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Duplex (2 Units, Any Combination)Residential
Last sold for $240,000 on Feb 4, 2022

4357 S 20TH ST

MILWAUKEE, WI 53221
4
Beds
2
Baths
1,890 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · Feb 4, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,932 (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.$349,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$53,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$296,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$301,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$292,600

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.
0
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
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.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyMILWAUKEE
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
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
Lowell International Elementary SchoolC-
Elementary · Grades PK–5 · 0.1 mi
H
Reagan College Preparatory High SchoolA
High · Grades 9–12 · 0.8 mi
M
Audubon Technology and Communication Middle SchoolF
Middle · Grades 6–8 · 1.8 mi

District: Milwaukee School District

Neighborhood · ZIP 53221These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.38,385
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,189 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,963
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,959
Average tempThe average temperature here across a full year.47°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

4357 S 20th 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.

  • Bigger than 85% of homes in Milwaukee 53221
  • Has a smaller lot than 90% of homes in Wilson Park
  • Newer than 69% of homes in Milwaukee County

How it measures up in Milwaukee 53221

The dot is this home. The mark in the middle is the typical home in Milwaukee 53221.

Living area1,890 ft²
SmallerTypical 1,274 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.13 ac
SmallerTypical 0.17 acBigger

Bigger than 25% of homes nearby

Year built1957
OlderTypical 1961Newer

Newer than 33% of homes nearby

How 4357 S 20th St ranks against every home in each area.
MeasureThis homeWilson ParkMilwaukee 53221Milwaukee County
Living areabigger than1,890 ft²79% of homes85% of homes71% of homes
Lot sizebigger than0.13 ac10% of homes25% of homes44% of homes
Year builtnewer than195744% of homes33% of homes69% of homes

About 4357 S 20th St

When did 4357 S 20th St, Milwaukee, WI last sell?

4357 S 20th St, Milwaukee, WI last sold on Feb 4, 2022 for $240,000, according to the county's recorded deed.

How big is 4357 S 20th St, Milwaukee, WI?

4357 S 20th St, Milwaukee, WI has 4 bedrooms, 2 bathrooms, 1,890 square feet of living space and a 0.13-acre lot.

When was 4357 S 20th St, Milwaukee, WI built?

4357 S 20th St, Milwaukee, WI was built in 1957, making it 69 years old. It is a duplex single home. The building has 2 stories.

What schools serve 4357 S 20th St, Milwaukee, WI?

4357 S 20th St, Milwaukee, WI is assigned to Lowell International Elementary School (elementary), rated C-; Reagan College Preparatory High School (high), rated A; Audubon Technology and Communication Middle School (middle), rated F. All sit in Milwaukee School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4357 S 20th St, Milwaukee, WI compare to other homes in Milwaukee 53221?

Among the 10,515 homes in Milwaukee 53221, it is bigger than 85% of them (1,890 ft² against a typical 1,274 ft²), its lot is bigger than 25% of them (0.13 ac against a typical 0.17 ac) and it is newer than 33% of them (1957 against a typical 1961). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4357 S 20th St, Milwaukee, WI?

The 2025 property tax bill for 4357 S 20th St, Milwaukee, WI was $6,932. The county assessed it at $349,900.

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