# Mechanical (HVAC) permit MEC2025-00350 at 3141 6th St, Boulder

Boulder Planning and Development Services permit MEC2025-00350: issued Mar 11, 2025 for mechanical (hvac) work at 3141 6th St. VOID- 180 Days no activity Replace furnace & WH - new 50 gal gas water heater (40MBH/0.63UEF) + 80K BTU 80% furnace (like for like) [FURNACE IN CRAWLSPACE] [1 of 2 sets of systems].

- Permit number: MEC2025-00350
- Issued: Mar 11, 2025
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical HVAC/Solar)
- Status: Cancelled (city: Void)
- Reported cost: $8,722
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/3141-6th-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 01:29 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3141 6th St: https://nearbypermits.com/boulder/address/3141-6th-st/