Building Setbacks & Zoning in Glenn County, CA (2026)
3 rules for unincorporated Glenn County, California.
Verified from official government sources
Setback Rules
In the R-1 Single-Family Residential Zone across unincorporated Glenn County, Glenn County Code § 15.37.070 sets a twenty-foot front yard, a five-foot interior side yard (ten feet on a corner lot's street side), and a twenty-five-foot rear yard, with a separate five-foot rear setback for accessory buildings.
Glenn County R-1 Zone Yard Setbacks
Some RestrictionsGlenn County Code § 15.37.070
Front Yard. The minimum front yard shall be twenty feet. Side Yard, Corner Lots. On corner lots, the side yard which is contiguous to the street shall not be less than ten feet in width, except that a garage or carport having an entrance fronting on the street shall be set back at least twenty feet from the street property line. Side Yard, Interior. The minimum side yard of interior lots shall ...
Structure Height Limits
In the R-1 Single-Family Residential Zone across unincorporated Glenn County, Glenn County Code § 15.37.080 caps any residential structure at thirty feet and any accessory structure, like a shed or detached garage, at fifteen feet. The FA and RZ agricultural zones allow taller structures for barns and similar farm buildings.
Glenn County R-1 Zone Height Limit
Some RestrictionsGlenn County Code § 15.37.080
The maximum building height in the R-1 zone shall be: Thirty feet for any residential structures; Fifteen feet for any accessory structures.
Lot Coverage Limits
In the R-1 Single Family Residential zone of unincorporated Glenn County, buildings and structures cannot cover more than 40 percent of a lot, and that ceiling drops to 30 percent on parcels where slopes exceed 30 percent.
Glenn County Max Lot Coverage Limit
Some RestrictionsGlenn County Code § 15.37.110
The maximum lot coverage shall be 40% of the total lot area. For areas where slopes are greater than 30%, lot coverage shall not exceed 30%.
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