# Building permits at 730 31st St, Boulder, CO

Five permits on record here. The newest, Oct 7: Upgrade the electrical service from 100 amps to 200 amps. 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 |
|---|---|---|---|---|
| Oct 7, 2026 | Electrical | Upgrade the electrical service from 100 amps to 200 amps | $4,300 | [ELE2026-01089](https://nearbypermits.com/boulder/permit/ELE2026-01089/) |
| Oct 15, 2018 | Mechanical (HVAC) | Install replacement furnace. | $6,072 | [MEC2018-01145](https://nearbypermits.com/boulder/permit/MEC2018-01145/) |
| Jul 25, 2018 | Mechanical (HVAC) | Install new ac | $4,199 | [MEC2018-00651](https://nearbypermits.com/boulder/permit/MEC2018-00651/) |
| Jul 25, 2018 | Electrical | Electrical for new ac install | $600 | [ELE2018-00550](https://nearbypermits.com/boulder/permit/ELE2018-00550/) |
| May 15, 2013 | Roofing | Tear-off & reroof of SFD, 18 squares of asphalt shingles on a pitch represented as 4/12. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Overlay not allowed - see section R907.3 (specifically item 4) of 2006 IRC. | $4,035 | [PMT2013-02156-RFG](https://nearbypermits.com/boulder/permit/PMT2013-02156-RFG/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

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

- [701 31st St](https://nearbypermits.com/boulder/address/701-31st-st/): newest permit Jul 21, 2026
- [765 31st St](https://nearbypermits.com/boulder/address/765-31st-st/): newest permit Oct 24, 2024
- [780 31st St](https://nearbypermits.com/boulder/address/780-31st-st/): newest permit Dec 1, 2025
- [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 Oct 7, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 15:15 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/730-31st-st/