Helpful Tips

Helpful tips to assist our users.

Main Changes in v3 of API

Version 3 (v3) of our API includes the following changes.

Parcel is the Best Way to Request Data

A parcel-based request returns data for the entire property.

What is an API?

An API can automate requesting and receiving data from National Flood Data.

Flood Insurance Resources for Home Buyers

National Flood Data does not provide services to individual home buyers or home owners. We provide recommendations for flood insurance and flood zone certificates.


National Flood Data provides comprehensive FEMA and related flood data and flood zone determinations to insurance companies, mortgage lenders and large real estate owners. The services are interacted with by API and allow our customers to make their operations as efficient and automated as possible. We are located in Seattle, Washington. When you call us, we answer the phone.




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