# Building permits at 3142 29th St, Boulder, CO

Two permits on record here. The newest, Aug 10: New 3 zone mini split heat pump. 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 10, 2026 | Mechanical (HVAC) | New 3 zone mini split heat pump. Service upgrade to 200 amps. Replace meter housing and update grounding by adding 2 ground rods and bonding to main water. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo press | $17,407 | [MEC2026-01355](https://nearbypermits.com/boulder/permit/MEC2026-01355/) |
| Jun 22, 2026 | Alteration or repair | We will be replacing (2) windows in a like for like sizing manner, no structural modifications to be made. Windows will be installed as a nail flange application and to be plumb, level and square. Flanges to be covered with roll tape flashing and head flashing as required. All exterior trim to be ca | $4,224 | [BLD-SFA2026-00024](https://nearbypermits.com/boulder/permit/BLD-SFA2026-00024/) |

## More on this street

Other addresses on 29th St with permits, nearest house number first:

- [3162 29th St](https://nearbypermits.com/boulder/address/3162-29th-st/): newest permit Aug 14, 2026
- [3121 29th St](https://nearbypermits.com/boulder/address/3121-29th-st/): newest permit Mar 3, 2026
- [3103 29th St 206](https://nearbypermits.com/boulder/address/3103-29th-st-206/): newest permit May 23, 2025
- [3077 29th St 101](https://nearbypermits.com/boulder/address/3077-29th-st-101/): newest permit Aug 26, 2026
- [3061 29th St](https://nearbypermits.com/boulder/address/3061-29th-st/): newest permit Jan 13, 2026
- [3055 29th St](https://nearbypermits.com/boulder/address/3055-29th-st/): newest permit Jan 8, 2026
- [2845 29th St](https://nearbypermits.com/boulder/address/2845-29th-st/): newest permit Sep 18, 2026
- [2820 29th St 101](https://nearbypermits.com/boulder/address/2820-29th-st-101/): newest permit Nov 19, 2025
- [2757 29th St](https://nearbypermits.com/boulder/address/2757-29th-st/): newest permit Jan 30, 2025
- [2727 29th St](https://nearbypermits.com/boulder/address/2727-29th-st/): newest permit Jan 30, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 23:39 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/3142-29th-st/