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Single Family ResidenceResidential
$400,351$201 / 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 Jul 14, 2026

502 WILLIAMS ST

ROCKWALL, TX 75087
0
Baths
1,994 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1896
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$400K
$380K low$421K high
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.$283,251
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$226,601
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.28%
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.$117,100
ABN AMRO MORTGAGE GROUP INC · recorded Jun 14, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,918 (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.$434,603 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$184,150
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$250,453
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$406,961
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$434,603

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyROCKWALL
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.1995
Lot (acres)The size of the land the home sits on, from county records.0.45
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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 · 318 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 · 0.2 mi
M
Herman E. Utley Middle SchoolA-
Middle · Grades 7–8 · 1.2 mi
H
Rockwall High SchoolA
High · Grades 10–12 · 1.9 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.54,034
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
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

502 Williams St 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 86% of homes in Renfro
  • Costs more per square foot than 73% of homes in Rockwall 75087
  • Bigger than 77% of homes in Renfro
  • Has a bigger lot than 90% of homes in Rockwall 75087
  • Among the oldest homes in Rockwall 75087

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
$246K$970K

This home is worth more than 33% 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$400,351
CheaperTypical $456,399Pricier

Pricier than 33% of homes nearby

Price per ft²$201
CheaperTypical $183Pricier

Pricier than 73% of homes nearby

Living area1,994 ft²
SmallerTypical 2,553 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.45 ac
SmallerTypical 0.2 acBigger

Bigger than 90% of homes nearby

Year built1896
OlderTypical 2005Newer

Older than almost all homes nearby

How 502 Williams St ranks against every home in each area.
MeasureThis homeRenfroRockwall 75087Rockwall County
Estimated valuepricier than$400,35186% of homes33% of homes46% of homes
Price per ft²pricier than$20139% of homes73% of homes67% of homes
Living areabigger than1,994 ft²77% of homes23% of homes31% of homes
Lot sizebigger than0.45 ac71% of homes90% of homes80% of homes
Year builtnewer than18962% of homesalmost no homesalmost no homes

About 502 Williams St

How much is 502 Williams St, Rockwall, TX worth?

The TopHap Estimate for 502 Williams St, Rockwall, TX is $400,351 as of Jul 14, 2026. The likely range is $379,631 to $421,071. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 Williams St, Rockwall, TX last sell?

502 Williams St, Rockwall, TX last sold on Oct 5, 2006, according to the county's recorded deed.

How big is 502 Williams St, Rockwall, TX?

502 Williams St, Rockwall, TX has 1,994 square feet of living space and a 0.45-acre lot.

When was 502 Williams St, Rockwall, TX built?

502 Williams St, Rockwall, TX was built in 1896, making it 130 years old. The building has 1 story.

What schools serve 502 Williams St, Rockwall, TX?

502 Williams St, 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 502 Williams St, Rockwall, TX compare to other homes in Rockwall 75087?

Among the 16,688 homes in Rockwall 75087, it is worth more than 33% of them ($400,351 against a typical $456,399), its price per square foot is higher than 73% of them ($201 against a typical $183), it is bigger than 23% of them (1,994 ft² against a typical 2,553 ft²), its lot is bigger than 90% of them (0.45 ac against a typical 0.2 ac) and it is newer than almost none of them (1896 against a typical 2005). Measured against all of Rockwall County, it is worth more than 46% 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 502 Williams St, Rockwall, TX?

The 2025 property tax bill for 502 Williams St, Rockwall, TX was $4,918. The county assessed it at $434,603.

Closest homes

More homes in Rockwall 75087

Assigned schools

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