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Duplex (2 Units, Any Combination)Residential
Last sold for $88,400 on Apr 15, 2005

603 OTTER AVE

OSHKOSH, WI 54901
3
Beds
2
Baths
1,754 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.
0.1 ac
Lot SizeThe size of the land the home sits on, from county records.
1875
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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.$88,400 · Apr 15, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,294 (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.$163,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$163,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$167,705

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
CountyWinnebago
Lot (acres)The size of the land the home sits on, from county records.0.10
HeatingThe type of heating system in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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

E
Washington Elementary SchoolC-
Elementary · Grades KG–5 · 0.3 mi
M
Webster Stanley Middle SchoolD-
Middle · Grades 6–8 · 1.0 mi
H
Oshkosh North High SchoolB-
High · Grades 9–12 · 2.4 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

603 Otter 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.

  • Bigger than 71% of homes in Winnebago County
  • Has a smaller lot than 96% of homes in Winnebago County
  • Older than 98% 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.

Living area1,754 ft²
SmallerTypical 1,477 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.1 ac
SmallerTypical 0.17 acBigger

Bigger than 8% of homes nearby

Year built1875
OlderTypical 1926Newer

Newer than 2% of homes nearby

How 603 Otter Ave ranks against every home in each area.
MeasureThis homeRiver EastOshkosh 54901Winnebago County
Living areabigger than1,754 ft²65% of homes67% of homes71% of homes
Lot sizebigger than0.1 ac27% of homes8% of homes4% of homes
Year builtnewer than18756% of homes2% of homes2% of homes

About 603 Otter Ave

When did 603 Otter Ave, Oshkosh, WI last sell?

603 Otter Ave, Oshkosh, WI last sold on Apr 15, 2005 for $88,400, according to the county's recorded deed.

How big is 603 Otter Ave, Oshkosh, WI?

603 Otter Ave, Oshkosh, WI has 3 bedrooms, 2 bathrooms, 1,754 square feet of living space and a 0.10-acre lot.

When was 603 Otter Ave, Oshkosh, WI built?

603 Otter Ave, Oshkosh, WI was built in 1875, making it 151 years old. It is a duplex single home. The building has 2 stories.

What schools serve 603 Otter Ave, Oshkosh, WI?

603 Otter Ave, Oshkosh, WI is assigned to Washington Elementary School (elementary), rated C-; Webster Stanley Middle School (middle), 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 603 Otter Ave, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,573 homes in Oshkosh 54901, it is bigger than 67% of them (1,754 ft² against a typical 1,477 ft²), its lot is bigger than 8% of them (0.1 ac against a typical 0.17 ac) and it is newer than 2% of them (1875 against a typical 1926). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 603 Otter Ave, Oshkosh, WI?

The 2025 property tax bill for 603 Otter Ave, Oshkosh, WI was $4,294. The county assessed it at $163,800.

More homes on Otter Ave

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Assigned schools

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