# Addition permit BLD-SFD2021-00421 at 265 S 40th St, Boulder

Boulder Planning and Development Services permit BLD-SFD2021-00421: issued Jun 16, 2022 for addition work at 265 S 40th St. An upper floor addition to provide a new bedroom and bath, plus a partial remodel of the existing main floor for a new staircase. The addition will add 504 sq ft of new living space and 42 sq ft of new upper deck to an existing house with 2304 sq ft of finshed space. existing basement = 1156 sq ft existin main floor = 1148 sq ft proposed upper floor = 504 sq ft total floor area on completion = 2808 sq ft. total remodel area = 100 sq ft.

- Permit number: BLD-SFD2021-00421
- Issued: Jun 16, 2022
- Type of work: Addition (city: Building Permit - Single Family Detached Dwelling, Addition and Alteration)
- Status: Finished (city: Letter of Completion)
- Reported cost: $105,000
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/265-s-40th-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 09:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 265 S 40th St: https://nearbypermits.com/boulder/address/265-s-40th-st/