Two story addition on existing foundation with refinish of existing basement
Addition 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
- Type of work
- Addition
- Status
- Finished
- Reported cost
- $481,000
- ZIP code
- Not listed
- City's category
- Building Permit - Single Family Detached Dwelling, Addition and Alteration
- City's status
- Letter of Completion
- Source
- Boulder Planning and Development Services permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 320 20th St, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 19:01 UTC. See the city's official records.
For agents and scripts: This page as Markdown · JSON