# Building permits at 2840 20th St, Boulder, CO

Three permits on record here. The newest, Jun 24: Mitsubishi Mini Split-5 ceiling cassettes to 1 outdoor condenser Does not include electrical supply to. 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 24, 2026 | Mechanical (HVAC) | Mitsubishi Mini Split-5 ceiling cassettes to 1 outdoor condenser Does not include electrical supply to outdoor unit. To be done by another PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To f | $15,561 | [MEC2026-01015](https://nearbypermits.com/boulder/permit/MEC2026-01015/) |
| Jan 12, 2022 | Roofing | Partial tear-off & reroof of SFD due to wind damage, 8 squares of dimensional shingles on a pitch represented as 4/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as te | $8,200 | [RFG2022-00009](https://nearbypermits.com/boulder/permit/RFG2022-00009/) |
| Dec 6, 2017 | Roofing | Partial tear-off & reroof of the west and east facing slopes of the existing SFD, 15 squares of asphalt shingles on a pitch represented as 5/12. All roof materials shall be installed per manufacturer's specs. | $4,200 | [PMT2017-05387-RFG](https://nearbypermits.com/boulder/permit/PMT2017-05387-RFG/) |

## More on this street

Other addresses on 20th St with permits, nearest house number first:

- [2831 20th St](https://nearbypermits.com/boulder/address/2831-20th-st/): newest permit Dec 18, 2024
- [2810 20th St](https://nearbypermits.com/boulder/address/2810-20th-st/): newest permit Jan 13, 2026
- [2800 20th St](https://nearbypermits.com/boulder/address/2800-20th-st/): newest permit Jun 25, 2025
- [2940 20th St](https://nearbypermits.com/boulder/address/2940-20th-st/): newest permit Jan 7, 2026
- [2980 20th St](https://nearbypermits.com/boulder/address/2980-20th-st/): newest permit Jan 6, 2025
- [3110 20th St](https://nearbypermits.com/boulder/address/3110-20th-st/): newest permit Jul 28, 2025
- [3115 20th St](https://nearbypermits.com/boulder/address/3115-20th-st/): newest permit Dec 16, 2025
- [3125 20th St](https://nearbypermits.com/boulder/address/3125-20th-st/): newest permit Jun 13, 2025
- [3145 20th St](https://nearbypermits.com/boulder/address/3145-20th-st/): newest permit Sep 18, 2026
- [3210 20th St](https://nearbypermits.com/boulder/address/3210-20th-st/): newest permit Jun 15, 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 22:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/2840-20th-st/