Building permits in Cobb County, Georgia
Of the 7 common home projects we have verified in Cobb County, 7 need a permit outright. Click any project for the full rule, fee, and how to apply.
By Mario Bailey Last checked · 2 official sources
Verified against official sources- Project types verified
- 10
- in Cobb County
Cobb County Community Development Agency, Development and Inspections Division
- 1150 Powder Springs St, Ste 400, Marietta, GA 30064
- Phone: (770) 528-2060
- Email: building@cobbcounty.gov
- Official permit page
- Permit portal
- Official fee schedule
Look up a permit in Cobb County
Cobb County permit records are public, and you can check a property's permit history by address or permit number online.
What needs a permit in Cobb County
Of the 7 common home projects we have verified in Cobb County, 7 need a permit outright. Click any project for the full rule, fee, and how to apply.
None of the 10 project types verified for Cobb County carry a size or scope threshold. See the Permit needed column for each project's own answer, since there is no threshold to compare here.
| Project | Permit needed? | Typical fee |
|---|---|---|
| Deck Permit | Permit required | Decks are subject to a $100 site plan review fee in addition to the tiered residential... |
| Electrical Permit | Permit required | Electrical work is billed as an $80 trade permit under the Cobb County Building Permit... |
| Fence Permit | Not confirmed | Fee follows the small residential construction cost table, $80 base for cost up to... |
| HVAC Permit | Permit required | HVAC and mechanical work is billed as an $80 trade permit under the Cobb County Building... |
| Patio Permit | Not confirmed | Fee follows the small residential construction cost table, $80 base for cost up to... |
| Plumbing Permit | Permit required | Plumbing work is billed as an $80 trade permit under the Cobb County Building Permit Fee... |
| Pool Permit | Permit required | Pool permits carry a $250 minimum fee under the Cobb County Building Permit Fee Schedule... |
| Roof Replacement Permit | Not confirmed | Fee follows the small residential construction cost table, $80 base for cost up to... |
| Shed Permit | Permit required | Accessory structures are subject to a $100 site plan review fee in addition to the... |
| Solar Permit | Permit required | Fee follows the small residential construction cost table, $80 base for cost up to... |
Planning a project in Cobb County?
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Schedule an inspection in Cobb County
Permitted work is not finished until it passes inspection. Cobb County 'Schedule an Inspection' page: schedule online via Citizen Access, by text (SCHEDULE to 877-376-1455), or by phone at (770) 528-2060.
Schedule or request a Cobb County inspection
When the portal will not take the date you need, the office still books by phone: (770) 528-2060.
Checked . If the office has changed its process, report it.
Cobb County permit fees compared with nearby Georgia localities
| Georgia locality | Deck Permit | HVAC Permit | Electrical Permit |
|---|---|---|---|
| Cobb County | Decks are subject to a $100 site plan review fee in... | HVAC and mechanical work is billed as an $80 trade permit... | Electrical work is billed as an $80 trade permit under the... |
| Atlanta | Not published | Not published | Not published |
| DeKalb County | ...(revised 01/01/2025): "Total Minimum Fees $245 ($195... | ...(revised 07/09/2025): "Fee Schedule: MINIMUM FEE... | ...(revised 07/09/2025): "Fee Schedule: MINIMUM FEE $120... |
| Gwinnett County | ...Minor Renovation Projects (valued less than $75,000)... | ...Plumbing" application type priced at "$0.006 x Value... | ...Electrical, Plumbing" application type at "$0.006 x... |
Each cell is the opening clause of that Georgia jurisdiction's own fee schedule; the full wording and source sit on each permit page.
Cobb County permit questions, answered from the data
- Do you need a permit in Cobb County?
- For most projects, yes. Of the 10 permit types we have verified for Cobb County, 7 always require a permit (for example a deck permit), 0 depend on size or scope. Each Cobb County permit type's page states the exact rule and its source.
- How much does a permit cost in Cobb County?
- Cobb County publishes a fee for 10 of the 10 permit types we cover, each quoted on its page from the jurisdiction's own schedule (linked on every page that carries one). Fees are set by Cobb County Community Development Agency, Development and Inspections Division; we do not estimate or mark them up.
- Where do you apply for a permit in Cobb County?
- Cobb County Community Development Agency, Development and Inspections Division issues permits in Cobb County, with an online portal for applications, plan uploads and status checks, and takes questions at (770) 528-2060. The Cobb County official page and portal are linked in the office section above.
How the Cobb County pages were verified. 10 permit types, 7 distinct official sources, most recently checked . Every rule is read from Cobb County Community Development Agency, Development and Inspections Division or the applicable code and cited on its page; anything we could not confirm for Cobb County is marked rather than estimated. How we verify.