# Building permits at 3900 Carlock Dr, Boulder, CO

Three permits on record here. The newest, May 28, 2025: Building an addition of a gable style sunroom on a new deck. 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 28, 2025 | Addition | Building an addition of a gable style sunroom on a new deck. Room to be approx. 12.25X15 sq ft | $71,108 | [BLD-SFD2024-00373](https://nearbypermits.com/boulder/permit/BLD-SFD2024-00373/) |
| Mar 21, 2014 | Mechanical (HVAC) | Replacement Low Pressure Boiler | $4,604 | [PMT2014-20111-MEC](https://nearbypermits.com/boulder/permit/PMT2014-20111-MEC/) |
| May 27, 2005 | Roofing | Total tearoff and reroof. | $3,550 | [PMT2005-02049-RFG](https://nearbypermits.com/boulder/permit/PMT2005-02049-RFG/) |

## More on this street

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

- [3890 Carlock Dr](https://nearbypermits.com/boulder/address/3890-carlock-dr/): newest permit May 2, 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 08:48 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/3900-carlock-dr/