# Addition permit PMT2017-05603 at 320 20th St, Boulder

Boulder Planning and Development Services permit PMT2017-05603: issued Sep 9, 2020 for addition work at 320 20th St. Two story addition on existing foundation with refinish of existing basement. 2nd floor addition includes master suite of 619 sq. ft.; main level 1,705 sq. ft. rebuild of existing living/dining/kitchen, basement includes reconstruction of 1,612 sq. ft. of bedrooms and rec room. SEE BOZ2017-00015 FOR SETBACK VARIANCE APPROVAL *SCOPE CHANGE- 6/21/18* Entire structure demo with reconstruction 4029 sf SFD- 4 beds, 3 baths with Full MEP scope.

- Permit number: PMT2017-05603
- Issued: Sep 9, 2020
- Type of work: Addition (city: Building Permit - Single Family Detached Dwelling, Addition and Alteration)
- Status: Finished (city: Letter of Completion)
- Reported cost: $481,000
- ZIP code: Not listed
- All permits at this address: https://nearbypermits.com/boulder/address/320-20th-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 11:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 320 20th St: https://nearbypermits.com/boulder/address/320-20th-st/