Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$373,077$211 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $230,600 on Jun 24, 2015

423 SUMMIT DR

RICHARDSON, TX 75081
4
Beds
2
Baths
1,767 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
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

$373K
$349K low$397K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,600 · Jun 24, 2015
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$373,077
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$298,462

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,038 (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.$350,570 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$150,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$200,570
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$386,180
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$350,570

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.0.23
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 168 ft²

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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Richardson Terrace Elementary SchoolA-
Elementary · Grades PK–6 · 0.9 mi
H
Berkner High SchoolC-
High · Grades 9–12 · 1.9 mi
M
Apollo Junior High SchoolC+
Middle · Grades 7–8 · 2.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

423 Summit 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 68% of homes in Richardson 75081
  • Costs less per square foot than 69% of homes in Highland Terrace
  • Smaller than 69% of homes in Richardson 75081
  • Has a bigger lot than 75% of homes in Richardson 75081
  • Older than 81% of homes in Richardson 75081

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
$230K$666K

This home is worth more than 32% 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$373,077
CheaperTypical $405,710Pricier

Pricier than 32% of homes nearby

Price per ft²$211
CheaperTypical $205Pricier

Pricier than 59% of homes nearby

Living area1,767 ft²
SmallerTypical 1,998 ft²Bigger

Bigger than 31% of homes nearby

Lot size0.24 ac
SmallerTypical 0.21 acBigger

Bigger than 75% of homes nearby

Year built1967
OlderTypical 1975Newer

Newer than 19% of homes nearby

How 423 Summit Dr ranks against every home in each area.
MeasureThis homeHighland TerraceRichardson 75081Dallas County
Estimated valuepricier than$373,07755% of homes32% of homes62% of homes
Price per ft²pricier than$21131% of homes59% of homes62% of homes
Living areabigger than1,767 ft²60% of homes31% of homes53% of homes
Lot sizebigger than0.24 ac55% of homes75% of homes69% of homes
Year builtnewer than196775% of homes19% of homes36% of homes

About 423 Summit Dr

How much is 423 Summit Dr, Richardson, TX worth?

The TopHap Estimate for 423 Summit Dr, Richardson, TX is $373,077 as of Jul 14, 2026. The likely range is $349,292 to $396,862. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 423 Summit Dr, Richardson, TX last sell?

423 Summit Dr, Richardson, TX last sold on Jun 24, 2015 for $230,600, according to the county's recorded deed.

How big is 423 Summit Dr, Richardson, TX?

423 Summit Dr, Richardson, TX has 4 bedrooms, 2 bathrooms, 1,767 square feet of living space and a 0.23-acre lot.

When was 423 Summit Dr, Richardson, TX built?

423 Summit Dr, Richardson, TX was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 423 Summit Dr, Richardson, TX?

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

How does 423 Summit Dr, Richardson, TX compare to other homes in Richardson 75081?

Among the 9,921 homes in Richardson 75081, it is worth more than 32% of them ($373,077 against a typical $405,710), its price per square foot is higher than 59% of them ($211 against a typical $205), it is bigger than 31% of them (1,767 ft² against a typical 1,998 ft²), its lot is bigger than 75% of them (0.24 ac against a typical 0.21 ac) and it is newer than 19% of them (1967 against a typical 1975). Measured against all of Dallas County, it is worth more than 62% 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 423 Summit Dr, Richardson, TX?

The 2025 property tax bill for 423 Summit Dr, Richardson, TX was $6,038. The county assessed it at $350,570.

Closest homes

More homes in Richardson 75081

Assigned schools

Explore the area

See this home in context

Open 423 Summit 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