Fontana caps side and rear yard fences at 6 feet and front yard fences at roughly 36 to 42 inches. Building permits are required for solid walls over 42 inches and for open fencing over 48 inches. Taller decorative or security fences need Planning approval.
Fontana Zoning and Development Code regulates fence heights by yard location to preserve visibility at corners and a residential streetscape. In single-family zones, interior side and rear property line fences may be up to 6 feet tall without a height variance. Front yard fences and those facing the street in corner-lot configurations are typically held to 36 to 42 inches, with open (see-through) designs often allowed slightly taller than solid walls. Intersection visibility triangles at driveways and corners require lower fence heights to protect sightlines under state traffic safety guidance. Chapter 30 of the Zoning Code triggers a building permit for any solid wall or masonry fence over 42 inches and for open wrought iron or chain-link over 48 inches. Taller walls (over 6 feet) for screening, pool enclosures, or specific security needs require a Planning clearance or minor development review. Pool barriers are subject to California Building Code Title 24 separately. Contact Planning at (909) 350-6718.
Contact your local code enforcement office for specific penalty information.
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