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CondominiumResidential
$522,507$418 / 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

802 WILLIAMSON ST APT 4

MADISON, WI 53703
Building report
2
Beds
2
Baths
1,250 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.
2006
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

$523K
$496K low$549K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,272 (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.$415,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$393,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$415,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$415,500

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.33
44
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.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyDane
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.2011
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Composition (rolled Mineral Roof)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Lapham Elementary School
Elementary · Grades PK–2 · 0.5 mi
M
O'Keeffe Middle SchoolB-
Middle · Grades 6–8 · 0.9 mi
H
East High SchoolD-
High · Grades 9–12 · 1.6 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53703These 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.167
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.35%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.40,725
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.21,930 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$49,802
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,168
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

802 Williamson St Apt 4 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 72% of homes in Madison 53703
  • Costs more per square foot than 93% of homes in Dane County
  • Smaller than 78% of homes in Dane County
  • Among the newest homes in Marquette

What homes are worth in Madison 53703

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

This home
$30K$1.5M

This home is worth more than 72% of homes in Madison 53703.

How it measures up in Madison 53703

The dot is this home. The mark in the middle is the typical home in Madison 53703.

Estimated value$522,507
CheaperTypical $316,401Pricier

Pricier than 72% of homes nearby

Price per ft²$418
CheaperTypical $399Pricier

Pricier than 59% of homes nearby

Living area1,250 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 31% of homes nearby

Year built2006
OlderTypical 1923Newer

Newer than 88% of homes nearby

How 802 Williamson St Apt 4 ranks against every home in each area.
MeasureThis homeMarquetteMadison 53703Dane County
Estimated valuepricier than$522,50744% of homes72% of homes67% of homes
Price per ft²pricier than$41864% of homes59% of homes93% of homes
Living areabigger than1,250 ft²26% of homes31% of homes22% of homes
Year builtnewer than2006almost all homes88% of homes92% of homes

About 802 Williamson St Apt 4

How much is 802 Williamson St Apt 4, Madison, WI worth?

The TopHap Estimate for 802 Williamson St Apt 4, Madison, WI is $522,507 as of Sep 24, 2026. The likely range is $496,013 to $549,001. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 802 Williamson St Apt 4, Madison, WI last sell?

802 Williamson St Apt 4, Madison, WI last sold on Feb 1, 2024, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 802 Williamson St Apt 4, Madison, WI?

802 Williamson St Apt 4, Madison, WI has 2 bedrooms, 2 bathrooms and 1,250 square feet of living space.

When was 802 Williamson St Apt 4, Madison, WI built?

802 Williamson St Apt 4, Madison, WI was built in 2006, making it 20 years old. The building has 1 story.

What schools serve 802 Williamson St Apt 4, Madison, WI?

802 Williamson St Apt 4, Madison, WI is assigned to Lapham Elementary School (elementary); O'Keeffe Middle School (middle), rated B-; East High School (high), rated D-. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 802 Williamson St Apt 4, Madison, WI compare to other homes in Madison 53703?

Among the 6,584 homes in Madison 53703, it is worth more than 72% of them ($522,507 against a typical $316,401), its price per square foot is higher than 59% of them ($418 against a typical $399), it is bigger than 31% of them (1,250 ft² against a typical 1,584 ft²) and it is newer than 88% of them (2006 against a typical 1923). Measured against all of Dane County, it is worth more than 67% 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 802 Williamson St Apt 4, Madison, WI?

The 2024 property tax bill for 802 Williamson St Apt 4, Madison, WI was $7,272. The county assessed it at $415,500.

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Assigned schools

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