REVISION 3/30/26-Revision to the roof configuration at the second floor on the west side of the residence
New building at 425 Arapahoe Ave, Boulder
Boulder Planning and Development Services permit BLD-SFD2025-00245: issued Nov 14, 2025 for new building work at 425 Arapahoe Ave. REVISION 3/30/26-Revision to the roof configuration at the second floor on the west side of the residence. Updated calculations for the solar access fence. REVISION 12/10/25-Building footprint has been expanded by four feet, second story added over the west side of the building. New single-family residence with 1,206 sq. ft. finished in one-level over a crawlspace.
- Permit number
- BLD-SFD2025-00245
- Issued
- Type of work
- New building
- Status
- Issued
- Reported cost
- $355,573
- ZIP code
- 80302
- City's category
- Building Permit - Single Family Detached Dwelling, New
- 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 425 Arapahoe Ave, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 7, 07:50 UTC. See the city's official records.
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