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CondominiumResidential
$42,893
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 73How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

808 WILLIAMSON ST # S151

MADISON, WI 53703
Building report
0
Baths

Valuation

$43K
$31K low$54K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20 (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.$2,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,300

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
HeatingThe type of heating system in the home.None
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 SchoolA
Middle · Grades 6–8 · 0.9 mi
H
East High SchoolA-
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

808 Williamson St # S151 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.

  • Among the least valuable homes in Dane County

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
$26K$1.1M

This home is worth more than 30% 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$42,893
CheaperTypical $228,751Pricier

Pricier than 30% of homes nearby

How 808 Williamson St # S151 ranks against every home in each area.
MeasureThis homeMarquetteMadison 53703Dane County
Estimated valuepricier than$42,8937% of homes30% of homesalmost no homes

About 808 Williamson St # S151

How much is 808 Williamson St # S151, Madison, WI worth?

The TopHap Estimate for 808 Williamson St # S151, Madison, WI is $42,893 as of Aug 30, 2026. The likely range is $31,325 to $54,461. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 808 Williamson St # S151, Madison, WI last sell?

808 Williamson St # S151, Madison, WI last sold on May 4, 2017, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 808 Williamson St # S151, Madison, WI?

808 Williamson St # S151, Madison, WI is assigned to Lapham Elementary School (elementary); O'Keeffe Middle School (middle), rated A; East High School (high), rated A-. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 808 Williamson St # S151, Madison, WI?

The 2024 property tax bill for 808 Williamson St # S151, Madison, WI was $20. The county assessed it at $2,300.

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Assigned schools

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