Flood Zones: Kennesaw vs Marietta
How do flood zones rules compare between Kennesaw, GA and Marietta, GA?
Kennesaw and Marietta have similar restriction levels.
Kennesaw, GA
Cobb County
Kennesaw participates in FEMA NFIP. Cobb County CRS Class 7 (15% flood insurance discount). New floodplain development requires city permit. 50% substantial improvement rule applies in Special Flood Hazard Areas.
View full Kennesaw rules →Marietta, GA
Cobb County
Marietta participates in NFIP and holds CRS Class 8 rating (flood insurance discount). All new floodplain development requires a city permit. 50% substantial improvement rule applies within SFHA.
View full Marietta rules →Key Facts Comparison
| Fact | Kennesaw | Marietta |
|---|---|---|
| CRS Rating | Cobb County Class 7 (15% discount) | Class 8 (flood insurance discount) |
| Permit Required | Yes for all SFHA development | - |
| Substantial Improvement | 50% rule triggers full code compliance | 50% rule — must meet current code |
| Flood Map | georgiadfirm.com | - |
| Contact | Kennesaw Building Services: kennesaw-ga.gov/permits-applications | - |
| SFHA Permit | - | Required from Marietta Permit Office (770-794-5659) |
| Floodplain Contact | - | Osmany Ordonez, CFM: 770-794-8197 |
| Flood Map Viewer | - | georgiadfirm.com |
Highlighted rows indicate differences between cities.
Kennesaw FAQ
Is my property in a flood zone in Kennesaw?
Kennesaw participates in FEMA NFIP. Cobb County CRS Class 7 (15% flood insurance discount). New floodplain development requires city permit. 50% substantial improvement rule applies in Special Flood Hazard Areas.
Do I need flood insurance in Kennesaw?
CRS Rating: Cobb County Class 7 (15% discount). Permit Required: Yes for all SFHA development. Substantial Improvement: 50% rule triggers full code compliance. Flood Map: georgiadfirm.com.
Marietta FAQ
Is my property in a flood zone in Marietta?
Marietta participates in NFIP and holds CRS Class 8 rating (flood insurance discount). All new floodplain development requires a city permit. 50% substantial improvement rule applies within SFHA.
Do I need flood insurance in Marietta?
CRS Rating: Class 8 (flood insurance discount). SFHA Permit: Required from Marietta Permit Office (770-794-5659). Substantial Improvement: 50% rule — must meet current code. Floodplain Contact: Osmany Ordonez, CFM: 770-794-8197.
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