Houston flood-zone resource

Check flood risk before the lender makes it urgent.

Use this page to start a Houston flood-zone check, gather the right insurance details, and ask Argo for flood insurance timing before closing or renewal.

Revise el mapa, el requisito del lender y la fecha de cierre antes de esperar hasta la ultima semana.

Open FEMA map Review flood insurance

Address first, quote second

Flood review depends on the exact property, lender, limits, and timing.

Property address

Closing or renewal date

Lender flood notice

Building and contents limits

Prior flood or drainage notes

What to know

FEMA maps are the official NFIP starting point, but Houston flood decisions should also consider local drainage, bayou/watershed context, lender requirements, and whether separate flood insurance is needed. A homeowners policy usually does not solve rising-water exposure by itself.

Last reviewed: June 18, 2026.

Use these official flood resources first

Argo handles the insurance review. The official flood-map and local flood-control sources should be checked directly because maps and project data can change.

FEMA Flood Map Service Center

Mapa oficial de FEMA

Official public source for NFIP flood hazard maps. Search by address, place, or coordinates.

Open resource

Harris County Interactive Mapping Tools

Mapas interactivos de Harris County

Local mapping and flood education resources for Houston and Harris County watersheds.

Open resource

Argo flood insurance review

Revision de flood insurance con Argo

Send the address, closing date, lender notice, and desired limits so Argo can review insurance timing.

Open resource

Insurance check

What changes the flood insurance conversation?

The flood-zone label matters, but it is not the only question. Houston buyers also need to think about lender proof, waiting periods, coverage limits, and whether the property has a drainage or prior-water concern.

FEMA flood zone or lender flood notice

Bayou or watershed near the property

Prior flooding, drainage, or elevation concern

Homeowners policy exclusions for rising water

NFIP vs private flood timing and limits

Closing date, waiting period, and lender proof deadline

Before offer or option period

Check official FEMA and local resources, ask about prior flooding, and save the address details.

Before closing

Send the lender flood notice, desired limits, and closing date so Argo can review timing and proof.

Before renewal

Review any premium change, map change, lender request, or new water/drainage concern before the due date.