Recent changes to statewide legislation have impacted ADU requirements in Contra Costa. ADUs in Contra Costa can be no larger than 1,200 square feet and 16 feet tall. An ADU must have its own kitchen and bathroom and function as a complete, independent dwelling separate to the main residence on the lot.
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.
California doesn't necessarily require all businesses (of any structure) to obtain a license. While the state doesn't issue or require a business operating license, it regulates and requires licenses or permits for some business activities.
Limited partnerships, corporations, and limited liability companies (LLCs) are all legally required to register within California. Only sole proprietorships are exempt.
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.
Submitting for a building permit or a planning application. All permit applications shall be submitted online using the links below. DCD staff is also available during business hours at 925-655-2700 to answer questions.
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").
In the absence of any mandatory permit, the engineering or construction project can be halted at any time by the authorities, which shall not only result in stopping the workflow but can also lead to significant losses if work on the property is put on hold.
The City of Los Angeles Building and Safety Office requires specific setbacks from property lines. There must be a rear yard setback of 15 ft, a side yard setback of 5 ft, and a front yard setback of 15-25 ft. So, no structure should be between the property line and the setbacks.