Accessory Structures in Hesperia, CA (2026)
2 verified accessory structures rules for Hesperia, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Hesperia issues accessory dwelling unit permits ministerially under its Development Code, which sets a four-foot side and rear yard setback, size caps, and height limits implementing state ADU law.
Hesperia ADU Setback and Size Rules
Some RestrictionsHesperia Municipal Code § 16.12.360(E)(2), (E)(4)
A detached accessory unit shall not exceed one thousand two hundred (1,200) square feet of livable floor area (excludes garage and any accessory structure) on any parcel. Accessory dwelling units attached to the principal unit may be up to fifty (50) percent of the area of the principal unit, up to a maximum of one thousand (1,000) square feet, except that if the principal unit has a floor area...
Shed & Carport Rules
Hesperia limits accessory buildings on residential and agricultural lots to a 1,000-square-foot aggregate footprint, or up to 7.5% of net lot area, except in the A-2 agricultural zone where size is unlimited.
Hesperia Accessory Building Size Limits
Some RestrictionsHesperia Municipal Code § 16.20.390
16.20.390 - Allowable accessory building area. The size of accessory buildings permitted upon lots within the A-2 (General Agricultural) zone district shall be unlimited. Lots within all other residential and agricultural zone districts shall be permitted a one thousand (1,000) square foot aggregate accessory building up to a maximum aggregate accessory building area not to exceed seven and on...
Looking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Hesperia city rules.
Accessory Structures in San Bernardino County →