2535/2537 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure and
Plumbing at 311 Mapleton Ave, Boulder
Boulder Planning and Development Services permit PLB2021-00620: issued May 23, 2022 for plumbing work at 311 Mapleton Ave. 2535/2537 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure and attached single car garage. Fully Sprinklered. Unit J3 to be 4,378 GSF with 2 bedrooms and 3.5 bathrooms. Unit J4 to be 4,359 GSF with 3 bedrooms and 2 full baths, 2 powder rooms. The building materials shall include cultured stone, cementitious fiberboard siding, metal panel, glass railing, standing seam metal roof, overhead garage door, aluminum clad wood doors and windows.
- Permit number
- PLB2021-00620
- Issued
- Type of work
- Plumbing
- Status
- Finished
- Reported cost
- $15,000
- ZIP code
- 80304
- City's category
- Plumbing Permit, Plumbing Sub-Permit
- City's status
- Closed
- 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 311 Mapleton Ave, and what's permitted nearby
Boulder Planning and Development Services updated its data Oct 6, 2026. We checked it Oct 6, 18:06 UTC. See the city's official records.
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