*Addition and remodel of existing residence
Addition at 70 S 31st St, Boulder
Boulder Planning and Development Services permit BLD-SFD2020-00371: issued Feb 22, 2021 for addition work at 70 S 31st St. *Addition and remodel of existing residence, resulting in 4 bedrooms (includes 'office' at first floor). Approved under HIS2020-00196.
- Permit number
- BLD-SFD2020-00371
- Issued
- Type of work
- Addition
- Status
- Finished
- Reported cost
- $312,831
- ZIP code
- 80305
- 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 70 S 31st St, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 8, 2026. We checked it Oct 8, 19:02 UTC. See the city's official records.
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