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Single Family ResidenceResidential
$439,000$247 / 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 $213,800 on May 26, 2015

638 DUNCAN DR

COPPELL, TX 75019
3
Beds
2
Baths
1,776 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$439K
$430K low$448K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$213,800 · May 26, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,398 (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.$392,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$90,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$302,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$428,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$392,000

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.0.14
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

Transaction History(5)

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
Barbara S Austin Elementary SchoolA
Elementary · Grades PK–5 · 1.0 mi
M
Coppell Middle School EastA+
Middle · Grades 6–8 · 1.3 mi
H
Coppell High SchoolA
High · Grades 9–12 · 1.5 mi

District: Coppell Independent School District

Neighborhood · ZIP 75019These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.44,298
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,572 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,232
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$181,073
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

638 Duncan 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 less than 87% of homes in Coppell 75019
  • Costs more per square foot than 76% of homes in Dallas County
  • Smaller than 80% of homes in Coppell 75019
  • Has a smaller lot than 85% of homes in Dallas County
  • Older than 71% of homes in Coppell 75019

What homes are worth in Coppell 75019

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

This home
$328K$1.5M

This home is worth more than 13% of homes in Coppell 75019.

How it measures up in Coppell 75019

The dot is this home. The mark in the middle is the typical home in Coppell 75019.

Estimated value$439,000
CheaperTypical $655,928Pricier

Pricier than 13% of homes nearby

Price per ft²$247
CheaperTypical $258Pricier

Pricier than 34% of homes nearby

Living area1,776 ft²
SmallerTypical 2,559 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.14 ac
SmallerTypical 0.21 acBigger

Bigger than 20% of homes nearby

Year built1985
OlderTypical 1992Newer

Newer than 29% of homes nearby

How 638 Duncan Dr ranks against every home in each area.
MeasureThis homeCoppell 75019Dallas County
Estimated valuepricier than$439,00013% of homes72% of homes
Price per ft²pricier than$24734% of homes76% of homes
Living areabigger than1,776 ft²20% of homes54% of homes
Lot sizebigger than0.14 ac20% of homes15% of homes
Year builtnewer than198529% of homes65% of homes

About 638 Duncan Dr

How much is 638 Duncan Dr, Coppell, TX worth?

The TopHap Estimate for 638 Duncan Dr, Coppell, TX is $439,000 as of Aug 30, 2026. The likely range is $430,334 to $447,666. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 638 Duncan Dr, Coppell, TX last sell?

638 Duncan Dr, Coppell, TX last sold on May 26, 2015 for $213,800, according to the county's recorded deed.

How big is 638 Duncan Dr, Coppell, TX?

638 Duncan Dr, Coppell, TX has 3 bedrooms, 2 bathrooms, 1,776 square feet of living space and a 0.14-acre lot.

When was 638 Duncan Dr, Coppell, TX built?

638 Duncan Dr, Coppell, TX was built in 1985, making it 41 years old. The building has 1 story.

What schools serve 638 Duncan Dr, Coppell, TX?

638 Duncan Dr, Coppell, TX is assigned to Barbara S Austin Elementary School (elementary), rated A; Coppell Middle School East (middle), rated A+; Coppell High School (high), rated A. All sit in Coppell Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 638 Duncan Dr, Coppell, TX compare to other homes in Coppell 75019?

Among the 12,431 homes in Coppell 75019, it is worth more than 13% of them ($439,000 against a typical $655,928), its price per square foot is higher than 34% of them ($247 against a typical $258), it is bigger than 20% of them (1,776 ft² against a typical 2,559 ft²), its lot is bigger than 20% of them (0.14 ac against a typical 0.21 ac) and it is newer than 29% of them (1985 against a typical 1992). Measured against all of Dallas County, it is worth more than 72% 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 638 Duncan Dr, Coppell, TX?

The 2025 property tax bill for 638 Duncan Dr, Coppell, TX was $8,398. The county assessed it at $392,000.

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