Cameron County, Texas
27 local notes for Cameron County — practical, plain-English, and pointed at the official source to confirm. Rio Grande Valley / Border.
See the Brownsville place page ->Money & Taxes
Property Tax Basics
Two Offices Handle Your Property Tax in Cameron County
The Cameron Appraisal District sets your home's value; the Cameron County Tax Office sends the bill and collects the money.
Homestead Exemption
How to Apply for a Homestead Exemption in Cameron County
If you own and live in your home, you can apply for a homestead exemption that lowers your taxable value.
Appraisal Protest
How to Protest Your Property Value in Cameron County
If you think your appraised value is too high, you can protest it — but you must act quickly after your notice arrives.
Ag Valuation
Agricultural Land Gets a Lower Tax Value in Cameron County
Farm and ranch land can be taxed on what it produces, not what it would sell for, which usually means a much lower tax bill.
Home & Property
Windstorm Insurance
Cameron County Homes May Need Special Windstorm Insurance
Cameron County is in Texas's coastal windstorm zone, which means your regular homeowner policy likely does not cover hurricane wind damage.
Flood Risk
Much of Cameron County Is in a FEMA Flood Zone
Low elevation and proximity to the Gulf mean large parts of Cameron County carry significant flood risk — check the FEMA map before you buy.
Building Code / TWIA
New Homes Near the Coast Need a Windstorm Certificate
If you build or renovate in Cameron County's coastal windstorm zone, the work must be inspected and certified or you may not be able to get windstorm insurance.
Septic / OSSF
Septic Systems in Cameron County Require a Permit
If your home is not connected to a city sewer, you need a permit before installing or repairing a septic system (called an OSSF in Texas).
Water Rights
Surface Water Rights on the Rio Grande Are Strictly Managed
The Rio Grande's water is allocated under a state-managed system — you cannot simply pump from it without a water right.
Climate / Weather
Cameron County Has a Subtropical Climate — Hot, Humid, and Hurricane-Prone
Cameron County's subtropical climate means mild winters, very hot summers, about 27 inches of rain per year, and direct exposure to Gulf of Mexico hurricanes.
Cars & Driving
Hurricane Preparedness
Know Your Hurricane Evacuation Zone Before Storm Season
Cameron County has defined evacuation zones for hurricanes — knowing yours before a storm arrives can save your life.
Vehicle Registration
How to Register Your Vehicle in Cameron County
Texas eliminated the annual safety inspection requirement for non-commercial vehicles on January 1, 2025. In Cameron County — not one of the 17 emissions-inspection counties — you simply renew your registration without any inspection step.
Outdoors
Fishing
The Lower Laguna Madre Offers Unique Coastal Fishing
The lower Laguna Madre runs along Cameron County's Gulf coast and holds fish species found almost nowhere else in Texas.
Hunting
Hunting in Cameron County: Seasons and Bag Limits
Cameron County has deer, turkey, dove, duck, and quail hunting seasons — each with its own license and bag limit rules.
Birding / Wildlife
South Padre Island Is a Major Bird Migration Hotspot
South Padre Island, in eastern Cameron County, sits along a major flyway where millions of birds cross the Gulf of Mexico each spring and fall.
State Park
Bentsen-Rio Grande Valley State Park Anchors Valley Birding
Bentsen-Rio Grande Valley State Park in Mission is the headquarters of the World Birding Center and draws visitors from around the world.
Coastal Ecology
The Laguna Madre Is One of the World's Few Hypersaline Lagoons
Low rainfall and high evaporation make the Laguna Madre saltier than the open ocean — a rare condition that shapes the entire ecosystem.
Water Quality
The Arroyo Colorado Runs Through Cameron County — and Has Water Quality Issues
The Arroyo Colorado flows from Hidalgo County through Cameron County to the Laguna Madre and has had water quality problems from farm runoff and failing septic systems.
Rules & Licenses
OSSF / Septic
Buying Rural Land? Check If the Septic System Is Permitted
Texas requires a permit for any septic system — if a rural property's system was never permitted, the new owner may face costs to bring it into compliance.
Emergency Preparedness
Special-Needs Residents Can Pre-Register for Evacuation Help
People with disabilities or medical needs who cannot evacuate on their own can register with the state ahead of hurricane season for free transportation assistance.
History & Culture
County History
Cameron County Is Named for a Soldier of the Mier Expedition
Cameron County was created in 1848 and named for Captain Ewen Cameron, a Scottish soldier killed in Mexico during the ill-fated Mier Expedition.
City History
Brownsville Grew Up Around a U.S. Army Fort on the Rio Grande
Brownsville was founded in 1848 by merchant Charles Stillman near Fort Brown, the U.S. Army post built opposite Matamoros, Mexico.
Civil War History
The Last Land Battle of the Civil War Was Fought in Cameron County
The Battle of Palmito Ranch, fought in May 1865 near Brownsville, is recognized as the final land engagement of the American Civil War.
Tejano Heritage
Spanish and Mexican Land Grants Shaped Cameron County's Land History
Much of Cameron County's land was first granted under Spanish and Mexican rule. Fights over those land grants shaped life here for decades after the Mexican-American War.
Economic History
A Railroad Arrived in 1904 and Transformed Cameron County's Economy
The St. Louis, Brownsville and Mexico Railway reached the Rio Grande Valley in 1904, triggering a land boom and the rise of commercial agriculture.
Port / Trade
The Port of Brownsville Is a Major Deep-Water Port on the Gulf Coast
Completed in 1936, the Port of Brownsville gave the Rio Grande Valley direct access to Gulf shipping and helped anchor the regional economy.
National Historic Site
Palo Alto Battlefield Is a National Historical Park Near Brownsville
Palo Alto Battlefield National Historical Park preserves the site of the first major battle of the Mexican-American War, fought in Cameron County in 1846.