# Building permits at 2817 Lagrange Cir, Boulder, CO

Two permits on record here. The newest, Sep 29: 80% 80K btu 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 |
|---|---|---|---|---|
| Sep 29, 2026 | Mechanical (HVAC) | 80% 80K btu furnace replacement, 17 seer 2.5 ton ac replacement - like for like - disconnect and reconnect ac 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 proc | $24,193 | [MEC2026-01812](https://nearbypermits.com/boulder/permit/MEC2026-01812/) |
| Apr 9, 2019 | Electrical | Add sub-panel within existing attached 2-car garage for 240 circuit and 120 circuit for kiln and potter's wheel. | $1,000 | [ELE2019-00403](https://nearbypermits.com/boulder/permit/ELE2019-00403/) |

## More on this street

Other addresses on Lagrange Cir with permits, nearest house number first:

- [2835 Lagrange Cir](https://nearbypermits.com/boulder/address/2835-lagrange-cir/): newest permit Feb 13, 2026
- [2880 Lagrange Cir](https://nearbypermits.com/boulder/address/2880-lagrange-cir/): newest permit Dec 29, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 20:11 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/2817-lagrange-cir/