Texas has about ~600,000 active NFIP flood insurance policies, with an average annual premium of $1,060/yr under FEMA's Risk Rating 2.0 methodology. The biggest flood risk areas in the state are Houston metro (Harris County), Gulf Coast (Galveston, Corpus Christi), coastal bend, San Antonio flash flood corridor. Private flood market availability: High.
NFIP Policies in Force
~600,000
Estimate, federal flood program
Avg NFIP Premium
$1,060/yr
Risk Rating 2.0 average
Private Flood Market
High
Carrier availability for higher limits
| Topic | Detail | Notes |
|---|---|---|
| Top risk areas | Houston metro (Harris County), Gulf Coast (Galveston, Corpus Christi), coastal bend, San Antonio flash flood corridor | Mandatory purchase in SFHA + federal mortgage |
| Recent major flood | Hurricane Beryl (July 2024); 2024 spring storm flooding; Hurricane Harvey (Aug 2017) | Drives claim data and premium revisions |
| Average NFIP premium | $1,060/yr | Risk Rating 2.0 phased increases (18%/yr cap) |
| CBRS coastal restrictions | Yes — CBRS zones present | NFIP unavailable on undeveloped CBRS barrier areas |
NFIP statistics from FEMA's national insurance data; premium averages reflect Risk Rating 2.0 phase-in. Private flood market sized from state department of insurance filings. Always verify your specific property's flood zone at floodsmart.gov.
Texas has approximately 600,000 NFIP policies — second only to Florida nationally — driven by the combination of a long Gulf Coast exposure zone, Houston's position as the flood capital of the United States, and recurring catastrophic storm events. Hurricane Harvey in 2017 remains the wettest tropical cyclone in US history: some Harris County gauges recorded over 60 inches of rainfall in 4 days, flooding over 150,000 structures and generating $125 billion in total losses. The flooding exposed a massive coverage gap — tens of thousands of flooded Houston homes had no flood insurance. Houston's chronic flood problem stems from its flat, low-lying geography on the coastal prairie, inadequate drainage infrastructure relative to its enormous spread, and aggressive development filling in wetlands that previously provided flood storage. Hurricane Beryl's 2024 landfall near Matagorda Bay brought storm surge and inland flooding to a region barely recovered from the previous decade's hurricanes.
Texas's private flood market is very well developed, with dozens of carriers actively competing for Texas flood business. Risk Rating 2.0 brought significant increases to many Texas coastal and Houston-area policyholders; the statewide average of approximately $1,060 per year reflects the dominant Gulf Coast and Houston concentration. Texas also has a well-funded state program — the Texas Windstorm Insurance Association (TWIA) — for coastal wind coverage, which is separate from flood insurance. CBRS zones exist along portions of the Texas barrier island system (Padre Island, Bolivar Peninsula). San Antonio's flash flood corridor in the Hill Country is one of the most flood-dangerous urban zones in the nation due to limestone topography that produces extreme runoff.
Homeowners and renters policies categorically exclude flood damage. You must purchase a separate flood policy through the National Flood Insurance Program (NFIP) or a private flood insurer. Note: there's a standard 30-day waiting period from purchase to coverage, so don't wait until a storm is forecast.
NFIP residential policies cap building coverage at $250,000 and contents at $100,000. Homes worth more than these limits should consider 'excess flood' coverage through a private insurer or a fully-private flood policy with higher limits.
Major flood event affecting Texas: Hurricane Beryl (July 2024); 2024 spring storm flooding; Hurricane Harvey (Aug 2017). Repeated severe events tend to push up local NFIP premiums and shift more properties into mandatory-purchase Special Flood Hazard Areas.
💡 Texas Pro Tip
Flood insurance is required for federally backed mortgage holders in Texas SFHAs — which include vast portions of Harris County (Houston metro), the entire Gulf Coast from the Louisiana border through Galveston and Corpus Christi to the South Texas border, the lower Colorado, Brazos, Trinity, and Neches river floodplains, and urban flash flood zones in San Antonio and Austin. But Harvey demonstrated that mandatory zone designation is inadequate: 75–80% of flooded Harris County homes in Harvey were outside the official 100-year floodplain. Any Texas homeowner in the greater Houston metro, near the Gulf Coast, or near any river should carry flood insurance regardless of zone.
Texas's average NFIP premium is approximately $1,060 per year. Galveston Island and Bolivar Peninsula coastal properties may pay $2,500–$6,000+ at actuarial rates. Houston-area high-risk bayou floodplain properties typically pay $1,500–$3,500. Corpus Christi and coastal bend properties pay $1,200–$3,000. San Antonio Hill Country flash flood zone properties pay $800–$2,000. Private flood insurance is very actively marketed in Texas and can provide significant savings for well-built elevated properties, as well as higher limits and additional living expense coverage not included in NFIP.
NFIP flood insurance in Texas covers Gulf of Mexico hurricane and tropical storm surge (the dominant coastal peril), extreme rainfall-driven bayou and river flooding in the Houston metro, flash flooding in the limestone Hill Country (one of the most flash-flood-prone terrains in the US), Rio Grande and other river overflow flooding, and mudflow caused by flooding. It does not cover storm wind damage (covered by homeowners insurance or TWIA for coastal properties), agricultural crop losses, sewer backup or sump pump failure without an external flood trigger, or mold damage discovered after a delayed remediation response. Texas private flood policies commonly add loss of use/additional living expense coverage that NFIP lacks — particularly valuable after major events where displacement lasts months.
Data sourced from FEMA NFIP statistics and state Department of Insurance filings for Texas, April 2026.
Michael Torres
Editorial Lead, Catastrophe & Commercial Property
This article was researched and written by the Cover Forge USA editorial team against federal sources (NAIC, CMS, FEMA, DOL, SSA, state DOIs) and standard policy forms. Bylines organize content by topic — they do not assert individual licensure. See our editorial-policy for details.
Reviewed April 2026
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