# Building permits at 2333 Keystone Ct, Boulder, CO

Six permits on record here. The newest, Jan 23: Replacement furnace. 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 |
|---|---|---|---|---|
| Jan 23, 2026 | Mechanical (HVAC) | Replacement 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 assigned i | $6,708 | [MEC2026-00124](https://nearbypermits.com/boulder/permit/MEC2026-00124/) |
| Feb 20, 2025 | Mechanical (HVAC) | New single zone Mitsubishi - 15,000 BTU, 14,000 cooling capacity, 22.2 SEER, 16,000 high heat, 12.5 HSPF. New electrical circuit for condenser. | $5,847 | [MEC2025-00266](https://nearbypermits.com/boulder/permit/MEC2025-00266/) |
| Apr 13, 2012 | Roofing | Tear-off & reroof of SFD, 23 squares of asphalt shingles on a variety of pitches. Mid-roof inspection required. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Overlay not allowed - see section R907.3 (specifically item 4) of 2006 IRC. Shingles must be approved for use on "low pitch" a | $8,000 | [PMT2012-01722-RFG](https://nearbypermits.com/boulder/permit/PMT2012-01722-RFG/) |
| Oct 7, 1998 | Alteration or repair | Install 2 skylights the original general permit number is 986838. | $800 | [PMT1998-06838](https://nearbypermits.com/boulder/permit/PMT1998-06838/) |
| Jul 17, 1998 | Addition | Addition - no plumbing the original general permit number is 984685. | $12,000 | [PMT1998-04685](https://nearbypermits.com/boulder/permit/PMT1998-04685/) |
| Jun 26, 1990 | Addition | Addtn. The original general permit number is r1142. | $3,000 | [PMT1990-R1142](https://nearbypermits.com/boulder/permit/PMT1990-R1142/) |

## More on this street

Other addresses on Keystone Ct with permits, nearest house number first:

- [2306 Keystone Ct](https://nearbypermits.com/boulder/address/2306-keystone-ct/): newest permit Jul 2, 2026
- [2414 Keystone Ct](https://nearbypermits.com/boulder/address/2414-keystone-ct/): newest permit Sep 28, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 01:06 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 6 permits at this address: https://nearbypermits.com/boulder/address/2333-keystone-ct/