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Single Family ResidenceResidential
$192,267$143 / 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 91How 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
Last sold for $185,000 on Mar 2, 2026

620 PROSPECT AVE

OSHKOSH, WI 54901
4
Beds
1
Baths
1,340 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.
2,700 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
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

$192K
$174K low$210K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$185,000 · Mar 2, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,929 (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.$156,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$142,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$116,613

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.06
HeatingThe type of heating system in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

M
Merrill Middle SchoolC-
Middle · Grades 6–8 · 0.4 mi
E
Read Elementary SchoolD
Elementary · Grades KG–5 · 0.4 mi
H
Oshkosh North High SchoolB-
High · Grades 9–12 · 1.1 mi

District: Oshkosh Area School District

Neighborhood · ZIP 54901These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
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.38,222
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.592 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,941
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,529
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

620 Prospect Ave 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 less than 86% of homes in Winnebago County
  • Costs less per square foot than 82% of homes in Winnebago County
  • Among the smallest lots in Winnebago County
  • Older than 73% of homes in Winnebago County

What homes are worth in Oshkosh 54901

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

This home
$119K$740K

This home is worth more than 27% of homes in Oshkosh 54901.

How it measures up in Oshkosh 54901

The dot is this home. The mark in the middle is the typical home in Oshkosh 54901.

Estimated value$192,267
CheaperTypical $231,363Pricier

Pricier than 27% of homes nearby

Price per ft²$143
CheaperTypical $172Pricier

Pricier than 29% of homes nearby

Living area1,340 ft²
SmallerTypical 1,484 ft²Bigger

Bigger than 38% of homes nearby

Lot size2,700 ft²
SmallerTypical 0.17 acBigger

Bigger than 2% of homes nearby

Year built1920
OlderTypical 1925Newer

Newer than 47% of homes nearby

How 620 Prospect Ave ranks against every home in each area.
MeasureThis homeOshkosh 54901Winnebago County
Estimated valuepricier than$192,26727% of homes14% of homes
Price per ft²pricier than$14329% of homes18% of homes
Living areabigger than1,340 ft²38% of homes42% of homes
Lot sizebigger than2,700 ft²2% of homesalmost no homes
Year builtnewer than192047% of homes27% of homes

About 620 Prospect Ave

How much is 620 Prospect Ave, Oshkosh, WI worth?

The TopHap Estimate for 620 Prospect Ave, Oshkosh, WI is $192,267 as of Sep 24, 2026. The likely range is $174,185 to $210,349. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 620 Prospect Ave, Oshkosh, WI last sell?

620 Prospect Ave, Oshkosh, WI last sold on Mar 2, 2026 for $185,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 620 Prospect Ave, Oshkosh, WI?

620 Prospect Ave, Oshkosh, WI has 4 bedrooms, 1 bathrooms, 1,340 square feet of living space and a 0.06-acre lot.

When was 620 Prospect Ave, Oshkosh, WI built?

620 Prospect Ave, Oshkosh, WI was built in 1920, making it 106 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 620 Prospect Ave, Oshkosh, WI?

620 Prospect Ave, Oshkosh, WI is assigned to Merrill Middle School (middle), rated C-; Read Elementary School (elementary), rated D; Oshkosh North 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 620 Prospect Ave, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,738 homes in Oshkosh 54901, it is worth more than 27% of them ($192,267 against a typical $231,363), its price per square foot is higher than 29% of them ($143 against a typical $172), it is bigger than 38% of them (1,340 ft² against a typical 1,484 ft²), its lot is bigger than 2% of them (2,700 ft² against a typical 0.17 ac) and it is newer than 47% of them (1920 against a typical 1925). Measured against all of Winnebago County, it is worth more than 14% 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 620 Prospect Ave, Oshkosh, WI?

The 2024 property tax bill for 620 Prospect Ave, Oshkosh, WI was $2,929. The county assessed it at $156,800.

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