County aggregator · Coastal Bend, TX

San Patricio County wind zone

San Patricio County is TWIA territory across the county. Sinton and the east-county communities have near-coastal exposure; Mathis on the western edge near Lake Corpus Christi gets slightly lower design wind speed but still requires WPI-8.

Inside TWIA territory

San Patricio County at a glance

County seat: Sinton · 2 cities in this tool

Design wind speed

130-145 mph

ASCE 7-16 Risk Cat II — range across cities in county

TWIA windstorm

REQUIRED

WPI-8 cert needed for new installs

Cities in San Patricio County

Verified Coastal Bend contractors in San Patricio County

For pros that understand San Patricio County's TWIA + WPI-8 requirements:

All routed through NPCLocal — verify license, insurance, and code familiarity before any work starts.

Look up a specific address

Per-city pages give you the design wind speed at each city's main population center. For an exact reading at YOUR specific lot, use the address lookup on our home page or go straight to ATC Hazards by Location — the canonical ASCE source.

Related Coastal Bend tools

⛈️ Coastal Bend live weather — current conditions, 7-day forecast, NWS alerts for all 17 cities
🌀 Address-level wind zone lookup — apex tool
📞 NPCLocal directory — verified Coastal Bend service providers

Sources

Texas Windstorm Insurance Association
Texas Department of Insurance — Windstorm Inspection (WPI-8)
ATC Hazards by Location — ASCE 7-16 wind speed
Texas Insurance Code §2210