# Building permits at 3210 20th St, Boulder, CO

Six permits on record here. The newest, Jun 15: Electrical mast needs to be raised to 8ft to clear walkable roof. 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 15, 2026 | Electrical | Electrical mast needs to be raised to 8ft to clear walkable roof. | $1,500 | [ELE2026-00527](https://nearbypermits.com/boulder/permit/ELE2026-00527/) |
| Aug 15, 2025 | Addition | 11/19/25 Revision to remove wall and man door to accommodate the new electrical panel location Demo & rebuild an existing 1-car carport and the addition of a covered porch, and covered patios to an existing single family residence. New shed to be by separate permit. | $78,960 | [BLD-SFD2024-00353](https://nearbypermits.com/boulder/permit/BLD-SFD2024-00353/) |
| Oct 20, 2015 | Mechanical (HVAC) | Replacement Low Pressure Boiler | $12,000 | [PMT2015-20318-MEC](https://nearbypermits.com/boulder/permit/PMT2015-20318-MEC/) |
| Aug 9, 2006 | Roofing | Total tear-off and reroof of SFD, 28 squares, on a pitch represented as 4/12. | $5,900 | [PMT2006-03273-RFG](https://nearbypermits.com/boulder/permit/PMT2006-03273-RFG/) |
| Mar 15, 2006 | Mechanical (HVAC) | New high pressure boiler 180K BTU | $9,500 | [PMT2006-00889-MEC](https://nearbypermits.com/boulder/permit/PMT2006-00889-MEC/) |
| Aug 23, 1989 | Mechanical (HVAC) | Mechanical SPACE HEATER | $1,417 | [PMT1989-P4939-MEC](https://nearbypermits.com/boulder/permit/PMT1989-P4939-MEC/) |

## More on this street

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

- [3260 20th St](https://nearbypermits.com/boulder/address/3260-20th-st/): newest permit Mar 14, 2025
- [3145 20th St](https://nearbypermits.com/boulder/address/3145-20th-st/): newest permit Sep 18, 2026
- [3125 20th St](https://nearbypermits.com/boulder/address/3125-20th-st/): newest permit Jun 13, 2025
- [3115 20th St](https://nearbypermits.com/boulder/address/3115-20th-st/): newest permit Dec 16, 2025
- [3110 20th St](https://nearbypermits.com/boulder/address/3110-20th-st/): newest permit Jul 28, 2025
- [2980 20th St](https://nearbypermits.com/boulder/address/2980-20th-st/): newest permit Jan 6, 2025
- [2940 20th St](https://nearbypermits.com/boulder/address/2940-20th-st/): newest permit Jan 7, 2026
- [2840 20th St](https://nearbypermits.com/boulder/address/2840-20th-st/): newest permit Jun 24, 2026
- [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

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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 17:16 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/3210-20th-st/