# Addition permit BLD-SFD2026-00059 at 3750 Emerson Ave, Boulder

Boulder Planning and Development Services permit BLD-SFD2026-00059: issued Apr 30, 2026 for addition work at 3750 Emerson Ave. PROJECT SCOPE & COMPLIANCE PATH: ALTERATION, LEVEL 3 WITH SUBSTANTIAL MECHANICAL AND THERMAL ENVELOPE ALTERATION PLUS AN ADDITION The lower level includes a 729 sq ft remodel alongside an addition with 445 sq ft of conditioned space and 221 sq ft of unconditioned storage. The main level consists of a 1,326 sq ft remodel and an addition of 372 sq ft of conditioned space while demolishing 3 sq ft of conditioned space. The work includes all new windows, doors, and insulation as well as the replacement of the existing furnace and water heater with heat pumps for heating, cooling, and water heating.

- Permit number: BLD-SFD2026-00059
- Issued: Apr 30, 2026
- Type of work: Addition (city: Building Permit - Single Family Detached Dwelling, Addition and Alteration)
- Status: Issued (city: Issued)
- Reported cost: $1,100,000
- ZIP code: 80305
- All permits at this address: https://nearbypermits.com/boulder/address/3750-emerson-ave/

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 19:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3750 Emerson Ave: https://nearbypermits.com/boulder/address/3750-emerson-ave/