# Building permits at 435 Maxwell Ave, Boulder, CO

One permit here in the last two years. The newest, Apr 23, 2025: Installing single zone mini split heat pump. 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 |
|---|---|---|---|---|
| Apr 23, 2025 | Mechanical (HVAC) | Installing single zone mini split heat pump | $3,528 | [MEC2025-00611](https://nearbypermits.com/boulder/permit/MEC2025-00611/) |

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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 08:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/435-maxwell-ave/