New two story single family home, with partial finished basement
New building at 855 Union Ave, Boulder
Boulder Planning and Development Services permit BLD-SFD2025-00187: issued Dec 31, 2025 for new building work at 855 Union Ave. New two story single family home, with partial finished basement. 5 bedroom and 5 bathroom. Basement (1071sf) includes rec room, two bedrooms, wet bar and bath. Main floor (1516 sf) inc kitchen, dining, great room and office and attached garage (469sf). Second floor (1474 sf) includes 3 bedrooms and loft.
- Permit number
- BLD-SFD2025-00187
- Issued
- Type of work
- New building
- Status
- Issued
- Reported cost
- $1,110,000
- ZIP code
- 80304
- 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 855 Union Ave, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 7, 2026. We checked it Oct 7, 14:29 UTC. See the city's official records.
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