter of Completion)
- Reported cost: $13,231
- ZIP code: 80302
- All permits at this address: https://nearbypermits.com/boulder/address/848-walnut-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 22:23 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 848 Walnut St: https://nearbypermits.com/boulder/address/848-walnut-st/