# Building permits at 3240 6th St, Boulder, CO

Two permits here in the last two years. The newest, Apr 27: Nfpa13d in ADU. 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 |
|---|---|---|---|---|
| Apr 27, 2026 | Fire systems | nfpa13d in ADU | $3,100 | [FIR2026-00153](https://nearbypermits.com/boulder/permit/FIR2026-00153/) |
| Feb 23, 2026 | Fence, wall or deck | The scope involves the conversion of an existing garage into a market rate ADU with one bathroom, one kitchenette, and a studio style living/bed room. Additionally, a small exterior porch roof on the south side of the ADU will be constructed. Extending existing utility systems from the existing main | $75,000 | [BLD-ACC2025-00105](https://nearbypermits.com/boulder/permit/BLD-ACC2025-00105/) |

## More on this street

Other addresses on 6th St with permits, nearest house number first:

- [3235 6th St](https://nearbypermits.com/boulder/address/3235-6th-st/): newest permit Jun 9, 2025
- [3255 6th St](https://nearbypermits.com/boulder/address/3255-6th-st/): newest permit May 18, 2026
- [3265 6th St](https://nearbypermits.com/boulder/address/3265-6th-st/): newest permit May 5, 2026
- [3214 6th St](https://nearbypermits.com/boulder/address/3214-6th-st/): newest permit May 29, 2026
- [3280 6th St](https://nearbypermits.com/boulder/address/3280-6th-st/): newest permit Jul 22, 2026
- [3285 6th St](https://nearbypermits.com/boulder/address/3285-6th-st/): newest permit Feb 2, 2026
- [3180 6th St](https://nearbypermits.com/boulder/address/3180-6th-st/): newest permit Aug 20, 2026
- [3168 6th St](https://nearbypermits.com/boulder/address/3168-6th-st/): newest permit Apr 20, 2026
- [3160 6th St](https://nearbypermits.com/boulder/address/3160-6th-st/): newest permit Aug 3, 2026
- [3151 6th St](https://nearbypermits.com/boulder/address/3151-6th-st/): newest permit Aug 31, 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 17:37 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/3240-6th-st/