# Building permits at 180 S 31st St, Boulder, CO

Seven permits on record here. The newest, Jun 9: All Structures must be permitted separately Greenhouse Total tear-off & reroof of SFD. 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 |
|---|---|---|---|---|
| Jun 9, 2026 | Roofing | All Structures must be permitted separately Greenhouse Total tear-off & reroof of SFD, 4 squares of poly carbonate panel on a pitch represented as 4/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof ty | $8,000 | [RFG2026-00558](https://nearbypermits.com/boulder/permit/RFG2026-00558/) |
| May 11, 2026 | Mechanical (HVAC) | Installing a 2.5 ton ducted Bryant heat pump 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 pressure test di | $17,646 | [MEC2026-00736](https://nearbypermits.com/boulder/permit/MEC2026-00736/) |
| Mar 29, 2023 | Electrical | Replacement of existing meter box with new combination 200A/250V meter/main disconnect/main panel unit | $2,500 | [ELE2023-00296](https://nearbypermits.com/boulder/permit/ELE2023-00296/) |
| Aug 18, 2010 | Electrical | Installation of 2.52 kW solar array, flush mounted and grid tied. | $17,237 | [PMT2010-03478-ELE](https://nearbypermits.com/boulder/permit/PMT2010-03478-ELE/) |
| May 26, 2010 | Roofing | After the fact - Tear-off reroof of SFD, 18 squares 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. | $9,197 | [PMT2010-02032-RFG](https://nearbypermits.com/boulder/permit/PMT2010-02032-RFG/) |
| Oct 29, 2007 | Mechanical (HVAC) | Installation of a replacement gas-fired furnace located in crawlspace. | $800 | [PMT2007-04826-MEC](https://nearbypermits.com/boulder/permit/PMT2007-04826-MEC/) |
| Aug 13, 1997 | Alteration or repair | Fire restoration- drywall gas line & elec the original general permit number i | $8,500 | [PMT1997-04904](https://nearbypermits.com/boulder/permit/PMT1997-04904/) |

## 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 S 31st St with permits, nearest house number first:

- [170 S 31st St](https://nearbypermits.com/boulder/address/170-s-31st-st/): newest permit Aug 4, 2026
- [120 S 31st St](https://nearbypermits.com/boulder/address/120-s-31st-st/): newest permit Sep 15, 2026
- [105 S 31st St](https://nearbypermits.com/boulder/address/105-s-31st-st/): newest permit Apr 9, 2026
- [90 S 31st St](https://nearbypermits.com/boulder/address/90-s-31st-st/): newest permit Dec 10, 2025
- [70 S 31st St](https://nearbypermits.com/boulder/address/70-s-31st-st/): newest permit Jul 8, 2025
- [50 S 31st St](https://nearbypermits.com/boulder/address/50-s-31st-st/): newest permit Oct 7, 2025
- [18 S 31st St](https://nearbypermits.com/boulder/address/18-s-31st-st/): newest permit Oct 7, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-11 15:13 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/180-s-31st-st/