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Single Family ResidenceResidential
$260,000$154 / 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 98How 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
Last sold for $227,250 on Sep 2, 2026

15818 CASTORGLEN DR

WEBSTER, TX 77598
3
Beds
2
Baths
1,693 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$260K
$254K low$266K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$227,250 · Sep 2, 2026

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$283,637 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,583
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$234,054
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$260,777
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$283,637

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.15 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.''

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
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.0.15
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.Neighborhood
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 72 ft²

Transaction History(3)

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.

E
G.H. Whitcomb Elementary SchoolC+
Elementary · Grades PK–5 · 1.0 mi
M
Clear Lake Intermediate SchoolC+
Middle · Grades 6–8 · 1.3 mi
H
Clear Lake High SchoolA-
High · Grades 9–12 · 3.0 mi

District: Clear Creek Independent School District

Neighborhood · ZIP 77598These 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.125
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.27,451
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,197 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,507
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,107
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.54 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

15818 Castorglen Dr 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.

  • Has a smaller lot than 79% of homes in Webster 77598
  • Newer than 72% of homes in Webster 77598

What homes are worth in Webster 77598

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

This home
$81K$615K

This home is worth more than 48% of homes in Webster 77598.

How it measures up in Webster 77598

The dot is this home. The mark in the middle is the typical home in Webster 77598.

Estimated value$260,000
CheaperTypical $262,035Pricier

Pricier than 48% of homes nearby

Price per ft²$154
CheaperTypical $161Pricier

Pricier than 36% of homes nearby

Living area1,693 ft²
SmallerTypical 1,579 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.15 ac
SmallerTypical 0.18 acBigger

Bigger than 21% of homes nearby

Year built1983
OlderTypical 1981Newer

Newer than 72% of homes nearby

How 15818 Castorglen Dr ranks against every home in each area.
MeasureThis homeWebster 77598Harris County
Estimated valuepricier than$260,00048% of homes40% of homes
Price per ft²pricier than$15436% of homes51% of homes
Living areabigger than1,693 ft²62% of homes40% of homes
Lot sizebigger than0.15 ac21% of homes41% of homes
Year builtnewer than198372% of homes47% of homes

About 15818 Castorglen Dr

How much is 15818 Castorglen Dr, Webster, TX worth?

The TopHap Estimate for 15818 Castorglen Dr, Webster, TX is $260,000 as of Aug 30, 2026. The likely range is $254,292 to $265,708. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15818 Castorglen Dr, Webster, TX last sell?

15818 Castorglen Dr, Webster, TX last sold on Sep 2, 2026 for $227,250, according to the county's recorded deed.

How big is 15818 Castorglen Dr, Webster, TX?

15818 Castorglen Dr, Webster, TX has 3 bedrooms, 2 bathrooms, 1,693 square feet of living space and a 0.15-acre lot.

When was 15818 Castorglen Dr, Webster, TX built?

15818 Castorglen Dr, Webster, TX was built in 1983, making it 43 years old. It is a traditional/old home. The building has 1 story.

What schools serve 15818 Castorglen Dr, Webster, TX?

15818 Castorglen Dr, Webster, TX is assigned to G.H. Whitcomb Elementary School (elementary), rated C+; Clear Lake Intermediate School (middle), rated C+; Clear Lake High School (high), rated A-. All sit in Clear Creek Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15818 Castorglen Dr, Webster, TX compare to other homes in Webster 77598?

Among the 3,984 homes in Webster 77598, it is worth more than 48% of them ($260,000 against a typical $262,035), its price per square foot is higher than 36% of them ($154 against a typical $161), it is bigger than 62% of them (1,693 ft² against a typical 1,579 ft²), its lot is bigger than 21% of them (0.15 ac against a typical 0.18 ac) and it is newer than 72% of them (1983 against a typical 1981). Measured against all of Harris County, it is worth more than 40% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Castorglen Dr

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Assigned schools

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