Lassen County, CA Fence Regulations: Fence Requirements (2026)

Lassen County's fence requirements are concentrated in the General Provisions and Exceptions of the Title 18 zoning ordinance. In residential districts, fences, shrubs, hedges, and screen plantings are limited to three feet in a required front yard and six feet in side and rear yards, with up to eight feet allowed between side or rear yards when the portion above six feet is designed for adequate air circulation. On corner lots, no fence, hedge, or obstruction may exceed three feet within the sight distance area, and trees there must be trimmed clear of branches to at least eight feet above the adjacent sidewalk so drivers can see at intersections and driveways. A distinct, more specialized requirement applies to agricultural land: when a rezone moves property out of an agricultural zone to a non-agricultural zone with a minimum parcel size under twenty acres, perimeter fencing is required, consisting of four tightly stretched wires with a top wire height of forty-eight inches, equally spaced middle wires, and a smooth bottom wire no lower than eighteen inches off the ground, with posts every sixteen feet and double seven-foot 'H' braces every one-quarter mile and at all corners. Standards otherwise vary by zoning district, so owners should verify their parcel's rules with Lassen County Planning and Building Services (221 S. Roop St., Susanville, 530-251-8333). This applies to unincorporated areas, not the City of Susanville.