Sheds and accessory structures in San Bernardino County

Each rule below links to the section of the San Bernardino County Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What San Bernardino County's code says

San Bernardino County code What San Bernardino County's code adds
Size or lot coverage	No more than 1,200 square feet. Applies: Detached carports or garages on parcels under 20,000 square feet. § 84.01.050 · code text Detached carports or garages shall be limited to 1,200 square feet when located on parcels that are less than 20,000 square feet in size. No more than 1,000 square feet. Applies: Detached storage structures on parcels of 1 acre or less. Only 1 storage structure may be over 120 square feet. § 84.01.050 · code text Parcels that are one acre or less in size shall be limited to only one detached storage structure that exceeds 120 square feet and the storage structure shall not exceed 1,000 square feet.
Distance from the house	At least 10 feet from the main home. Applies: Guest housing, which must be on the same parcel. § 84.01.050 · code text Guest housing shall be located on the same parcel as the primary dwelling unit and shall be separated from it by at least ten feet.

Who this affects

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Frequently asked questions

How big can a shed or accessory building be in San Bernardino County?

Detached garages or carports: at most 1,200 sq ft on parcels under 20,000 sq ft; storage structures, 1,000 sq ft up to 1 acre.

Sheds, garages and other accessory structures in San Bernardino County

Key points

What San Bernardino County's code says

Who this affects

Frequently asked questions

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