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Single Family ResidenceResidential
$345,921$180 / 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 $140,000 on Jul 17, 2012

521 WILLIAM ST

RACINE, WI 53402
3
Beds
2
Baths
1,920 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1952
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$346K
$323K low$369K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$140,000 · Jul 17, 2012
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.$233,921
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$187,137
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.31%
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.$112,000
ASSURED MORTGAGE INC · recorded Jul 17, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,093 (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.$262,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$230,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$262,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$292,737

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.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyRacine
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Roosevelt Elementary SchoolD
Elementary · Grades KG–5 · 0.3 mi
M
Jerstad-Agerholm SchoolF
Middle · Grades KG–8 · 0.7 mi
H
Horlick High SchoolD+
High · Grades 9–12 · 1.2 mi

District: Racine School District

Neighborhood · ZIP 53402These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.33,994
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,341 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,123
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,486
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.35 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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

521 William 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 97% of homes in Wolff's Town
  • Costs less per square foot than 69% of homes in Racine 53402
  • Bigger than 92% of homes in Wolff's Town
  • Has a bigger lot than 96% of homes in Wolff's Town
  • Newer than 92% of homes in Wolff's Town

What homes are worth in Racine 53402

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

This home
$126K$764K

This home is worth more than 61% of homes in Racine 53402.

How it measures up in Racine 53402

The dot is this home. The mark in the middle is the typical home in Racine 53402.

Estimated value$345,921
CheaperTypical $300,857Pricier

Pricier than 61% of homes nearby

Price per ft²$180
CheaperTypical $215Pricier

Pricier than 31% of homes nearby

Living area1,920 ft²
SmallerTypical 1,439 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.23 ac
SmallerTypical 0.22 acBigger

Bigger than 52% of homes nearby

Year built1952
OlderTypical 1958Newer

Newer than 40% of homes nearby

How 521 William St ranks against every home in each area.
MeasureThis homeWolff's TownRacine 53402Racine County
Estimated valuepricier than$345,92197% of homes61% of homes58% of homes
Price per ft²pricier than$18047% of homes31% of homes38% of homes
Living areabigger than1,920 ft²92% of homes77% of homes76% of homes
Lot sizebigger than0.23 ac96% of homes52% of homes47% of homes
Year builtnewer than195292% of homes40% of homes40% of homes

About 521 William St

How much is 521 William St, Racine, WI worth?

The TopHap Estimate for 521 William St, Racine, WI is $345,921 as of Jul 14, 2026. The likely range is $322,633 to $369,209. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 William St, Racine, WI last sell?

521 William St, Racine, WI last sold on Jul 17, 2012 for $140,000, according to the county's recorded deed.

How big is 521 William St, Racine, WI?

521 William St, Racine, WI has 3 bedrooms, 2 bathrooms, 1,920 square feet of living space and a 0.23-acre lot.

When was 521 William St, Racine, WI built?

521 William St, Racine, WI was built in 1952, making it 74 years old. It is a ranch home. The building has 1 story.

What schools serve 521 William St, Racine, WI?

521 William St, Racine, WI is assigned to Roosevelt Elementary School (elementary), rated D; Jerstad-Agerholm School (middle), rated F; Horlick High School (high), rated D+. All sit in Racine School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 William St, Racine, WI compare to other homes in Racine 53402?

Among the 11,523 homes in Racine 53402, it is worth more than 61% of them ($345,921 against a typical $300,857), its price per square foot is higher than 31% of them ($180 against a typical $215), it is bigger than 77% of them (1,920 ft² against a typical 1,439 ft²), its lot is bigger than 52% of them (0.23 ac against a typical 0.22 ac) and it is newer than 40% of them (1952 against a typical 1958). Measured against all of Racine County, it is worth more than 58% 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 521 William St, Racine, WI?

The 2024 property tax bill for 521 William St, Racine, WI was $6,093. The county assessed it at $262,900.

More homes on William St

Closest homes

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Assigned schools

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