# Building permits at 815 Maxwell Ave 3, Boulder, CO

Four permits on record here. The newest, Aug 11: New single 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 11, 2026 | Mechanical (HVAC) | New single mini split heat pump. 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 fuel burning a | $5,645 | [MEC2026-01400](https://nearbypermits.com/boulder/permit/MEC2026-01400/) |
| Apr 25, 2019 | Roofing | *Total tear-off & reroof of SFA, 7 squares of asphalt shingles on a pitch represented as 9/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. OC TruDef Duration Storm - Driftwood, associated with HIS2019-00108. | $2,100 | [RFG2019-00245](https://nearbypermits.com/boulder/permit/RFG2019-00245/) |
| Oct 18, 2012 | Mechanical (HVAC) | Replace gas piping. | $1,550 | [PMT2012-05028-MEC](https://nearbypermits.com/boulder/permit/PMT2012-05028-MEC/) |
| Nov 15, 1988 | Mechanical (HVAC) | Mechanical GAS PIPE ONLY | $100 | [PMT1988-N2695-MEC](https://nearbypermits.com/boulder/permit/PMT1988-N2695-MEC/) |

## More on this street

Other addresses on Maxwell Ave with permits, nearest house number first:

- [818 Maxwell Ave](https://nearbypermits.com/boulder/address/818-maxwell-ave/): newest permit Oct 24, 2024
- [806 Maxwell Ave](https://nearbypermits.com/boulder/address/806-maxwell-ave/): newest permit Dec 11, 2025
- [826 Maxwell Ave](https://nearbypermits.com/boulder/address/826-maxwell-ave/): newest permit Jun 15, 2026
- [834 Maxwell Ave](https://nearbypermits.com/boulder/address/834-maxwell-ave/): newest permit Apr 27, 2026
- [900 Maxwell Ave](https://nearbypermits.com/boulder/address/900-maxwell-ave/): newest permit Jul 16, 2026
- [716 Maxwell Ave](https://nearbypermits.com/boulder/address/716-maxwell-ave/): newest permit Oct 14, 2025
- [707 Maxwell Ave](https://nearbypermits.com/boulder/address/707-maxwell-ave/): newest permit Nov 19, 2025
- [937 Maxwell Ave](https://nearbypermits.com/boulder/address/937-maxwell-ave/): newest permit Nov 24, 2025
- [665 Maxwell Ave](https://nearbypermits.com/boulder/address/665-maxwell-ave/): newest permit Oct 27, 2025
- [661 Maxwell Ave](https://nearbypermits.com/boulder/address/661-maxwell-ave/): newest permit Jun 26, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 23:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/815-maxwell-ave-3/