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Single Family ResidenceResidential
Last sold for $520,000 on Jan 28, 2021

509 RIVER ROCK WAY

ALLEN, TX 75002
4
Beds
3
Baths
2,995 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$520,000 · Jan 28, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,880 (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.$557,657 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$153,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$404,657
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$557,556
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$557,657

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.0.11
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
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.No

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.

H
Allen High SchoolA
High · Grades 9–12 · 0.3 mi
E
Reed Elementary SchoolB-
Elementary · Grades KG–6 · 0.7 mi
M
Curtis Middle SchoolA+
Middle · Grades 7–8 · 1.5 mi

District: Allen Independent School District

Neighborhood · ZIP 75002These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.88,326
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,239 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,302
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,629
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.41 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

509 River Rock Way 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.

  • Bigger than 93% of homes in Fountain Park
  • Has a smaller lot than 98% of homes in Fountain Park
  • Among the newest homes in Fountain Park

How it measures up in Allen 75002

The dot is this home. The mark in the middle is the typical home in Allen 75002.

Living area2,995 ft²
SmallerTypical 2,361 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.11 ac
SmallerTypical 0.25 acBigger

Bigger than 4% of homes nearby

Year built2020
OlderTypical 1999Newer

Newer than 97% of homes nearby

How 509 River Rock Way ranks against every home in each area.
MeasureThis homeFountain ParkAllen 75002Collin County
Living areabigger than2,995 ft²93% of homes70% of homes67% of homes
Lot sizebigger than0.11 ac2% of homes4% of homes10% of homes
Year builtnewer than2020almost all homes97% of homes84% of homes

About 509 River Rock Way

When did 509 River Rock Way, Allen, TX last sell?

509 River Rock Way, Allen, TX last sold on Jan 28, 2021 for $520,000, according to the county's recorded deed.

How big is 509 River Rock Way, Allen, TX?

509 River Rock Way, Allen, TX has 4 bedrooms, 3 bathrooms, 2,995 square feet of living space and a 0.11-acre lot.

When was 509 River Rock Way, Allen, TX built?

509 River Rock Way, Allen, TX was built in 2020, making it 6 years old. The building has 2 stories.

What schools serve 509 River Rock Way, Allen, TX?

509 River Rock Way, Allen, TX is assigned to Allen High School (high), rated A; Reed Elementary School (elementary), rated B-; Curtis Middle School (middle), rated A+. All sit in Allen Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 River Rock Way, Allen, TX compare to other homes in Allen 75002?

Among the 22,420 homes in Allen 75002, it is bigger than 70% of them (2,995 ft² against a typical 2,361 ft²), its lot is bigger than 4% of them (0.11 ac against a typical 0.25 ac) and it is newer than 97% of them (2020 against a typical 1999). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 509 River Rock Way, Allen, TX?

The 2025 property tax bill for 509 River Rock Way, Allen, TX was $9,880. The county assessed it at $557,657.

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Assigned schools

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