Mountain View R1 zones require 20-foot front setbacks, 5-foot side yards, and 20-foot rear setbacks for primary dwellings. R2 and R3 zones vary by density, with specific plan districts having custom standards.
Mountain View Zoning Ordinance Chapter 36 establishes setback standards by district. Standard R1 Low-Density Residential requires a 20-foot front yard, 20-foot rear yard, and 5-foot side yards with a combined minimum of 15 feet between both sides. R2 Low-Density Multiple-Family allows 15-foot front setbacks. R3 Medium-Density requires 15-foot fronts and 10-foot rears with stepped rear planes. Accessory Dwelling Units follow state law AB 68 defaults: 4-foot side and rear setbacks, no front setback reduction. Corner lots must maintain street-side setbacks equal to the required side yard plus 5 feet. Projections like eaves may encroach up to 30 inches into required setbacks. Precise Plans for areas like North Bayshore and East Whisman may override base zoning.
Contact your local code enforcement office for specific penalty information.
Mountain View, CA
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