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Single Family ResidenceResidential
$702,053
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 74How 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

4237 STATE ROAD 21

OSHKOSH, WI 54904
0
Baths
2.29 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$702K
$520K low$885K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,213 (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.$706,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$68,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$638,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$534,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$705,147

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWINNEBAGO
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
Oakwood Elementary SchoolA-
Elementary · Grades KG–5 · 1.7 mi
M
Carl Traeger Middle SchoolA+
Middle · Grades 6–8 · 2.8 mi
H
Oshkosh West High SchoolB
High · Grades 9–12 · 3.3 mi

District: Oshkosh Area School District

Neighborhood · ZIP 54904These 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.63
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.71
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.22,158
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.271 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,356
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,618
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

4237 State Road 21 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 96% of homes in Oshkosh 54904
  • Has a bigger lot than 93% of homes in Winnebago County

What homes are worth in Oshkosh 54904

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

This home
$163K$836K

This home is worth more than 96% of homes in Oshkosh 54904.

How it measures up in Oshkosh 54904

The dot is this home. The mark in the middle is the typical home in Oshkosh 54904.

Estimated value$702,053
CheaperTypical $382,081Pricier

Pricier than 96% of homes nearby

Lot size2.29 ac
SmallerTypical 0.38 acBigger

Bigger than 91% of homes nearby

How 4237 State Road 21 ranks against every home in each area.
MeasureThis homeOshkosh 54904Winnebago County
Estimated valuepricier than$702,05396% of homes96% of homes
Lot sizebigger than2.29 ac91% of homes93% of homes

About 4237 State Road 21

How much is 4237 State Road 21, Oshkosh, WI worth?

The TopHap Estimate for 4237 State Road 21, Oshkosh, WI is $702,053 as of Sep 24, 2026. The likely range is $519,581 to $884,525. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4237 State Road 21, Oshkosh, WI last sell?

4237 State Road 21, Oshkosh, WI last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 4237 State Road 21, Oshkosh, WI?

4237 State Road 21, Oshkosh, WI is assigned to Oakwood Elementary School (elementary), rated A-; Carl Traeger Middle School (middle), rated A+; Oshkosh West High School (high), rated B. All sit in Oshkosh Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4237 State Road 21, Oshkosh, WI compare to other homes in Oshkosh 54904?

Among the 8,088 homes in Oshkosh 54904, it is worth more than 96% of them ($702,053 against a typical $382,081) and its lot is bigger than 91% of them (2.29 ac against a typical 0.38 ac). Measured against all of Winnebago County, it is worth more than 96% 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 4237 State Road 21, Oshkosh, WI?

The 2024 property tax bill for 4237 State Road 21, Oshkosh, WI was $8,213. The county assessed it at $706,600.

More homes on State Road 21

Closest homes

More homes in Oshkosh 54904

Assigned schools

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