Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$346,427
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 Sep 24, 2026

3840 KNAPP ST

OSHKOSH, WI 54902
0
Baths
2.22 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$346K
$324K low$369K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,053 (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.$246,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$58,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$187,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$246,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$278,255

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyWinnebago
Lot (acres)The size of the land the home sits on, from county records.2.22
HeatingThe type of heating system in the home.Yes

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
South Park Middle SchoolC+
Middle · Grades 6–8 · 2.6 mi
E
Lakeside Elementary SchoolB
Elementary · Grades KG–5 · 3.1 mi
H
Oshkosh West High SchoolB
High · Grades 9–12 · 3.9 mi

District: Oshkosh Area School District

Neighborhood · ZIP 54902These 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.122
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 100.13

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.22,899
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.366 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,939
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,774
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%

Owner Tools

Do you own this home?
Claim this home

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

3840 Knapp 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 83% of homes in Oshkosh 54902
  • Has a bigger lot than 96% of homes in Oshkosh 54902

What homes are worth in Oshkosh 54902

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

This home
$135K$659K

This home is worth more than 83% of homes in Oshkosh 54902.

How it measures up in Oshkosh 54902

The dot is this home. The mark in the middle is the typical home in Oshkosh 54902.

Estimated value$346,427
CheaperTypical $246,919Pricier

Pricier than 83% of homes nearby

Lot size2.22 ac
SmallerTypical 0.19 acBigger

Bigger than 96% of homes nearby

How 3840 Knapp St ranks against every home in each area.
MeasureThis homeOshkosh 54902Winnebago County
Estimated valuepricier than$346,42783% of homes64% of homes
Lot sizebigger than2.22 ac96% of homes93% of homes

About 3840 Knapp St

How much is 3840 Knapp St, Oshkosh, WI worth?

The TopHap Estimate for 3840 Knapp St, Oshkosh, WI is $346,427 as of Sep 24, 2026. The likely range is $323,506 to $369,348. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 3840 Knapp St, Oshkosh, WI?

3840 Knapp St, Oshkosh, WI is assigned to South Park Middle School (middle), rated C+; Lakeside Elementary School (elementary), rated B; 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 3840 Knapp St, Oshkosh, WI compare to other homes in Oshkosh 54902?

Among the 8,489 homes in Oshkosh 54902, it is worth more than 83% of them ($346,427 against a typical $246,919) and its lot is bigger than 96% of them (2.22 ac against a typical 0.19 ac). Measured against all of Winnebago County, it is worth more than 64% 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 3840 Knapp St, Oshkosh, WI?

The 2025 property tax bill for 3840 Knapp St, Oshkosh, WI was $3,053. The county assessed it at $246,400.

More homes on Knapp St

Closest homes

More homes in Oshkosh 54902

Assigned schools

Explore the area

See this home in context

Open 3840 Knapp St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map