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Single Family ResidenceResidential
$339,580$218 / 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 96How 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 $123,500 on Jul 16, 2010

1139 SOUTHWESTERN DR

RICHARDSON, TX 75081
3
Beds
2
Baths
1,559 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
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

$340K
$325K low$354K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$123,500 · Jul 16, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,350 (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.$311,590 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$115,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$196,590
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$291,070
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$311,590

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.0.18
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.Spa/Hot Tub (Only)

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
Mark Twain Elementary SchoolD+
Elementary · Grades PK–6 · 0.2 mi
M
Apollo Junior High SchoolC
Middle · Grades 7–8 · 0.6 mi
H
Berkner High SchoolD+
High · Grades 9–12 · 1.2 mi

District: Richardson Independent School District

Neighborhood · ZIP 75081These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.37,696
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,098 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,627
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,191
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

1139 Southwestern 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 80% of homes in Richardson 75081
  • Costs more per square foot than 70% of homes in Richardson 75081
  • Smaller than 81% of homes in Richardson 75081
  • Has a smaller lot than 80% of homes in Richardson 75081
  • Newer than 94% of homes in Mark Twain

What homes are worth in Richardson 75081

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

This home
$236K$643K

This home is worth more than 20% of homes in Richardson 75081.

How it measures up in Richardson 75081

The dot is this home. The mark in the middle is the typical home in Richardson 75081.

Estimated value$339,580
CheaperTypical $401,799Pricier

Pricier than 20% of homes nearby

Price per ft²$218
CheaperTypical $202Pricier

Pricier than 70% of homes nearby

Living area1,559 ft²
SmallerTypical 1,994 ft²Bigger

Bigger than 19% of homes nearby

Lot size0.18 ac
SmallerTypical 0.21 acBigger

Bigger than 20% of homes nearby

Year built1977
OlderTypical 1975Newer

Newer than 69% of homes nearby

How 1139 Southwestern Dr ranks against every home in each area.
MeasureThis homeMark TwainRichardson 75081Dallas County
Estimated valuepricier than$339,58073% of homes20% of homes57% of homes
Price per ft²pricier than$21839% of homes70% of homes67% of homes
Living areabigger than1,559 ft²72% of homes19% of homes42% of homes
Lot sizebigger than0.18 ac40% of homes20% of homes45% of homes
Year builtnewer than197794% of homes69% of homes50% of homes

About 1139 Southwestern Dr

How much is 1139 Southwestern Dr, Richardson, TX worth?

The TopHap Estimate for 1139 Southwestern Dr, Richardson, TX is $339,580 as of Sep 24, 2026. The likely range is $324,724 to $354,436. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1139 Southwestern Dr, Richardson, TX last sell?

1139 Southwestern Dr, Richardson, TX last sold on Jul 16, 2010 for $123,500, according to the county's recorded deed.

How big is 1139 Southwestern Dr, Richardson, TX?

1139 Southwestern Dr, Richardson, TX has 3 bedrooms, 2 bathrooms, 1,559 square feet of living space and a 0.18-acre lot.

When was 1139 Southwestern Dr, Richardson, TX built?

1139 Southwestern Dr, Richardson, TX was built in 1977, making it 49 years old. The building has 1 story.

What schools serve 1139 Southwestern Dr, Richardson, TX?

1139 Southwestern Dr, Richardson, TX is assigned to Mark Twain Elementary School (elementary), rated D+; Apollo Junior High School (middle), rated C; Berkner High School (high), rated D+. All sit in Richardson Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1139 Southwestern Dr, Richardson, TX compare to other homes in Richardson 75081?

Among the 9,922 homes in Richardson 75081, it is worth more than 20% of them ($339,580 against a typical $401,799), its price per square foot is higher than 70% of them ($218 against a typical $202), it is bigger than 19% of them (1,559 ft² against a typical 1,994 ft²), its lot is bigger than 20% of them (0.18 ac against a typical 0.21 ac) and it is newer than 69% of them (1977 against a typical 1975). Measured against all of Dallas County, it is worth more than 57% 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 1139 Southwestern Dr, Richardson, TX?

The 2025 property tax bill for 1139 Southwestern Dr, Richardson, TX was $6,350. The county assessed it at $311,590.

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