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Single Family ResidenceResidential
$767,167$158 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $275,500 on Jul 28, 2003

14135 CASTOR ST

TOMBALL, TX 77375
4
Beds
4 / 2
Baths
4,861 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$767K
$721K low$814K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,500 · Jul 28, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,644 (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.$628,186 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,812
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$540,374
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$637,031
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$628,186

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyHARRIS
Lot (acres)The size of the land the home sits on, from county records.0.21
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Primary
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 27 ft²

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

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

M
Tomball Junior High SchoolB+
Middle · Grades 7–8 · 0.5 mi
H
Tomball High SchoolA-
High · Grades 9–12 · 0.6 mi
E
Tomball Elementary SchoolA-
Elementary · Grades KG–4 · 1.2 mi

District: Tomball Independent School District

Neighborhood · ZIP 77375These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.67,158
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,888 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,738
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,188
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

14135 Castor St 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.

  • Worth more than 93% of homes in Harris County
  • Bigger than 98% of homes in Tomball 77375
  • Has a bigger lot than 72% of homes in Harris County
  • Older than 68% of homes in Tomball 77375

What homes are worth in Tomball 77375

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

This home
$208K$1.6M

This home is worth more than 86% of homes in Tomball 77375.

How it measures up in Tomball 77375

The dot is this home. The mark in the middle is the typical home in Tomball 77375.

Estimated value$767,167
CheaperTypical $357,657Pricier

Pricier than 86% of homes nearby

Price per ft²$158
CheaperTypical $164Pricier

Pricier than 44% of homes nearby

Living area4,861 ft²
SmallerTypical 2,243 ft²Bigger

Bigger than 98% of homes nearby

Lot size0.21 ac
SmallerTypical 0.17 acBigger

Bigger than 70% of homes nearby

Year built2003
OlderTypical 2008Newer

Newer than 32% of homes nearby

How 14135 Castor St ranks against every home in each area.
MeasureThis homeTomball 77375Harris County
Estimated valuepricier than$767,16786% of homes93% of homes
Price per ft²pricier than$15844% of homes57% of homes
Living areabigger than4,861 ft²98% of homes98% of homes
Lot sizebigger than0.21 ac70% of homes72% of homes
Year builtnewer than200332% of homes68% of homes

About 14135 Castor St

How much is 14135 Castor St, Tomball, TX worth?

The TopHap Estimate for 14135 Castor St, Tomball, TX is $767,167 as of Sep 24, 2026. The likely range is $720,717 to $813,617. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 14135 Castor St, Tomball, TX last sell?

14135 Castor St, Tomball, TX last sold on Jul 28, 2003 for $275,500, according to the county's recorded deed.

How big is 14135 Castor St, Tomball, TX?

14135 Castor St, Tomball, TX has 4 bedrooms, 4 bathrooms, 4,861 square feet of living space and a 0.21-acre lot.

When was 14135 Castor St, Tomball, TX built?

14135 Castor St, Tomball, TX was built in 2003, making it 23 years old. It is a traditional/old home. The building has 1 story.

What schools serve 14135 Castor St, Tomball, TX?

14135 Castor St, Tomball, TX is assigned to Tomball Junior High School (middle), rated B+; Tomball High School (high), rated A-; Tomball Elementary School (elementary), rated A-. All sit in Tomball Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 14135 Castor St, Tomball, TX compare to other homes in Tomball 77375?

Among the 22,674 homes in Tomball 77375, it is worth more than 86% of them ($767,167 against a typical $357,657), its price per square foot is higher than 44% of them ($158 against a typical $164), it is bigger than 98% of them (4,861 ft² against a typical 2,243 ft²), its lot is bigger than 70% of them (0.21 ac against a typical 0.17 ac) and it is newer than 32% of them (2003 against a typical 2008). Measured against all of Harris County, it is worth more than 93% of 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 14135 Castor St, Tomball, TX?

The 2025 property tax bill for 14135 Castor St, Tomball, TX was $8,644. The county assessed it at $628,186.

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