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.
Storage sheds that are less than 120 square feet and eight feet in height do not require a building permit, but still require Planning Division approval through an over-the-counter application called a Zoning Clearance.
Do I need a permit to build a storage shed? Storage sheds, tool sheds and play houses that have a foot print of less than 120 square feet do not require a building permit however do have other restrictions. .
The County Ordinance requires that you obtain a license for conducting business within the unincorporated areas, - even if your business is located outside our limits or you have a business license from another city.
8. Do I need a permit for a storage shed or small building? 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").
Code Enforcement - Conservation & Development Storage sheds, tool sheds and play houses that have a foot print of less than 120 square feet do not require a building permit however do have other restrictions. .
In general, there are no restrictions for construction working hours within Contra Costa County. Occasionally, as a conditional of approval, the Planning Division may restrict days and times of construction to a permit approval. The Planning Division 925-655-2705 retains the information about specific sites. 5.
Building & Safety - Permits Residential property owner. State of California licensed contractor; or. An agent for a residential property owner/contractor (with proper authorization)
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