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Single Family ResidenceResidential
$650,534$184 / 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 Aug 30, 2026
Last sold for $275,000 on Jun 6, 2007

6521 ROUNDROCK TRL

PLANO, TX 75023
5
Beds
4
Baths
3,527 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$651K
$626K low$675K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Jun 6, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,012 (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.$593,648 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$449,250
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$539,680
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$609,250

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCOLLIN
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Wood (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.Porch · 298 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(1)

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

M
Schimelpfenig Middle SchoolA+
Middle · Grades 6–8 · 0.2 mi
E
Carlisle Elementary SchoolA-
Elementary · Grades KG–5 · 0.3 mi
H
Plano Senior High SchoolA-
High · Grades 11–12 · 2.3 mi

District: Plano Independent School District

Neighborhood · ZIP 75023These 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.82
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.9%
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.53,287
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,892 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,847
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,684
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

6521 Roundrock Trl 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 91% of homes in Plano 75023
  • Costs less per square foot than 93% of homes in Plano 75023
  • Bigger than 96% of homes in Plano 75023
  • Has a smaller lot than 92% of homes in Hunters Glen
  • Newer than 98% of homes in Plano 75023

What homes are worth in Plano 75023

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

This home
$293K$780K

This home is worth more than 91% of homes in Plano 75023.

How it measures up in Plano 75023

The dot is this home. The mark in the middle is the typical home in Plano 75023.

Estimated value$650,534
CheaperTypical $438,776Pricier

Pricier than 91% of homes nearby

Price per ft²$184
CheaperTypical $212Pricier

Pricier than 7% of homes nearby

Living area3,527 ft²
SmallerTypical 2,048 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 16% of homes nearby

Year built1996
OlderTypical 1981Newer

Newer than 98% of homes nearby

How 6521 Roundrock Trl ranks against every home in each area.
MeasureThis homeHunters GlenPlano 75023Collin County
Estimated valuepricier than$650,53488% of homes91% of homes71% of homes
Price per ft²pricier than$18410% of homes7% of homes22% of homes
Living areabigger than3,527 ft²93% of homes96% of homes81% of homes
Lot sizebigger than0.15 ac8% of homes16% of homes30% of homes
Year builtnewer than199697% of homes98% of homes31% of homes

About 6521 Roundrock Trl

How much is 6521 Roundrock Trl, Plano, TX worth?

The TopHap Estimate for 6521 Roundrock Trl, Plano, TX is $650,534 as of Aug 30, 2026. The likely range is $625,700 to $675,368. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6521 Roundrock Trl, Plano, TX last sell?

6521 Roundrock Trl, Plano, TX last sold on Jun 6, 2007 for $275,000, according to the county's recorded deed.

How big is 6521 Roundrock Trl, Plano, TX?

6521 Roundrock Trl, Plano, TX has 5 bedrooms, 4 bathrooms, 3,527 square feet of living space and a 0.15-acre lot.

When was 6521 Roundrock Trl, Plano, TX built?

6521 Roundrock Trl, Plano, TX was built in 1996, making it 30 years old. The building has 2 stories.

What schools serve 6521 Roundrock Trl, Plano, TX?

6521 Roundrock Trl, Plano, TX is assigned to Schimelpfenig Middle School (middle), rated A+; Carlisle Elementary School (elementary), rated A-; Plano Senior High School (high), rated A-. All sit in Plano Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6521 Roundrock Trl, Plano, TX compare to other homes in Plano 75023?

Among the 14,318 homes in Plano 75023, it is worth more than 91% of them ($650,534 against a typical $438,776), its price per square foot is higher than 7% of them ($184 against a typical $212), it is bigger than 96% of them (3,527 ft² against a typical 2,048 ft²), its lot is bigger than 16% of them (0.15 ac against a typical 0.19 ac) and it is newer than 98% of them (1996 against a typical 1981). Measured against all of Collin County, it is worth more than 71% 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 6521 Roundrock Trl, Plano, TX?

The 2025 property tax bill for 6521 Roundrock Trl, Plano, TX was $8,012. The county assessed it at $593,648.

More homes on Roundrock Trl

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