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TownhouseResidential
$358,340$191 / 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 Jun 23, 2026
Last sold for $271,900 on Apr 9, 2021

503 MARINER DR

ROCKWALL, TX 75032
0
Baths
1,875 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.
3,877 ft²
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$358K
$340K low$376K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$271,900 · Apr 9, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$140,840
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$112,672
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.61%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$217,500
GUARANTEED RATE INC · recorded Apr 9, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,274 (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.$347,227 (2026)
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.$187,227
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$334,740
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$347,227

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.8 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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyROCKWALL
Lot (acres)The size of the land the home sits on, from county records.0.09
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.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 64 ft²Porch · 183 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
Dorothy Smith Pullen Elementary SchoolA
Elementary · Grades PK–6 · 2.5 mi
H
Rockwall-Heath High SchoolB+
High · Grades 10–12 · 2.6 mi
M
Maurine Cain Middle SchoolA-
Middle · Grades 7–8 · 2.6 mi

District: Rockwall Independent School District

Neighborhood · ZIP 75032These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
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.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.44,737
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.776 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$142,395
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,483
Average tempThe average temperature here across a full year.65°F
Annual precipHow much rain and melted snow falls here in a typical year.42 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

503 Mariner Dr 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 less than 78% of homes in Chandlers Landing
  • Costs less per square foot than 73% of homes in Chandlers Landing
  • Smaller than 76% of homes in Rockwall 75032
  • Has a smaller lot than 97% of homes in Rockwall County
  • Newer than 90% of homes in Chandlers Landing

What homes are worth in Rockwall 75032

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

This home
$197K$2M

This home is worth more than 25% of homes in Rockwall 75032.

How it measures up in Rockwall 75032

The dot is this home. The mark in the middle is the typical home in Rockwall 75032.

Estimated value$358,340
CheaperTypical $541,699Pricier

Pricier than 25% of homes nearby

Price per ft²$191
CheaperTypical $209Pricier

Pricier than 34% of homes nearby

Living area1,875 ft²
SmallerTypical 2,772 ft²Bigger

Bigger than 24% of homes nearby

Lot size3,877 ft²
SmallerTypical 0.27 acBigger

Bigger than 5% of homes nearby

Year built2003
OlderTypical 2002Newer

Newer than 57% of homes nearby

How 503 Mariner Dr ranks against every home in each area.
MeasureThis homeChandlers LandingRockwall 75032Rockwall County
Estimated valuepricier than$358,34022% of homes25% of homes34% of homes
Price per ft²pricier than$19127% of homes34% of homes59% of homes
Living areabigger than1,875 ft²27% of homes24% of homes26% of homes
Lot sizebigger than3,877 ft²25% of homes5% of homes3% of homes
Year builtnewer than200390% of homes57% of homes45% of homes

About 503 Mariner Dr

How much is 503 Mariner Dr, Rockwall, TX worth?

The TopHap Estimate for 503 Mariner Dr, Rockwall, TX is $358,340 as of Jun 23, 2026. The likely range is $340,423 to $376,257. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 503 Mariner Dr, Rockwall, TX last sell?

503 Mariner Dr, Rockwall, TX last sold on Apr 9, 2021 for $271,900, according to the county's recorded deed.

How big is 503 Mariner Dr, Rockwall, TX?

503 Mariner Dr, Rockwall, TX has 1,875 square feet of living space and a 0.09-acre lot.

When was 503 Mariner Dr, Rockwall, TX built?

503 Mariner Dr, Rockwall, TX was built in 2003, making it 23 years old. It is a townhouse home. The building has 1 story.

What schools serve 503 Mariner Dr, Rockwall, TX?

503 Mariner Dr, Rockwall, TX is assigned to Dorothy Smith Pullen Elementary School (elementary), rated A; Rockwall-Heath High School (high), rated B+; Maurine Cain Middle School (middle), rated A-. All sit in Rockwall Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 503 Mariner Dr, Rockwall, TX compare to other homes in Rockwall 75032?

Among the 13,644 homes in Rockwall 75032, it is worth more than 25% of them ($358,340 against a typical $541,699), its price per square foot is higher than 34% of them ($191 against a typical $209), it is bigger than 24% of them (1,875 ft² against a typical 2,772 ft²), its lot is bigger than 5% of them (3,877 ft² against a typical 0.27 ac) and it is newer than 57% of them (2003 against a typical 2002). Measured against all of Rockwall County, it is worth more than 34% 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 503 Mariner Dr, Rockwall, TX?

The 2025 property tax bill for 503 Mariner Dr, Rockwall, TX was $5,274. The county assessed it at $347,227.

Closest homes

More homes in Rockwall 75032

Assigned schools

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