# Alteration or repair permit BLD-SFD2025-00538 at 760 S 42nd St, Boulder

Boulder Planning and Development Services permit BLD-SFD2025-00538: issued Jan 16, 2026 for alteration or repair work at 760 S 42nd St. 180-day one-time extension request granted. Project must be completed by 3/4/2027. Finish 975 sq ft of a currently unfinished basement -- frame 2 new bedrooms with egress windows, office, wet bar, frame perimeter walls. Convert / re-frame existing basement half bathroom into full bathroom. Close off existing stairwell per engineer specifications. Install new stairwell at new location per engineers specifications. Extend existing 130 sq ft master bedroom to the east, by framing in over the old stairwell, per the engineer spec. New master bedroom = 160 sq ft total. Extend existing 60 sq ft master bathroom to the east by framing in over old stairwell. Demo existing tub/shower and convert to closet. Install new upright shower stall per plan. New master bathroom = 80 sq ft.

- Permit number: BLD-SFD2025-00538
- Issued: Jan 16, 2026
- Type of work: Alteration or repair (city: Building Permit - Single Family Detached Dwelling, Alteration)
- Status: Issued (city: Issued)
- Reported cost: $90,793
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/760-s-42nd-st/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-10 10:18 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 760 S 42nd St: https://nearbypermits.com/boulder/address/760-s-42nd-st/