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Single Family ResidenceResidential
$152,431$143 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

100 CASTRO

THRALL, TX 76578
1
Baths
1,064 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$152K
$142K low$163K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$430 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$83,144 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,585
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$132,302

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWILLIAMSON
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1970
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Thrall High SchoolB+
High · Grades 9–12 · 0.4 mi
M
Thrall Middle SchoolA
Middle · Grades 5–8 · 0.5 mi
E
Thrall Elementary SchoolA-
Elementary · Grades PK–4 · 0.5 mi

District: Thrall Independent School District

Neighborhood · ZIP 76578These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.19

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,887
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.29 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,741
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,445
Average tempThe average temperature here across a full year.67°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.60%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

100 Castro measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the least valuable homes in Williamson County
  • Costs less per square foot than 95% of homes in Williamson County
  • Smaller than 97% of homes in Williamson County
  • Has a smaller lot than 79% of homes in Thrall 76578
  • Older than 98% of homes in Williamson County

What homes are worth in Thrall 76578

Each bar is how many homes fall in that price range. The marker is this home.

This home
$117K$1.1M

This home is worth more than 10% of homes in Thrall 76578.

How it measures up in Thrall 76578

The dot is this home. The mark in the middle is the typical home in Thrall 76578.

Estimated value$152,431
CheaperTypical $284,552Pricier

Pricier than 10% of homes nearby

Price per ft²$143
CheaperTypical $188Pricier

Pricier than 12% of homes nearby

Living area1,064 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.22 ac
SmallerTypical 1 acBigger

Bigger than 21% of homes nearby

Year built1940
OlderTypical 1999Newer

Newer than 16% of homes nearby

How 100 Castro ranks against every home in each area.
MeasureThis homeThrall 76578Williamson County
Estimated valuepricier than$152,43110% of homesalmost no homes
Price per ft²pricier than$14312% of homes5% of homes
Living areabigger than1,064 ft²19% of homes3% of homes
Lot sizebigger than0.22 ac21% of homes59% of homes
Year builtnewer than194016% of homes2% of homes

About 100 Castro

How much is 100 Castro, Thrall, TX worth?

The TopHap Estimate for 100 Castro, Thrall, TX is $152,431 as of Aug 30, 2026. The likely range is $142,016 to $162,846. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Castro, Thrall, TX last sell?

100 Castro, Thrall, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 100 Castro, Thrall, TX?

100 Castro, Thrall, TX has 1 bathrooms, 1,064 square feet of living space and a 0.22-acre lot.

When was 100 Castro, Thrall, TX built?

100 Castro, Thrall, TX was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 100 Castro, Thrall, TX?

100 Castro, Thrall, TX is assigned to Thrall High School (high), rated B+; Thrall Middle School (middle), rated A; Thrall Elementary School (elementary), rated A-. All sit in Thrall Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Castro, Thrall, TX compare to other homes in Thrall 76578?

Among the 973 homes in Thrall 76578, it is worth more than 10% of them ($152,431 against a typical $284,552), its price per square foot is higher than 12% of them ($143 against a typical $188), it is bigger than 19% of them (1,064 ft² against a typical 1,500 ft²), its lot is bigger than 21% of them (0.22 ac against a typical 1 ac) and it is newer than 16% of them (1940 against a typical 1999). Measured against all of Williamson County, it is worth more than almost no homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 100 Castro, Thrall, TX?

The 2025 property tax bill for 100 Castro, Thrall, TX was $430. The county assessed it at $83,144.

More homes on Castro

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