# Building permits at 425 Poplar Ave, Boulder, CO

Two permits here in the last two years. The newest, Jun 10: Install Heat Pump Furnace PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new. 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 |
|---|---|---|---|---|
| Jun 10, 2026 | Mechanical (HVAC) | Install Heat Pump Furnace 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 process, please provide photographic evidence of the pressure test directly to the assig | $8,530 | [MEC2026-00947](https://nearbypermits.com/boulder/permit/MEC2026-00947/) |
| Sep 3, 2025 | Mechanical (HVAC) | *Voided for inactivity - no inspections for 180 days* Replace Furnace with Like for Like. Haul away old Furnace. Goodman Furnace: 96% Two Stage: 100K BTU PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressur | $11,507 | [MEC2025-01446](https://nearbypermits.com/boulder/permit/MEC2025-01446/) |

## More on this street

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

- [600 Poplar Ave](https://nearbypermits.com/boulder/address/600-poplar-ave/): newest permit May 20, 2025
- [636 Poplar Ave](https://nearbypermits.com/boulder/address/636-poplar-ave/): newest permit Nov 12, 2025
- [640 Poplar Ave](https://nearbypermits.com/boulder/address/640-poplar-ave/): newest permit Apr 17, 2026
- [650 Poplar Ave](https://nearbypermits.com/boulder/address/650-poplar-ave/): newest permit May 14, 2026
- [656 Poplar Ave](https://nearbypermits.com/boulder/address/656-poplar-ave/): newest permit Oct 5, 2026
- [665 Poplar Ave](https://nearbypermits.com/boulder/address/665-poplar-ave/): newest permit Apr 27, 2026
- [668 Poplar Ave](https://nearbypermits.com/boulder/address/668-poplar-ave/): newest permit Dec 6, 2024
- [700 Poplar Ave](https://nearbypermits.com/boulder/address/700-poplar-ave/): newest permit Apr 28, 2025
- [760 Poplar Ave](https://nearbypermits.com/boulder/address/760-poplar-ave/): newest permit May 28, 2025
- [777 Poplar Ave 737](https://nearbypermits.com/boulder/address/777-poplar-ave-737/): 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 2026-10-07 20:35 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/425-poplar-ave/