# Plumbing permit PLB2021-00619 at 311 Mapleton Ave, Boulder

Boulder Planning and Development Services permit PLB2021-00619: issued May 23, 2022 for plumbing work at 311 Mapleton Ave. 2539/2541 4th Street (duplex): New construction of a 2-story duplex building with stair enclosure - Fully Sprinklered. J5 to be 4,378 GSF with 2 bedrooms and 3 bathrooms, roof deck and single car garage. J6 to be 4,359 GSF with 2 bedrooms and 2 full baths/2 powder rooms, roof deck and single car garage. 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: PLB2021-00619
- Issued: May 23, 2022
- Type of work: Plumbing (city: Plumbing Permit, Plumbing Sub-Permit)
- Status: Finished (city: Closed)
- Reported cost: $15,000
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/311-mapleton-ave/

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 22:42 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 311 Mapleton Ave: https://nearbypermits.com/boulder/address/311-mapleton-ave/