Originating & Underwriting

Flood Insurance Coverage Calculator

Tool for lenders

This calculator tool is designed to assist lenders in determining the minimum flood insurance coverage required by Fannie Mae. The tool can be used for 1- to 4-unit properties, PUDs, detached condominiums, attached condominiums, and co-ops. Refer to the Selling Guide and other resources for complete requirements and more information.

Flood Insurance Coverage Calculator


HOA Homeowners association
NFIP National Flood Insurance Program
RCBAP Residential Condominium Building Association Policy
SFHA Special Flood Hazard Area
UPB Unpaid principal balance