HOURS CONTACT CALENDAR ENGLISH ESPAÑOL 中文 FILIPINO About Us Departments Services Government Business How Do I Search Community Development Community Development Building Inspection Services Division › AB1600 Reports › Permit Requirements › Permit Records Community Development Block Grant Program (CDBG) Code Enforcement Environmental Services Forms & Documents Housing Programs Planning Division Planning Commission Meetings Contact Info Building Inspection Services Division Tel: (925)779-7065 Planning Division Tel: (925) 779-7035 Code Enforcement Division Tel (925) 779-7042 Send Message Public Records Requests Related Items Building Permit requirements List of Builders’ Contact Agencies Building Permit application California Energy Code Requirements Contractors State License Board web page Contra Costa County’s Building Department web page Contra Costa County’s Health Department web page Construction & Demolition Recycling Requirements Residential Smoke and Carbon Monoxide Alarm Requirements Solar Submittal Requirements /Community Development Department /Building Inspection Services Division /Permit Requirements/ Building Division Permit Requirements THE FOLLOWING IS REQUIRED ON PLANS SUBMITTED FOR A PERMIT PLOT PLAN: Name of Owner Address of project Overall dimensions of property Location and width of public easements (note: information on private easements is available on the property deed) Location, dimensions and distance from property lines of existing buildings, decks, structures, retaining walls, paved parking and driveways Location, dimensions and distance from property lines to proposed project Location of any existing trees to be removed Existing survey hubs, pipes and similar permanently installed property line identification Location of existing curb cuts to be closed or altered and of any new curb cuts. A separate Encroachment permit from the Engineering Division is required for this work Location of existing sewer main and proposed lateral, where applicable Drainage and contour of lot Listed below are some typical development standards for single-family dwellings MAIN BUILDING: Maximum height: 35 feet Minimum Front Yard: 20 feet Minimum Side Yard Corner: 10 feet Interior: 5 feet Minimum Rear Yard: 20 feet** ** Additions to the rear of a single-family dwelling may be to within 10 feet of the rear property line, provided that the width of that portion of the main structure shall not exceed 50% of the buildable width of the lot. ACCESSORY STRUCTURES: Detached from main building by more than five feet (5′), i.e. sheds, gazebos, patio covers, etc. Maximum height: 15 feet Minimum Front Yard: 60 feet Minimum Side Yard Corner: 20 feet Interior: 0 feet* Minimum Rear Yard: 0 feet* * Structures located less than three feet (3′) from property line must be of fire-rated construction. COMMERCIAL PROJECTS: Typically need the following, but call the Building Division at (925) 779-7065 to confirm submittal requirements for individual projects. New Three (3) sets of plans wet stamped and signed Two (2) sets Title 24, soils reports, structural calculations and roof trusses Tenant Improvements: Three (3) sets of plans wet stamped and signed Two (2) sets of Title 24 and structural calculations Plans can be submitted anytime Monday – Friday 8:00 a.m. to 5:00 p.m. However if plans are submitted when the inspectors are in the office, permits can usually be issued over the counter (one exception being additions). City of Antioch © 2021 About Us Departments Services Government Business How Do I Contact Calendar Site Map