# Building permits at 645 15th St, Boulder, CO

Two permits here in the last two years. The newest, May 21: All Structures must be permitted separately SOLAR DETACH AND REATTACH 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 |
|---|---|---|---|---|
| May 21, 2026 | Roofing | All Structures must be permitted separately SOLAR DETACH AND REATTACH Total tear-off & reroof of SFD, 30 squares of dimensional shingles 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) | $17,250 | [RFG2026-00469](https://nearbypermits.com/boulder/permit/RFG2026-00469/) |
| Feb 19, 2026 | Mechanical (HVAC) | Replace tankless electric water heater, replace gas tankless water heater. Add 3 circuits for new electric water heater in crawlspace PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facili | $10,469 | [MEC2026-00266](https://nearbypermits.com/boulder/permit/MEC2026-00266/) |

## More on this street

Other addresses on 15th St with permits, nearest house number first:

- [764 15th St](https://nearbypermits.com/boulder/address/764-15th-st/): newest permit Nov 1, 2024
- [498 15th St](https://nearbypermits.com/boulder/address/498-15th-st/): newest permit Sep 11, 2026
- [820 15th St](https://nearbypermits.com/boulder/address/820-15th-st/): newest permit Nov 18, 2025
- [851 15th St](https://nearbypermits.com/boulder/address/851-15th-st/): newest permit Oct 27, 2025
- [876 15th St](https://nearbypermits.com/boulder/address/876-15th-st/): newest permit May 28, 2025
- [888 15th St](https://nearbypermits.com/boulder/address/888-15th-st/): newest permit Dec 17, 2024
- [915 15th St](https://nearbypermits.com/boulder/address/915-15th-st/): newest permit Jul 28, 2026
- [921 15th St](https://nearbypermits.com/boulder/address/921-15th-st/): newest permit Jun 11, 2026
- [937 15th St](https://nearbypermits.com/boulder/address/937-15th-st/): newest permit Sep 5, 2025
- [1020 15th St](https://nearbypermits.com/boulder/address/1020-15th-st/): newest permit Nov 7, 2024

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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 15:29 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/645-15th-st/