# Addition permit BLD-SFD2026-00139 at 1760 Sunset Blvd, Boulder

Boulder Planning and Development Services permit BLD-SFD2026-00139: issued Jun 9, 2026 for addition work at 1760 Sunset Blvd. This Level 3 home renovation involves removing and/or relocating select interior walls, replacing existing plumbing fixtures, appliances, electrical components, and lighting with new installations, and updating all interior and selected exterior finishes. The project includes a new mechanical system featuring radiant heat and forced-air cooling, the construction of a new upper-level exterior deck, and a remodeled stair to replace the existing one. New exterior windows and doors will be installed?some enlarged, some replaced only. Additionally, the project features an under-1,000-square-foot addition (177 sq ft mudroom connecting to residence and carport), consisting of a new conditioned mudroom located above the existing submerged basement. The existing building envelope of this residence is to remain. 8/31/26 While construction was underway for the work proposed under the original permit, unsafe levels of mold were discovered within much of the existing roof structure and portions of the exterior walls. The revised scope of work included in this resubmittal is limited to the work necessary to address this condition, including replacement of existing roof structure in areas where mold was identified and cannot be remediated.

- Permit number: BLD-SFD2026-00139
- Issued: Jun 9, 2026
- Type of work: Addition (city: Building Permit - Single Family Detached Dwelling, Addition and Alteration)
- Status: Issued (city: Issued)
- Reported cost: $6,000,000
- ZIP code: 80304
- All permits at this address: https://nearbypermits.com/boulder/address/1760-sunset-blvd/

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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 17:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1760 Sunset Blvd: https://nearbypermits.com/boulder/address/1760-sunset-blvd/