Cobb County Building Permit Guide
Cobb County is one of Georgia's most active permit jurisdictions. With cities like Marietta, Kennesaw, Acworth, Smyrna, and Powder Springs, understanding whether your project falls under county or city jurisdiction is the first step.
Jurisdiction: County vs. City
- Unincorporated Cobb County — Cobb County Building Department
- Marietta — City of Marietta Building Department
- Kennesaw, Acworth, Smyrna, Powder Springs — Each has its own permit office
Check your address to confirm jurisdiction before submitting.
Engineering Requirements
Cobb County requires PE-stamped plans for:
- All new residential foundations
- Commercial structural design
- Load-bearing wall modifications
- Retaining walls over 4 feet
- Foundation repairs involving underpinning or helical piers
Submission Checklist
- Permit application (fully completed)
- Two sets of construction drawings
- PE-stamped foundation and structural plans
- Site plan with grading and drainage
- Energy code compliance forms
- Contractor license verification
Common Issues in Cobb County
- Incomplete load paths — reviewers check structural continuity
- Missing drainage plans — required for all new construction
- Flood zone documentation — many areas near Chattahoochee require elevation certificates
- Tree removal permits — separate from building permits
Inspection Process
After permit issuance, Cobb County requires inspections at foundation, framing, and final stages. Have your approved plans on site.
Need engineering for Cobb County? Call (833) 205-7710.
Next Steps for Your Cobb County Project
If you're planning a project in Cobb County, our Georgia-licensed engineers can take you from permit research to approved plans. We prepare PE-stamped permit plan sets for residential and commercial projects, and we serve homeowners and builders throughout the county — see our Cobb County engineering service areas.
Need Engineering for Your Project?
Speak with a licensed Georgia PE — fast response, no obligation.
(833) 205-7710