Round Rock, Texas
Round Rock is a Texas city in Williamson County. Start with the quick read below for what gives Round Rock its character, then the practical property-tax, insurance, district, and local-record checks worth making before you rely on a monthly estimate.
Official links
Local checks
What buyers should know
Confirm whether the parcel falls in Williamson or Travis County — the line runs through the city and affects appraisal, tax rates, and some services.
School district and MUD/PID boundaries deserve a parcel-level lookup; newer subdivisions often carry bond-backed district taxes on top of the base rate.
Check the updated Brushy Creek FEMA flood maps (revised 2019) and get a foundation inspection — the area sits on blackland prairie expansive clay that moves with moisture.
Williamson County notes
Local notes for Williamson County
Property Tax Basics
Two Offices Handle Your Property Tax in Williamson County
The appraisal district sets your property's value; the tax office collects the money — and they are separate offices.
Homestead Exemption
Texas Homestead Exemption Cuts Your School Tax Bill
Williamson County homeowners who live in their home can apply for a $140,000 reduction off the value used to figure school taxes.
Age 65 / Disability Exemption
Extra Property Tax Breaks for Seniors and Disabled Homeowners
Homeowners who are 65 or older, or who have a qualifying disability, can get an additional property tax exemption and a school tax freeze.
Disabled Veteran Exemption
Veterans with Service Disabilities Get a Property Tax Break
Texas veterans with a service-connected disability rating of 10% or more qualify for a property tax exemption in Williamson County.
Ag Valuation
Agricultural Valuation Can Sharply Lower Rural Property Taxes
Land used for farming or ranching in Williamson County can be taxed on its productivity value rather than market value, which is usually much lower.
Flood Risk
Flooding Is a Real Risk in Williamson County
Flash flooding regularly affects homes and roads in Williamson County, and FEMA flood maps were last updated in 2019.
Nearby places
Other local pages to compare
Next steps for Round Rock
Estimate property tax
Use the official local rates and appraisal value for this parcel.
Open estimator ->Build a buyer timeline
Track homestead, appraisal notice, protest, and tax-bill dates.
Build timeline ->Read insurance guide
Check flood, windstorm, roof, deductibles, and coverage questions.
Read guide ->Browse Local Notes
Short Texas notes that explain practical local quirks.
Browse notes ->Local Notes
Worth knowing near Round Rock
Places
A Texas mailing address is not a city-limit answer
Postal identity, city services, zoning, police, STR rules, and taxes can split apart.
Property tax
Texas does not have a state property tax
The bill is local, but the rules are state-shaped.
Local districts
MUDs and PIDs can change the monthly feel of a house
A newer subdivision can carry extra district taxes or assessments.
Insurance
Flood risk is not only a coastal problem
Hill Country creeks and Houston bayous can both make flood insurance worth checking.