# Building permits at 725 Union Ave, Boulder, CO

One permit here in the last two years. The newest, Dec 19, 2025: Furnace replacement New Installation of: New 96% Efficient 2-Stage Furnace 80BTU Heat Pump Add On New 20 SEER. 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 |
|---|---|---|---|---|
| Dec 19, 2025 | Mechanical (HVAC) | Furnace replacement New Installation of: New 96% Efficient 2-Stage Furnace 80BTU Heat Pump Add On New 20 SEER 3 Ton New Line Set Dedicated circuit for heat pump 240V PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must und | $19,781 | [MEC2025-02233](https://nearbypermits.com/boulder/permit/MEC2025-02233/) |

## More on this street

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

- [770 Union Ave](https://nearbypermits.com/boulder/address/770-union-ave/): newest permit May 1, 2025
- [792 Union Ave](https://nearbypermits.com/boulder/address/792-union-ave/): newest permit Nov 19, 2024
- [800 Union Ave](https://nearbypermits.com/boulder/address/800-union-ave/): newest permit Feb 3, 2025
- [830 Union Ave](https://nearbypermits.com/boulder/address/830-union-ave/): newest permit Oct 2, 2026
- [840 Union Ave](https://nearbypermits.com/boulder/address/840-union-ave/): newest permit Mar 3, 2026
- [855 Union Ave](https://nearbypermits.com/boulder/address/855-union-ave/): newest permit May 7, 2026
- [592 Union Ave](https://nearbypermits.com/boulder/address/592-union-ave/): newest permit Jun 12, 2026
- [590 Union Ave](https://nearbypermits.com/boulder/address/590-union-ave/): newest permit Jun 15, 2026
- [860 Union Ave](https://nearbypermits.com/boulder/address/860-union-ave/): newest permit Sep 21, 2026
- [862 Union Ave](https://nearbypermits.com/boulder/address/862-union-ave/): newest permit Jul 9, 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 22:47 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/725-union-ave/