# Building permits at 4370 Drew Cir, Boulder, CO

One permit here in the last two years. The newest, Apr 17: ESS battery. 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 17, 2026 | Electrical | ESS battery. Installation of one Tesla Powerwall 3 battery, retrofit to an existing PV solar system. Including install of new subpanel (125A BUS, MLO, 240V). | $9,880 | [ELE2026-00365](https://nearbypermits.com/boulder/permit/ELE2026-00365/) |

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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 19:12 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/4370-drew-cir/