# Building permits at 645 Northstar Ct, Boulder, CO

Four permits on record here. The newest, Feb 19: Replace main electrical panel & 2 subpanels & upgrade service (100A->200). 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 |
|---|---|---|---|---|
| Feb 19, 2026 | Electrical | Replace main electrical panel & 2 subpanels & upgrade service (100A->200) | $12,000 | [ELE2026-00158](https://nearbypermits.com/boulder/permit/ELE2026-00158/) |
| Feb 5, 2025 | Mechanical (HVAC) | VOID - 180 Days no activity Replace water heater - new 50 gal gas water heater (34MBH/0.62UEF) | $3,766 | [MEC2025-00177](https://nearbypermits.com/boulder/permit/MEC2025-00177/) |
| Mar 13, 2015 | Mechanical (HVAC) | Replacement Forced Air Furnace, Replacement Comfort Cooling | $9,798 | [PMT2015-20082-MEC](https://nearbypermits.com/boulder/permit/PMT2015-20082-MEC/) |
| Apr 10, 1990 | Alteration or repair | Bath & laundry. The original general permit number is p9540. | $2,500 | [PMT1990-P9540](https://nearbypermits.com/boulder/permit/PMT1990-P9540/) |

## 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 Northstar Ct with permits, nearest house number first:

- [635 Northstar Ct](https://nearbypermits.com/boulder/address/635-northstar-ct/): newest permit Jul 21, 2026
- [685 Northstar Ct](https://nearbypermits.com/boulder/address/685-northstar-ct/): newest permit Sep 22, 2025
- [695 Northstar Ct](https://nearbypermits.com/boulder/address/695-northstar-ct/): newest permit Aug 29, 2025
- [575 Northstar Ct](https://nearbypermits.com/boulder/address/575-northstar-ct/): newest permit Jan 22, 2025
- [560 Northstar Ct](https://nearbypermits.com/boulder/address/560-northstar-ct/): newest permit Aug 21, 2026
- [535 Northstar Ct](https://nearbypermits.com/boulder/address/535-northstar-ct/): newest permit Apr 1, 2026
- [760 Northstar Ct](https://nearbypermits.com/boulder/address/760-northstar-ct/): newest permit May 18, 2026
- [525 Northstar Ct](https://nearbypermits.com/boulder/address/525-northstar-ct/): newest permit May 19, 2026
- [515 Northstar Ct](https://nearbypermits.com/boulder/address/515-northstar-ct/): newest permit Nov 5, 2024
- [510 Northstar Ct](https://nearbypermits.com/boulder/address/510-northstar-ct/): newest permit Jul 23, 2026

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 17:54 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/645-northstar-ct/