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Single Family ResidenceResidential
$837,820$215 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

509 RIVERSIDE CT

ALLEN, TX 75013
5
Beds
4
Baths
3,891 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.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
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

$838K
$798K low$878K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,985 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$771,523 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$176,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$595,523
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$710,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$771,523

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCollin
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2010
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Mat/Raft Foundation (Slab)
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 · 38 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.

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

E
Norton Elementary SchoolA+
Elementary · Grades KG–6 · 0.1 mi
M
Ereckson Middle SchoolA+
Middle · Grades 7–8 · 0.8 mi
H
Allen High SchoolA
High · Grades 9–12 · 2.2 mi

District: Allen Independent School District

Neighborhood · ZIP 75013These 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.34
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.56,610
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,879 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$143,397
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$164,284
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

509 Riverside Ct 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 90% of homes in Watters Crossing
  • Costs less per square foot than 84% of homes in Watters Crossing
  • Bigger than 92% of homes in Watters Crossing
  • Older than 91% of homes in Allen 75013

What homes are worth in Allen 75013

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

This home
$333K$1.4M

This home is worth more than 73% of homes in Allen 75013.

How it measures up in Allen 75013

The dot is this home. The mark in the middle is the typical home in Allen 75013.

Estimated value$837,820
CheaperTypical $695,658Pricier

Pricier than 73% of homes nearby

Price per ft²$215
CheaperTypical $224Pricier

Pricier than 36% of homes nearby

Living area3,891 ft²
SmallerTypical 3,173 ft²Bigger

Bigger than 76% of homes nearby

Year built1995
OlderTypical 2007Newer

Newer than 9% of homes nearby

How 509 Riverside Ct ranks against every home in each area.
MeasureThis homeWatters CrossingAllen 75013Collin County
Estimated valuepricier than$837,82090% of homes73% of homes88% of homes
Price per ft²pricier than$21516% of homes36% of homes58% of homes
Living areabigger than3,891 ft²92% of homes76% of homes89% of homes
Year builtnewer than199564% of homes9% of homes29% of homes

About 509 Riverside Ct

How much is 509 Riverside Ct, Allen, TX worth?

The TopHap Estimate for 509 Riverside Ct, Allen, TX is $837,820 as of Sep 24, 2026. The likely range is $797,510 to $878,130. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Riverside Ct, Allen, TX last sell?

509 Riverside Ct, Allen, TX last sold on Apr 30, 2014, according to the county's recorded deed.

How big is 509 Riverside Ct, Allen, TX?

509 Riverside Ct, Allen, TX has 5 bedrooms, 4 bathrooms and 3,891 square feet of living space.

When was 509 Riverside Ct, Allen, TX built?

509 Riverside Ct, Allen, TX was built in 1995, making it 31 years old. The building has 2 stories.

What schools serve 509 Riverside Ct, Allen, TX?

509 Riverside Ct, Allen, TX is assigned to Norton Elementary School (elementary), rated A+; Ereckson Middle School (middle), rated A+; Allen High School (high), rated A. All sit in Allen Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Riverside Ct, Allen, TX compare to other homes in Allen 75013?

Among the 14,801 homes in Allen 75013, it is worth more than 73% of them ($837,820 against a typical $695,658), its price per square foot is higher than 36% of them ($215 against a typical $224), it is bigger than 76% of them (3,891 ft² against a typical 3,173 ft²) and it is newer than 9% of them (1995 against a typical 2007). Measured against all of Collin County, it is worth more than 88% 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 509 Riverside Ct, Allen, TX?

The 2024 property tax bill for 509 Riverside Ct, Allen, TX was $9,985. The county assessed it at $771,523.

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