ADU Construction Permits in Cobb County, Georgia

Building an Accessory Dwelling Unit requires complex zoning, structural, and utility permits.

As one of the more densely populated areas in Georgia, Cobb County (around 775,208 residents) tends to see higher application volumes at its building department, so it helps to prepare your documentation in advance.

Code Compliance & Inspections

Because Georgia sits in a hurricane-prone zone, the Georgia State Minimum Standard Codes requires exterior work to use wind-rated materials and proper anchoring (such as tie-downs and impact-rated components) to pass inspection.

Zoning & Cost Factors

Georgia mandates adherence to state minimum standard codes, but allows local governments significant flexibility in enforcing aesthetic and density zoning ordinances. Fortunately, Georgia maintains relatively builder-friendly regulations, keeping base permit fees competitive.

In Cobb County, you can begin your application online through the county's permit portal, or submit blueprints and a property survey in person. Including your contractor's Georgia State Licensing Board license number helps avoid rejections.

Typical Submittal Package

When applying for a ADU Construction permit, you or your contractor will generally need to submit the following documentation for the city's review:

Standard Ordinances & Processing Time

Key code points for a ADU Construction in Cobb County: ADUs typically have maximum square footage limits (often 800-1200 sq ft), height restrictions, and usually require dedicated off-street parking depending on local zoning.

Typical processing time: a few days to several weeks, depending on current workload and the season. Contact Cobb County Building Permit Office for a current estimate.