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Single Family ResidenceResidential
$929,323$293 / 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 93How 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

14820 KNOLLVIEW DR

DALLAS, TX 75248
4
Beds
3
Baths
3,177 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.
1970
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

$929K
$867K low$991K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,374 (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.$825,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$250,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$575,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$825,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$825,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDALLAS
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(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.

E
Prestonwood Elementary SchoolA
Elementary · Grades PK–6 · 0.8 mi
M
Westwood Junior High: the Math, Science, Leadership MagnetB+
Middle · Grades 7–8 · 0.9 mi
H
Richardson High SchoolB
High · Grades 9–12 · 1.4 mi

District: Richardson Independent School District

Neighborhood · ZIP 75248These 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.93
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 100.26

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
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.39,191
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,326 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,502
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,744
Average tempThe average temperature here across a full year.65°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

14820 Knollview 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 92% of homes in Dallas County
  • Costs more per square foot than 85% of homes in Dallas County
  • Bigger than 89% of homes in Dallas County
  • Older than 80% of homes in Dallas 75248

What homes are worth in Dallas 75248

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

This home
$122K$2.4M

This home is worth more than 80% of homes in Dallas 75248.

How it measures up in Dallas 75248

The dot is this home. The mark in the middle is the typical home in Dallas 75248.

Estimated value$929,323
CheaperTypical $694,743Pricier

Pricier than 80% of homes nearby

Price per ft²$293
CheaperTypical $274Pricier

Pricier than 69% of homes nearby

Living area3,177 ft²
SmallerTypical 2,470 ft²Bigger

Bigger than 78% of homes nearby

Year built1970
OlderTypical 1978Newer

Newer than 20% of homes nearby

How 14820 Knollview Dr ranks against every home in each area.
MeasureThis homePrestonwood EstatesDallas 75248Dallas County
Estimated valuepricier than$929,32380% of homes80% of homes92% of homes
Price per ft²pricier than$29374% of homes69% of homes85% of homes
Living areabigger than3,177 ft²72% of homes78% of homes89% of homes
Year builtnewer than197050% of homes20% of homes41% of homes

About 14820 Knollview Dr

How much is 14820 Knollview Dr, Dallas, TX worth?

The TopHap Estimate for 14820 Knollview Dr, Dallas, TX is $929,323 as of Oct 21, 2026. The likely range is $867,286 to $991,360. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 14820 Knollview Dr, Dallas, TX last sell?

14820 Knollview Dr, Dallas, TX last sold on Mar 12, 2021, according to the county's recorded deed.

How big is 14820 Knollview Dr, Dallas, TX?

14820 Knollview Dr, Dallas, TX has 4 bedrooms, 3 bathrooms and 3,177 square feet of living space.

When was 14820 Knollview Dr, Dallas, TX built?

14820 Knollview Dr, Dallas, TX was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 14820 Knollview Dr, Dallas, TX?

14820 Knollview Dr, Dallas, TX is assigned to Prestonwood Elementary School (elementary), rated A; Westwood Junior High: the Math, Science, Leadership Magnet (middle), rated B+; Richardson High School (high), rated B. All sit in Richardson Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 14820 Knollview Dr, Dallas, TX compare to other homes in Dallas 75248?

Among the 11,243 homes in Dallas 75248, it is worth more than 80% of them ($929,323 against a typical $694,743), its price per square foot is higher than 69% of them ($293 against a typical $274), it is bigger than 78% of them (3,177 ft² against a typical 2,470 ft²) and it is newer than 20% of them (1970 against a typical 1978). Measured against all of Dallas County, it is worth more than 92% 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 14820 Knollview Dr, Dallas, TX?

The 2025 property tax bill for 14820 Knollview Dr, Dallas, TX was $12,374. The county assessed it at $825,000.

More homes on Knollview Dr

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Assigned schools

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