# Building permits at 3111 4th St, Boulder, CO

Eight permits on record here. The newest, Aug 3: Replacement of heat pump x2 with associated electrical PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL. 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 |
|---|---|---|---|---|
| Aug 3, 2026 | Mechanical (HVAC) | Replacement of heat pump x2 with associated electrical PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressu | $33,688 | [MEC2026-01314](https://nearbypermits.com/boulder/permit/MEC2026-01314/) |
| Aug 19, 2010 | Electrical | Installation of 5 kW tilted solar array. | $25,000 | [PMT2010-02657-ELE](https://nearbypermits.com/boulder/permit/PMT2010-02657-ELE/) |
| May 12, 2009 | Plumbing | New SFD with attached garage (See ADR2009-00007 for driveway approval).3,982 sf of finished space with 40 sf unfinished and a 669 sf garage. Permit also includes 1,200 sf of decks and patios. | $20,000 | [PMT2009-00357-PLB](https://nearbypermits.com/boulder/permit/PMT2009-00357-PLB/) |
| May 12, 2009 | Mechanical (HVAC) | New SFD with attached garage (See ADR2009-00007 for driveway approval).3,982 sf of finished space with 40 sf unfinished and a 669 sf garage. Permit also includes 1,200 sf of decks and patios. | $20,000 | [PMT2009-00357-MEC](https://nearbypermits.com/boulder/permit/PMT2009-00357-MEC/) |
| May 12, 2009 | Electrical | New SFD with attached garage (See ADR2009-00007 for driveway approval).3,982 sf of finished space with 40 sf unfinished and a 669 sf garage. Permit also includes 1,200 sf of decks and patios. | $20,000 | [PMT2009-00357-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00357-ELE/) |
| May 12, 2009 | New building | New SFD with attached garage (See ADR2009-00007 for driveway approval).3,982 sf of finished space with 40 sf unfinished and a 669 sf garage. Permit also includes 1,200 sf of decks and patios. | $403,315 | [PMT2009-00357](https://nearbypermits.com/boulder/permit/PMT2009-00357/) |
| Feb 17, 2009 | Demolition | Full structure demolition of a SFD, 1400 sf with a detached garage. | Not listed | [PMT2009-00505-DEM](https://nearbypermits.com/boulder/permit/PMT2009-00505-DEM/) |
| Jan 21, 2009 | Electrical | Temporay construction power. | Not listed | [PMT2009-00203-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00203-ELE/) |

## More on this street

Other addresses on 4th St with permits, nearest house number first:

- [3122 4th St](https://nearbypermits.com/boulder/address/3122-4th-st/): newest permit Sep 18, 2026
- [3084 4th St](https://nearbypermits.com/boulder/address/3084-4th-st/): newest permit Nov 25, 2024
- [3077 4th St](https://nearbypermits.com/boulder/address/3077-4th-st/): newest permit Feb 6, 2025
- [3074 4th St](https://nearbypermits.com/boulder/address/3074-4th-st/): newest permit Mar 13, 2025
- [3062 4th St](https://nearbypermits.com/boulder/address/3062-4th-st/): newest permit Aug 12, 2026
- [3160 4th St](https://nearbypermits.com/boulder/address/3160-4th-st/): newest permit Oct 6, 2025
- [3057 4th St](https://nearbypermits.com/boulder/address/3057-4th-st/): newest permit Dec 16, 2025
- [3056 4th St](https://nearbypermits.com/boulder/address/3056-4th-st/): newest permit Dec 12, 2024
- [3171 4th St](https://nearbypermits.com/boulder/address/3171-4th-st/): newest permit Sep 8, 2026
- [3044 4th St](https://nearbypermits.com/boulder/address/3044-4th-st/): newest permit Mar 23, 2026

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 12:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 8 permits at this address: https://nearbypermits.com/boulder/address/3111-4th-st/