Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$399,012$185 / 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 97How 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

6440 KNOLL RIDGE DR

DALLAS, TX 75249
5
Beds
2.5
Baths
2,153 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
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

$399K
$387K low$411K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,113 (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.$382,490 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$70,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$312,490
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$304,170
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$382,490

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDALLAS
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2010
Lot (acres)The size of the land the home sits on, from county records.0.19
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.Yes

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
Hyman Elementary SchoolC
Elementary · Grades PK–5 · 0.9 mi
M
Kennemer Middle SchoolC
Middle · Grades 6–8 · 1.1 mi
H
Duncanville High SchoolD+
High · Grades 9–12 · 2.5 mi

District: Duncanville Independent School District

Neighborhood · ZIP 75249These 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.51
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.97%
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.8.0%
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.15,212
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,710 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,799
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,066
Average tempThe average temperature here across a full year.65°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%

Owner Tools

Do you own this home?
Claim this home

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

6440 Knoll Ridge 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 94% of homes in Dallas 75249
  • Costs more per square foot than 84% of homes in Dallas 75249
  • Bigger than 77% of homes in Dallas 75249
  • Has a bigger lot than 81% of homes in Dallas 75249
  • Newer than 69% of homes in Dallas County

What homes are worth in Dallas 75249

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

This home
$214K$428K

This home is worth more than 94% of homes in Dallas 75249.

How it measures up in Dallas 75249

The dot is this home. The mark in the middle is the typical home in Dallas 75249.

Estimated value$399,012
CheaperTypical $292,035Pricier

Pricier than 94% of homes nearby

Price per ft²$185
CheaperTypical $162Pricier

Pricier than 84% of homes nearby

Living area2,153 ft²
SmallerTypical 1,772 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.19 ac
SmallerTypical 0.16 acBigger

Bigger than 81% of homes nearby

Year built1989
OlderTypical 1989Newer

Newer than 52% of homes nearby

How 6440 Knoll Ridge Dr ranks against every home in each area.
MeasureThis homeDallas 75249Dallas County
Estimated valuepricier than$399,01294% of homes67% of homes
Price per ft²pricier than$18584% of homes46% of homes
Living areabigger than2,153 ft²77% of homes70% of homes
Lot sizebigger than0.19 ac81% of homes49% of homes
Year builtnewer than198952% of homes69% of homes

About 6440 Knoll Ridge Dr

How much is 6440 Knoll Ridge Dr, Dallas, TX worth?

The TopHap Estimate for 6440 Knoll Ridge Dr, Dallas, TX is $399,012 as of Aug 30, 2026. The likely range is $387,345 to $410,679. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6440 Knoll Ridge Dr, Dallas, TX last sell?

6440 Knoll Ridge Dr, Dallas, TX last sold on Oct 14, 2025, according to the county's recorded deed.

How big is 6440 Knoll Ridge Dr, Dallas, TX?

6440 Knoll Ridge Dr, Dallas, TX has 5 bedrooms, 2.5 bathrooms, 2,153 square feet of living space and a 0.19-acre lot.

When was 6440 Knoll Ridge Dr, Dallas, TX built?

6440 Knoll Ridge Dr, Dallas, TX was built in 1989, making it 37 years old. The building has 2 stories.

What schools serve 6440 Knoll Ridge Dr, Dallas, TX?

6440 Knoll Ridge Dr, Dallas, TX is assigned to Hyman Elementary School (elementary), rated C; Kennemer Middle School (middle), rated C; Duncanville High School (high), rated D+. All sit in Duncanville Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6440 Knoll Ridge Dr, Dallas, TX compare to other homes in Dallas 75249?

Among the 4,844 homes in Dallas 75249, it is worth more than 94% of them ($399,012 against a typical $292,035), its price per square foot is higher than 84% of them ($185 against a typical $162), it is bigger than 77% of them (2,153 ft² against a typical 1,772 ft²), its lot is bigger than 81% of them (0.19 ac against a typical 0.16 ac) and it is newer than 52% of them (1989 against a typical 1989). Measured against all of Dallas County, it is worth more than 67% 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 6440 Knoll Ridge Dr, Dallas, TX?

The 2025 property tax bill for 6440 Knoll Ridge Dr, Dallas, TX was $7,113. The county assessed it at $382,490.

More homes on Knoll Ridge Dr

Closest homes

More homes in Dallas 75249

Assigned schools

Explore the area

See this home in context

Open 6440 Knoll Ridge Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map