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Single Family ResidenceResidential
$256,197$138 / 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

10440 CASTLEROCK DR

DALLAS, TX 75217
3
Beds
2
Baths
1,860 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$256K
$240K low$272K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9 (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.$294,090 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$244,090
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$261,420
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$294,090

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDALLAS
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

E
John W. Runyon Elementary SchoolC
Elementary · Grades PK–5 · 0.2 mi
M
Young Men's Leadership Academy at Fred F. Florence Middle SchoolD
Middle · Grades 6–8 · 0.3 mi
H
W.W. Samuell High SchoolC-
High · Grades 9–12 · 1.4 mi

District: Dallas Independent School District

Neighborhood · ZIP 75217These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.5.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.82,511
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,051 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,779
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,260
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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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

10440 Castlerock 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.

  • Worth more than 85% of homes in Pleasant Grove
  • Costs less per square foot than 92% of homes in Dallas County
  • Bigger than 93% of homes in Pleasant Grove

What homes are worth in Dallas 75217

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

This home
$130K$327K

This home is worth more than 82% of homes in Dallas 75217.

How it measures up in Dallas 75217

The dot is this home. The mark in the middle is the typical home in Dallas 75217.

Estimated value$256,197
CheaperTypical $216,726Pricier

Pricier than 82% of homes nearby

Price per ft²$138
CheaperTypical $173Pricier

Pricier than 9% of homes nearby

Living area1,860 ft²
SmallerTypical 1,264 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.17 ac
SmallerTypical 0.18 acBigger

Bigger than 38% of homes nearby

Year built1966
OlderTypical 1960Newer

Newer than 59% of homes nearby

How 10440 Castlerock Dr ranks against every home in each area.
MeasureThis homePleasant GroveDallas 75217Dallas County
Estimated valuepricier than$256,19785% of homes82% of homes30% of homes
Price per ft²pricier than$1389% of homes9% of homes8% of homes
Living areabigger than1,860 ft²93% of homes92% of homes58% of homes
Lot sizebigger than0.17 ac37% of homes38% of homes37% of homes
Year builtnewer than196661% of homes59% of homes36% of homes

About 10440 Castlerock Dr

How much is 10440 Castlerock Dr, Dallas, TX worth?

The TopHap Estimate for 10440 Castlerock Dr, Dallas, TX is $256,197 as of Sep 24, 2026. The likely range is $239,978 to $272,416. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10440 Castlerock Dr, Dallas, TX last sell?

10440 Castlerock Dr, Dallas, TX last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 10440 Castlerock Dr, Dallas, TX?

10440 Castlerock Dr, Dallas, TX has 3 bedrooms, 2 bathrooms, 1,860 square feet of living space and a 0.17-acre lot.

When was 10440 Castlerock Dr, Dallas, TX built?

10440 Castlerock Dr, Dallas, TX was built in 1966, making it 60 years old. The building has 1 story.

What schools serve 10440 Castlerock Dr, Dallas, TX?

10440 Castlerock Dr, Dallas, TX is assigned to John W. Runyon Elementary School (elementary), rated C; Young Men's Leadership Academy at Fred F. Florence Middle School (middle), rated D; W.W. Samuell High School (high), rated C-. All sit in Dallas Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10440 Castlerock Dr, Dallas, TX compare to other homes in Dallas 75217?

Among the 20,379 homes in Dallas 75217, it is worth more than 82% of them ($256,197 against a typical $216,726), its price per square foot is higher than 9% of them ($138 against a typical $173), it is bigger than 92% of them (1,860 ft² against a typical 1,264 ft²), its lot is bigger than 38% of them (0.17 ac against a typical 0.18 ac) and it is newer than 59% of them (1966 against a typical 1960). Measured against all of Dallas County, it is worth more than 30% 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 10440 Castlerock Dr, Dallas, TX?

The 2025 property tax bill for 10440 Castlerock Dr, Dallas, TX was $9. The county assessed it at $294,090.

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