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Single Family ResidenceResidential
$844,713$660 / 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 50How 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 $670,000 on Jun 7, 2006

803 PROSPECT AVE

OSHKOSH, WI 54901
4
Beds
1 / 2
Baths
1,280 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
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

$845K
$426K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$670,000 · Jun 7, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,410 (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.$178,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$151,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$122,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,050,302

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.Ranch
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.15
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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
Horace Mann Elementary SchoolC-
Elementary · Grades KG–4 · 1.8 mi
M
Neenah Middle SchoolB
Middle · Grades 5–8 · 3.3 mi
H
Neenah High SchoolB-
High · Grades 9–12 · 3.8 mi

District: Neenah 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

803 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.

  • Among the most valuable homes in Oshkosh 54901
  • Among the highest price per square foot in Oshkosh 54901
  • Smaller than 66% of homes in Oshkosh 54901
  • Has a smaller lot than 85% of homes in Winnebago County
  • Newer than 69% of homes in Oshkosh 54901

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
$121K$744K

This home is worth more than almost all 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$844,713
CheaperTypical $231,708Pricier

Pricier than almost all homes nearby

Price per ft²$660
CheaperTypical $172Pricier

Pricier than almost all homes nearby

Living area1,280 ft²
SmallerTypical 1,490 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 35% of homes nearby

Year built1955
OlderTypical 1926Newer

Newer than 69% of homes nearby

How 803 Prospect Ave ranks against every home in each area.
MeasureThis homeOshkosh 54901Winnebago County
Estimated valuepricier than$844,713almost all homes98% of homes
Price per ft²pricier than$660almost all homesalmost all homes
Living areabigger than1,280 ft²34% of homes36% of homes
Lot sizebigger than0.15 ac35% of homes15% of homes
Year builtnewer than195569% of homes51% of homes

About 803 Prospect Ave

How much is 803 Prospect Ave, Oshkosh, WI worth?

The TopHap Estimate for 803 Prospect Ave, Oshkosh, WI is $844,713 as of Sep 24, 2026. The likely range is $425,985 to $1,263,441. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 803 Prospect Ave, Oshkosh, WI last sell?

803 Prospect Ave, Oshkosh, WI last sold on Jun 7, 2006 for $670,000, according to the county's recorded deed.

How big is 803 Prospect Ave, Oshkosh, WI?

803 Prospect Ave, Oshkosh, WI has 4 bedrooms, 1 bathrooms, 1,280 square feet of living space and a 0.15-acre lot.

When was 803 Prospect Ave, Oshkosh, WI built?

803 Prospect Ave, Oshkosh, WI was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 803 Prospect Ave, Oshkosh, WI?

803 Prospect Ave, Oshkosh, WI is assigned to Horace Mann Elementary School (elementary), rated C-; Neenah Middle School (middle), rated B; Neenah High School (high), rated B-. All sit in Neenah School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 803 Prospect Ave, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,800 homes in Oshkosh 54901, it is worth more than almost all of them ($844,713 against a typical $231,708), its price per square foot is higher than almost all of them ($660 against a typical $172), it is bigger than 34% of them (1,280 ft² against a typical 1,490 ft²), its lot is bigger than 35% of them (0.15 ac against a typical 0.17 ac) and it is newer than 69% of them (1955 against a typical 1926). Measured against all of Winnebago County, it is worth more than 98% 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 803 Prospect Ave, Oshkosh, WI?

The 2024 property tax bill for 803 Prospect Ave, Oshkosh, WI was $3,410. The county assessed it at $178,700.

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