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Single Family ResidenceResidential
$166,125$181 / 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 96How 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

218 CASTRO

THRALL, TX 76578
1
Baths
916 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.
2,178 ft²
Lot SizeThe size of the land the home sits on, from county records.
2008
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$166K
$159K low$173K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$754 (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.$129,529 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,960
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$104,569
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$134,853
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$129,529

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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
Lot (acres)The size of the land the home sits on, from county records.0.05
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 25 ft²Porch · 84 ft²

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 · 0.5 mi
M
Thrall Middle SchoolA
Middle · Grades 5–8 · 0.6 mi
E
Thrall Elementary SchoolA-
Elementary · Grades PK–4 · 0.6 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

218 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 70% of homes in Williamson County
  • Smaller than 98% of homes in Williamson County
  • Among the smallest lots in Thrall 76578
  • Newer than 69% of homes in Thrall 76578

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
$118K$1.2M

This home is worth more than 14% 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$166,125
CheaperTypical $285,757Pricier

Pricier than 14% of homes nearby

Price per ft²$181
CheaperTypical $188Pricier

Pricier than 45% of homes nearby

Living area916 ft²
SmallerTypical 1,512 ft²Bigger

Bigger than 11% of homes nearby

Lot size2,178 ft²
SmallerTypical 1 acBigger

Smaller than almost all homes nearby

Year built2008
OlderTypical 1999Newer

Newer than 69% of homes nearby

How 218 Castro ranks against every home in each area.
MeasureThis homeThrall 76578Williamson County
Estimated valuepricier than$166,12514% of homesalmost no homes
Price per ft²pricier than$18145% of homes30% of homes
Living areabigger than916 ft²11% of homes2% of homes
Lot sizebigger than2,178 ft²almost no homesalmost no homes
Year builtnewer than200869% of homes54% of homes

About 218 Castro

How much is 218 Castro, Thrall, TX worth?

The TopHap Estimate for 218 Castro, Thrall, TX is $166,125 as of Aug 30, 2026. The likely range is $158,885 to $173,365. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 218 Castro, Thrall, TX last sell?

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

How big is 218 Castro, Thrall, TX?

218 Castro, Thrall, TX has 1 bathrooms, 916 square feet of living space and a 0.05-acre lot.

When was 218 Castro, Thrall, TX built?

218 Castro, Thrall, TX was built in 2008, making it 18 years old. The building has 1 story.

What schools serve 218 Castro, Thrall, TX?

218 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 218 Castro, Thrall, TX compare to other homes in Thrall 76578?

Among the 973 homes in Thrall 76578, it is worth more than 14% of them ($166,125 against a typical $285,757), its price per square foot is higher than 45% of them ($181 against a typical $188), it is bigger than 11% of them (916 ft² against a typical 1,512 ft²), its lot is bigger than almost none of them (2,178 ft² against a typical 1 ac) and it is newer than 69% of them (2008 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 218 Castro, Thrall, TX?

The 2025 property tax bill for 218 Castro, Thrall, TX was $754. The county assessed it at $129,529.

More homes on Castro

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Assigned schools

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