# Building permits at 3890 Carlock Dr, Boulder, CO

Two permits here in the last two years. The newest, May 2, 2025: Installing a 18 k outdoor heat pump w/ 2 indoor heads mini split system. 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 |
|---|---|---|---|---|
| May 2, 2025 | Mechanical (HVAC) | Installing a 18 k outdoor heat pump w/ 2 indoor heads mini split system. Aftermath Electric | $14,193 | [MEC2025-00691](https://nearbypermits.com/boulder/permit/MEC2025-00691/) |
| Nov 25, 2024 | Mechanical (HVAC) | Replace boiler with high-efficiency boiler | $9,500 | [MEC2024-01718](https://nearbypermits.com/boulder/permit/MEC2024-01718/) |

## More on this street

Other addresses on Carlock Dr with permits, nearest house number first:

- [3900 Carlock Dr](https://nearbypermits.com/boulder/address/3900-carlock-dr/): newest permit May 28, 2025
- [3800 Carlock Dr](https://nearbypermits.com/boulder/address/3800-carlock-dr/): newest permit Feb 25, 2026
- [4000 Carlock Dr](https://nearbypermits.com/boulder/address/4000-carlock-dr/): newest permit Sep 15, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 15:11 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/3890-carlock-dr/