Conversion of an existing 1-story
Fence, wall or deck at 225 31st St, Boulder
Boulder Planning and Development Services permit BLD-ACC2026-00034: issued Aug 28, 2026 for fence, wall or deck work at 225 31st St. Conversion of an existing 1-story, detached studio into an accessory dwelling unit (adu). Interior alterations/remodel to 134 sf of the existing 676 sf detached studio, w/ associated mechanical, electrical & plumbing including: 1) the conversion/re-configuration of an existing office into a new kitchenette & bathroom & the enlargement of the closet in an existing bedroom w/ new interior walls, windows, interior doors, electric baseboard heaters, electric water heater, electric appliances, shower, plumbing/lighting/electrical fixtures, cabinetry, finishes, flooring, exhaust fan & vent hood. 2) The removal of an existing detached storage shed due to its location in an easement. *Note that the scope of work is limited to the interior of an existing structure. No new structures or floor area will be added.
- Permit number
- BLD-ACC2026-00034
- Issued
- Type of work
- Fence, wall or deck
- Status
- Issued
- Reported cost
- $170,000
- ZIP code
- 80305
- City's category
- Building Permit - Accessory, RES- Enclosed Structure with Heating or Cooling
- City's status
- Issued
- 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 225 31st St, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 13, 2026. We checked it Oct 13, 20:29 UTC. See the city's official records.
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