# Building permits at 360 18th St, Boulder, CO

Two permits on record here. The newest, Oct 30, 2025: Installing 4 ton Mitsubishi heat pump system All new plastic glued vents for fuel burning appliances must. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 30, 2025 | Mechanical (HVAC) | Installing 4 ton Mitsubishi heat pump system 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 inspe | $15,370 | [MEC2025-01767](https://nearbypermits.com/boulder/permit/MEC2025-01767/) |
| Aug 12, 2025 | Electrical | PV roof mounted system w/ ESS & MPU | $38,237 | [ELE2025-00671](https://nearbypermits.com/boulder/permit/ELE2025-00671/) |

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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 10:43 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Both permits at this address: https://nearbypermits.com/boulder/address/360-18th-st/