Glenn County, CA Building Setbacks & Zoning: Structure Height Limits (2026)

Structure height limits in unincorporated Glenn County are established district-by-district in the Title 15 Unified Development Code. In the RE (Rural Residential Estate) zone, Glenn County Code Section 15.350.070 provides that the peak height of a structure shall not exceed 35 feet, which functions as the maximum residential building height in that district. In Service Commercial zoning, the code limits principal structures to a maximum height of thirty-five feet and accessory structures to a maximum of twenty feet. Other districts, such as the Recreation and Planned Motorsport (RPM) district, contain their own yard and height provisions. Because the county includes a range of residential, agricultural, commercial, industrial, and special-purpose zones, the applicable maximum height depends on the parcel's zoning designation; agricultural and rural residential districts commonly allow taller agricultural structures (barns and similar) under their own standards. Height in Title 15 is generally measured to the peak of the structure. Architectural projections, agricultural buildings, and certain accessory uses may be treated differently. Before designing a tall structure, confirm the maximum height, how it is measured, and any exceptions for your specific zone with Glenn County Planning & Community Development Services, since district standards and any amendments control.