Main Component of the Project
Single-family Residence - Addition/Remodel
375 N. Ferndale Avenue
Mill Valley, CA 94941
Parcel Number: 048-025-09
The applicant requests Variance and Design Review approvals for partial demolition of a lawful non-conforming residence located at 375 No Ferndale Avenue, Mill Valley. The property is lawful non-conforming by reason of violation of the maximum allowable floor area ratio and the minimum required setback. The proposal would demolish a total of 13 square feet of the building area that within the front yard setback. The proposed partial demolition would result in 3,616 development on the 8,620 square foot lot and in a floor area ratio of 42 percent, where a maximum of 30 percent is permitted. The exterior walls would have the following setbacks: Zero setback from the north side property line, 2 feet from the south rear property line and 20 feet from all other property lines. The project would also construct a new retaining wall that would reach a maximum height of approximately 6 feet above surrounding grade and would be located within the setbacks.
In accordance with Marin County Code Section 22.54.040, Variance approval is required because the project would exceed the maximum allowable floor area ratio of 30 percent permitted under the R1-B1 zoning district and reduced the required front yard setback to zero. Design Review approval is required pursuant to Marin County Code Section 22.20.060F.1 as the retaining wall exceeds a height of 6 feet above grade and would be located within the setback.
Zoning: R1-B1 (Residential, Single-Family, 6,000 square-foot minimum lot size)
Countywide Plan Designation: SF6 (Single-Family, 4-7 units/acre)
Community Plan: Tamalpais Area Community Plan