The City of Gulfport is committed to providing property owners, developers, and builders with the resources they need to navigate floodplain regulations and make informed decisions regarding property improvements. A new webpage has been launched to help residents understand the FEMA 50% Rule, also known as the “Substantial Improvement/Substantial Damage Rule.”
This rule is crucial in determining how structures in designated flood zones can be repaired or renovated. If the cost of improvements or repairs equals or exceeds 50% of the building’s market value, the entire structure must comply with current floodplain management regulations.
The new webpage (found at https://mygulfport.us/FEMA/) provides explanations of the rule, its impact on property owners, and informational guidance for compliance.
Key Features of the Webpage Include:
- Overview of the FEMA 50% Rule: An explanation of how the rule applies to both residential and commercial properties in flood-prone areas.
- Step-by-Step Guidance: A comprehensive FEMA guide outlining the necessary steps for compliance, from calculating market value to determining the cost of repairs or improvements.
- Frequently Asked Questions (FAQs): Answers to common questions about the rule’s application, exemptions, and what to do if your property has sustained damage from flooding or other natural disasters.
Mayor Henderson emphasized the importance of this resource: “Our City is committed to helping residents and businesses understand FEMA regulations that may affect their properties. By launching this webpage, we are empowering our community to make informed decisions that safeguard their investments and ensure compliance with federal flood standards.”
(Image credit: City of Gulfport website screenshot)






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