# Building permits at 780 31st St, Boulder, CO

Seven permits on record here. The newest, Dec 1, 2025: VOID- 180 Days no activity Furnace replacement. 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 |
|---|---|---|---|---|
| Dec 1, 2025 | Mechanical (HVAC) | VOID- 180 Days no activity Furnace replacement. Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the electrical scope. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for | $4,782 | [MEC2025-02065](https://nearbypermits.com/boulder/permit/MEC2025-02065/) |
| Mar 7, 2022 | Roofing | Total tear-off & reroof of SFD, 19.86 squares of asphalt shingles on a pitch represented as 4/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as tested in accordance wi | $9,428 | [RFG2022-00158](https://nearbypermits.com/boulder/permit/RFG2022-00158/) |
| Sep 30, 2015 | Electrical | Installation of a flush mount 3.64 kW PV system on the roof of a single family dwelling in two arrays. | $6,807 | [PMT2015-04293-ELE](https://nearbypermits.com/boulder/permit/PMT2015-04293-ELE/) |
| Jul 10, 2013 | Plumbing | Interior remodel of 229 square feet to remodel kitchen and add new master bathroom and laundry room. To include removal of finish in garage area to return to garage use. Upgrade of electrical service to 200 amps. Replacement of forced air furnace, replacement of water heater, and new a/c. Associated | $3,000 | [PMT2013-03206-PLB](https://nearbypermits.com/boulder/permit/PMT2013-03206-PLB/) |
| Jul 10, 2013 | Mechanical (HVAC) | Interior remodel of 229 square feet to remodel kitchen and add new master bathroom and laundry room. To include removal of finish in garage area to return to garage use. Upgrade of electrical service to 200 amps. Replacement of forced air furnace, replacement of water heater, and new a/c. Associated | $4,000 | [PMT2013-03206-MEC](https://nearbypermits.com/boulder/permit/PMT2013-03206-MEC/) |
| Jul 10, 2013 | Electrical | Interior remodel of 229 square feet to remodel kitchen and add new master bathroom and laundry room. To include removal of finish in garage area to return to garage use. Upgrade of electrical service to 200 amps. Replacement of forced air furnace, replacement of water heater, and new a/c. Associated | $3,000 | [PMT2013-03206-ELE](https://nearbypermits.com/boulder/permit/PMT2013-03206-ELE/) |
| Jul 10, 2013 | Alteration or repair | Interior remodel of 229 square feet to remodel kitchen and add new master bathroom and laundry room. To include removal of finish in garage area to return to garage use. Upgrade of electrical service to 200 amps. Replacement of forced air furnace, replacement of water heater, and new a/c. Associated | $30,000 | [PMT2013-03206](https://nearbypermits.com/boulder/permit/PMT2013-03206/) |

## More on this street

Other addresses on 31st St with permits, nearest house number first:

- [765 31st St](https://nearbypermits.com/boulder/address/765-31st-st/): newest permit Oct 24, 2024
- [701 31st St](https://nearbypermits.com/boulder/address/701-31st-st/): newest permit Jul 21, 2026
- [330 31st St](https://nearbypermits.com/boulder/address/330-31st-st/): newest permit Oct 8, 2025
- [320 31st St](https://nearbypermits.com/boulder/address/320-31st-st/): newest permit Nov 6, 2024
- [270 31st St](https://nearbypermits.com/boulder/address/270-31st-st/): newest permit Jun 11, 2026
- [260 31st St](https://nearbypermits.com/boulder/address/260-31st-st/): newest permit Jul 21, 2025
- [235 31st St](https://nearbypermits.com/boulder/address/235-31st-st/): newest permit Mar 9, 2026
- [225 31st St](https://nearbypermits.com/boulder/address/225-31st-st/): newest permit Aug 28, 2026
- [137 31st St](https://nearbypermits.com/boulder/address/137-31st-st/): newest permit Jul 29, 2025
- [2255 31st St](https://nearbypermits.com/boulder/address/2255-31st-st/): newest permit Jul 31, 2026

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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 06:50 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 7 permits at this address: https://nearbypermits.com/boulder/address/780-31st-st/