# Fence, wall or deck permit BLD-ACC2026-00034 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: Aug 28, 2026
- Type of work: Fence, wall or deck (city: Building Permit - Accessory, RES- Enclosed Structure with Heating or Cooling)
- Status: Issued (city: Issued)
- Reported cost: $170,000
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/225-31st-st/

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-15 07:22 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 225 31st St: https://nearbypermits.com/boulder/address/225-31st-st/