The quick and simple answer is: you usually don't need a permit if the shed is 120 square feet or less. In California, most jurisdictions have adopted the 120 square foot rule. If your shed area is larger than 120 square feet, it needs a building permit.
A Building Permit is required for an owner or contractor of a property to construct any residential building with a floor area greater than 120 square feet. Prior to starting construction you will be required to submit plans and any necessary supporting documentation for review and approval by the County.
Per the California Residential Code detached accessory structure not exceeding 120 square feet does not require a building permit if there is no plumbing, electrical, and or mechanical equipment. Please note, Sheds and/or Structures under 120 square feet do require a Planning Permit.
A Residential Accessory permit is required prior to any construction of residential accessory structures greater than 120 square feet.
The County's Development Code exempts noise from construction noise, provided that construction is limited to the hours between 7 a.m. and 7 p.m., except on Sundays or federal holidays, when construction is not allowed.
One-story detached accessory buildings used as tool and storage sheds, playhouses, and similar uses, provided the floor area does not exceed 120 square feet, do not require a Building Permit (per California Building Code 105.2 "Work Exempt from Permit").
Generally, the state of California will require the following components before applying for a building permit: Professionally drawn blueprint. Site plan. Floor Plan. Foundation Plan. Soil Inspection and Land Survey. Architect License (Required for homes over 3,000 sq ft. Engineering License Stamp.
A Residential Accessory permit is required prior to any construction of residential accessory structures greater than 120 square feet.
In California, you can build your own house without being a licensed contractor, but there are important considerations and regulations to keep in mind: Owner-Builder Permit: California allows property owners to act as their own contractors under the ``owner-builder'' provision.