# Building permits at 3820 Colorado Ave E, Boulder, CO

One permit here in the last two years. The newest, Oct 30, 2024: Replacement AC, water heater, and humidifier. 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, 2024 | Mechanical (HVAC) | Replacement AC, water heater, and humidifier. Lennox Merit Single Stage Air Conditioner - Up to 14 SEER rating, 2-ton cooling capacity. Water heater - 50 gallon, 40,000 BTU. Reuse electrical circuit for condenser. | $7,438 | [MEC2024-01584](https://nearbypermits.com/boulder/permit/MEC2024-01584/) |

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 09:12 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/3820-colorado-ave-e/