Duchak Family Trust Etal Design Review (P6434)
Summary
Main Component of the Project
Residential - RegularLocation
20 SHELL RD, MILL VALLEY, CA 94941
Assessor's Parcel
Status
Applicant
Project Description
The applicant intends to demolish an existing residence and requests Design Review approval to construct a new 4,320 square foot single family residence with an attached 545 square foot garage and 712 square foot detached accessory structure on a lot in Mill Valley. It appears the proposed Building Area is 5,038 square feet and it appears the proposed Floor Area is 4,498 square feet. The 4,498 square feet of proposed development would result in a floor area ratio of 22 percent on the 20,048 square foot lot.
The proposed residence would reach a maximum height of 32 feet 5 inches above surrounding grade and the exterior walls would have the following setbacks: 26 feet from the southern front property line; 14 feet from the eastern side property line; 10 feet from the western side property line; and more than 50 feet from the northern rear property line.
The proposed detached accessory structure would reach a maximum height of 15 feet 9 inches above surrounding grade and the exterior walls would have the following setbacks: more than 50 feet from the southern front property line; 50 feet from the eastern side property line; 29 feet from the western side property line; and 26 feet from the northern rear property line. Various site improvements would also be entailed in the proposed development, including a pool, trash enclosure and landscaping.
Design Review approval is required because the project includes a Floor Area of more than 3,500 square feet.
Zoning: RA-B2 (Residential Agriculture)
Countywide Plan Designation: SF5 ( Low Density Residential)
Community Plan (if applicable): Strawberry
Project Materials
Project Documents
The documents in this list may not work with all assistive technology and are being remediated. For alternative formats, please email Megan Alton or phone 415-473-6235. To use the California relay service, dial 711.
- Duchak DR Drainage Report — Drainage Report submitted July 2026
- Duchak DR Project Plans — Project Plans submitted July 2026
Public Hearings
August 17, 2026 — Strawberry Design Review Board meeting
Meeting Details
Documents
The documents in this list may not work with all assistive technology and are being remediated. For alternative formats, please email CDA Accessibility or phone 415-473-6269. To use the California relay service, dial 711.
- DuchakDR_DRB 8-17-2026.pdf (0.08 MB) — Notice P6434 Strawberry Design Review Board