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Single Family ResidenceResidential
$2,102,753$423 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $521,300 on Jul 21, 2008

9451 THORNBERRY LN

DALLAS, TX 75220
4
Beds
3.5
Baths
4,970 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
2007
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.1M
$1.7M low$2.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$521,300 · Jul 21, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,370 (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.$1,626,510 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$575,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,051,510
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,685,190
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,626,510

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.0.33
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(4)

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.

H
Thomas Jefferson High SchoolD-
High · Grades 9–12 · 1.1 mi
E
Walnut Hill International Leadership AcademyB
Elementary · Grades EE–8 · 1.3 mi

District: Dallas Independent School District

Neighborhood · ZIP 75220These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
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.43,125
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,699 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,528
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$96,621
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

9451 Thornberry Ln 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 97% of homes in Dallas County
  • Costs more per square foot than 94% of homes in Dallas County
  • Bigger than 97% of homes in Dallas County
  • Has a bigger lot than 95% of homes in Midway Hollow
  • Newer than 88% of homes in Dallas County

What homes are worth in Dallas 75220

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

This home
$111K$8.6M

This home is worth more than 86% of homes in Dallas 75220.

How it measures up in Dallas 75220

The dot is this home. The mark in the middle is the typical home in Dallas 75220.

Estimated value$2,102,753
CheaperTypical $622,860Pricier

Pricier than 86% of homes nearby

Price per ft²$423
CheaperTypical $360Pricier

Pricier than 62% of homes nearby

Living area4,970 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 87% of homes nearby

Lot size0.33 ac
SmallerTypical 0.22 acBigger

Bigger than 73% of homes nearby

Year built2007
OlderTypical 1955Newer

Newer than 83% of homes nearby

How 9451 Thornberry Ln ranks against every home in each area.
MeasureThis homeMidway HollowDallas 75220Dallas County
Estimated valuepricier than$2,102,75396% of homes86% of homes97% of homes
Price per ft²pricier than$42347% of homes62% of homes94% of homes
Living areabigger than4,970 ft²96% of homes87% of homes97% of homes
Lot sizebigger than0.33 ac95% of homes73% of homes83% of homes
Year builtnewer than200771% of homes83% of homes88% of homes

About 9451 Thornberry Ln

How much is 9451 Thornberry Ln, Dallas, TX worth?

The TopHap Estimate for 9451 Thornberry Ln, Dallas, TX is $2,102,753 as of Oct 21, 2026. The likely range is $1,732,027 to $2,473,479. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9451 Thornberry Ln, Dallas, TX last sell?

9451 Thornberry Ln, Dallas, TX last sold on Jul 21, 2008 for $521,300, according to the county's recorded deed.

How big is 9451 Thornberry Ln, Dallas, TX?

9451 Thornberry Ln, Dallas, TX has 4 bedrooms, 3.5 bathrooms, 4,970 square feet of living space and a 0.33-acre lot.

When was 9451 Thornberry Ln, Dallas, TX built?

9451 Thornberry Ln, Dallas, TX was built in 2007, making it 19 years old. The building has 2 stories.

What schools serve 9451 Thornberry Ln, Dallas, TX?

9451 Thornberry Ln, Dallas, TX is assigned to Thomas Jefferson High School (high), rated D-; Walnut Hill International Leadership Academy (elementary), rated B. All sit in Dallas Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9451 Thornberry Ln, Dallas, TX compare to other homes in Dallas 75220?

Among the 5,972 homes in Dallas 75220, it is worth more than 86% of them ($2,102,753 against a typical $622,860), its price per square foot is higher than 62% of them ($423 against a typical $360), it is bigger than 87% of them (4,970 ft² against a typical 1,680 ft²), its lot is bigger than 73% of them (0.33 ac against a typical 0.22 ac) and it is newer than 83% of them (2007 against a typical 1955). Measured against all of Dallas County, it is worth more than 97% 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 9451 Thornberry Ln, Dallas, TX?

The 2025 property tax bill for 9451 Thornberry Ln, Dallas, TX was $16,370. The county assessed it at $1,626,510.

More homes on Thornberry Ln

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