# Mechanical (HVAC) permit MEC2024-00006 at 520 Marine St, Boulder

Boulder Planning and Development Services permit MEC2024-00006: issued Jan 3, 2024 for mechanical (hvac) work at 520 Marine St. Install a new 4 zone Mitsubishi mini split heat pump system. 48,000 BTU cooling/54,000 BTU heating / 23.00 SEER. 200 amp overhead service change. Convert cellar panel to junction box. Install new 200 amp 40 circuit panel. Complete grounding and bonding. Install whole home surge protection. Landmark Alteration Certificate applied for and approved. Attached to this permit application.

- Permit number: MEC2024-00006
- Issued: Jan 3, 2024
- Type of work: Mechanical (HVAC) (city: Mechanical Permit, Mechanical with Electrical)
- Status: Finished (city: Letter of Completion)
- Reported cost: $19,281
- ZIP code: 80302
- All permits at this address: https://nearbypermits.com/boulder/address/520-marine-st/

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 07:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 520 Marine St: https://nearbypermits.com/boulder/address/520-marine-st/