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Single Family ResidenceResidential
$480,103$224 / 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 87How 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 $598,380 on Jul 29, 2024

821 MARATHON CT

ROCKWALL, TX 75087
0
Baths
2,145 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1
StoriesHow many floors the home has above ground.

Valuation

$480K
$419K low$542K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$598,380 · Jul 29, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,795 (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.$530,158 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$120,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$410,158
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$526,139
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$530,158

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.53 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
CountyROCKWALL
Lot (acres)The size of the land the home sits on, from county records.0.21
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 99 ft²

Transaction History(1)

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
Howard Dobbs Elementary SchoolA-
Elementary · Grades PK–6 · 0.5 mi
M
Herman E. Utley Middle SchoolA-
Middle · Grades 7–8 · 1.4 mi
H
Rockwall High SchoolA
High · Grades 10–12 · 2.3 mi

District: Rockwall Independent School District

Neighborhood · ZIP 75087These 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.99
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.6%
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.54,035
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,581 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$119,886
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,394
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

821 Marathon 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 74% of homes in Caruth Lakes
  • Costs more per square foot than 90% of homes in Caruth Lakes
  • Smaller than 68% of homes in Rockwall 75087
  • Has a bigger lot than 69% of homes in Caruth Lakes

What homes are worth in Rockwall 75087

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

This home
$239K$934K

This home is worth more than 54% of homes in Rockwall 75087.

How it measures up in Rockwall 75087

The dot is this home. The mark in the middle is the typical home in Rockwall 75087.

Estimated value$480,103
CheaperTypical $466,051Pricier

Pricier than 54% of homes nearby

Price per ft²$224
CheaperTypical $184Pricier

Pricier than 88% of homes nearby

Living area2,145 ft²
SmallerTypical 2,549 ft²Bigger

Bigger than 32% of homes nearby

Lot size0.21 ac
SmallerTypical 0.2 acBigger

Bigger than 53% of homes nearby

How 821 Marathon Ct ranks against every home in each area.
MeasureThis homeCaruth LakesRockwall 75087Rockwall County
Estimated valuepricier than$480,10374% of homes54% of homes59% of homes
Price per ft²pricier than$22490% of homes88% of homes82% of homes
Living areabigger than2,145 ft²38% of homes32% of homes41% of homes
Lot sizebigger than0.21 ac69% of homes53% of homes53% of homes

About 821 Marathon Ct

How much is 821 Marathon Ct, Rockwall, TX worth?

The TopHap Estimate for 821 Marathon Ct, Rockwall, TX is $480,103 as of Jul 14, 2026. The likely range is $418,518 to $541,688. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Marathon Ct, Rockwall, TX last sell?

821 Marathon Ct, Rockwall, TX last sold on Jul 29, 2024 for $598,380, according to the county's recorded deed.

How big is 821 Marathon Ct, Rockwall, TX?

821 Marathon Ct, Rockwall, TX has 2,145 square feet of living space and a 0.21-acre lot.

What schools serve 821 Marathon Ct, Rockwall, TX?

821 Marathon Ct, Rockwall, TX is assigned to Howard Dobbs Elementary School (elementary), rated A-; Herman E. Utley Middle School (middle), rated A-; Rockwall High School (high), rated A. All sit in Rockwall Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Marathon Ct, Rockwall, TX compare to other homes in Rockwall 75087?

Among the 16,666 homes in Rockwall 75087, it is worth more than 54% of them ($480,103 against a typical $466,051), its price per square foot is higher than 88% of them ($224 against a typical $184), it is bigger than 32% of them (2,145 ft² against a typical 2,549 ft²) and its lot is bigger than 53% of them (0.21 ac against a typical 0.2 ac). Measured against all of Rockwall County, it is worth more than 59% 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 821 Marathon Ct, Rockwall, TX?

The 2025 property tax bill for 821 Marathon Ct, Rockwall, TX was $6,795. The county assessed it at $530,158.

More homes on Marathon Ct

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