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Single Family ResidenceResidential
$593,985$192 / 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 Jul 14, 2026
Last sold for $694,260 on Jul 29, 2025

506 RIVER ROCK WAY

ALLEN, TX 75002
4
Beds
3.5
Baths
3,098 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.
2019
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

$594K
$551K low$637K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$694,260 · Jul 29, 2025

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$561,832 (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.$408,832
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$552,334
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$561,832

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.57
18
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
35
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
93
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
55
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
88
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.3 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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(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.

H
Allen High SchoolA
High · Grades 9–12 · 0.4 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

506 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.

  • Among the most valuable homes in Fountain Park
  • Costs less per square foot than 77% of homes in Allen 75002
  • Bigger than 93% of homes in Fountain Park
  • Among the smallest lots in Fountain Park
  • Newer than 98% of homes in Fountain Park

What homes are worth in Allen 75002

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

This home
$267K$1.9M

This home is worth more than 66% of homes in Allen 75002.

How it measures up in Allen 75002

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

Estimated value$593,985
CheaperTypical $490,000Pricier

Pricier than 66% of homes nearby

Price per ft²$192
CheaperTypical $213Pricier

Pricier than 23% of homes nearby

Living area3,098 ft²
SmallerTypical 2,361 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.11 ac
SmallerTypical 0.25 acBigger

Bigger than 4% of homes nearby

Year built2019
OlderTypical 1999Newer

Newer than 96% of homes nearby

How 506 River Rock Way ranks against every home in each area.
MeasureThis homeFountain ParkAllen 75002Collin County
Estimated valuepricier than$593,985almost all homes66% of homes61% of homes
Price per ft²pricier than$19247% of homes23% of homes29% of homes
Living areabigger than3,098 ft²93% of homes73% of homes71% of homes
Lot sizebigger than0.11 acalmost no homes4% of homes9% of homes
Year builtnewer than201998% of homes96% of homes80% of homes

About 506 River Rock Way

How much is 506 River Rock Way, Allen, TX worth?

The TopHap Estimate for 506 River Rock Way, Allen, TX is $593,985 as of Jul 14, 2026. The likely range is $551,151 to $636,819. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 506 River Rock Way, Allen, TX last sell?

506 River Rock Way, Allen, TX last sold on Jul 29, 2025 for $694,260, according to the county's recorded deed.

How big is 506 River Rock Way, Allen, TX?

506 River Rock Way, Allen, TX has 4 bedrooms, 3.5 bathrooms, 3,098 square feet of living space and a 0.11-acre lot.

When was 506 River Rock Way, Allen, TX built?

506 River Rock Way, Allen, TX was built in 2019, making it 7 years old. The building has 2 stories.

What schools serve 506 River Rock Way, Allen, TX?

506 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 506 River Rock Way, Allen, TX compare to other homes in Allen 75002?

Among the 22,420 homes in Allen 75002, it is worth more than 66% of them ($593,985 against a typical $490,000), its price per square foot is higher than 23% of them ($192 against a typical $213), it is bigger than 73% of them (3,098 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 96% of them (2019 against a typical 1999). Measured against all of Collin County, it is worth more than 61% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on River Rock Way

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