# Building permits at 780 9th St, Boulder, CO

Seven permits on record here. The newest, Mar 30: Replacement furnace and heat pump replacing air conditioner. 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 |
|---|---|---|---|---|
| Mar 30, 2026 | Mechanical (HVAC) | Replacement furnace and heat pump replacing air conditioner. 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  | $17,761 | [MEC2026-00474](https://nearbypermits.com/boulder/permit/MEC2026-00474/) |
| Feb 8, 2017 | Mechanical (HVAC) | Owner Contractor: Mechanical permit to install a new gas fireplace insert in an existing masonry fireplace. Installation per manufacturer's specifications. | $1,050 | [PMT2017-00440-MEC](https://nearbypermits.com/boulder/permit/PMT2017-00440-MEC/) |
| Aug 24, 2011 | Electrical | Installation of a 2.6 kW solar array, flush mounted and grid tied. | $9,200 | [PMT2011-03621-ELE](https://nearbypermits.com/boulder/permit/PMT2011-03621-ELE/) |
| Aug 22, 2011 | Mechanical (HVAC) | Replacement forced air furnace and 3 ton A/C unit | $4,638 | [PMT2011-03531-MEC](https://nearbypermits.com/boulder/permit/PMT2011-03531-MEC/) |
| Sep 20, 2001 | Roofing | Re-roof single-family residence with 40-yr. dimensional. Permit extended to allow corrections to previously installed roofing. | $3,800 | [PMT2001-04158-RFG](https://nearbypermits.com/boulder/permit/PMT2001-04158-RFG/) |
| Jul 12, 1989 | Electrical | Electrical service change | $500 | [PMT1989-P3867-ELE](https://nearbypermits.com/boulder/permit/PMT1989-P3867-ELE/) |
| Jun 1, 1988 | Roofing | Roofing REROOF | $617 | [PMT1988-M8640-RFG](https://nearbypermits.com/boulder/permit/PMT1988-M8640-RFG/) |

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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 08:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 7 permits at this address: https://nearbypermits.com/boulder/address/780-9th-st/
