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Duplex (2 Units, Any Combination)Residential
Last sold for $214,900 on Aug 4, 2026

308 PROSPECT AVE

OSHKOSH, WI 54901
6
Beds
2
Baths
2,180 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.
0.25 ac
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.
10
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.$214,900 · Aug 4, 2026
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$211,007
E · 6.47% · recorded Aug 4, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,259 (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.$172,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$145,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$88,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$127,451

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.0.24
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(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.

M
Merrill Middle SchoolC-
Middle · Grades 6–8 · 0.2 mi
E
Merrill Elementary SchoolD-
Elementary · Grades KG–5 · 0.2 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

308 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.

  • Bigger than 87% of homes in Winnebago County
  • Has a bigger lot than 74% of homes in Oshkosh 54901
  • Older than 74% of homes in Winnebago County

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 area2,180 ft²
SmallerTypical 1,476 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.25 ac
SmallerTypical 0.17 acBigger

Bigger than 74% of homes nearby

Year built1920
OlderTypical 1926Newer

Newer than 46% of homes nearby

How 308 Prospect Ave ranks against every home in each area.
MeasureThis homeOshkosh 54901Winnebago County
Living areabigger than2,180 ft²84% of homes87% of homes
Lot sizebigger than0.25 ac74% of homes48% of homes
Year builtnewer than192046% of homes26% of homes

About 308 Prospect Ave

When did 308 Prospect Ave, Oshkosh, WI last sell?

308 Prospect Ave, Oshkosh, WI last sold on Aug 4, 2026 for $214,900, according to the county's recorded deed.

How big is 308 Prospect Ave, Oshkosh, WI?

308 Prospect Ave, Oshkosh, WI has 6 bedrooms, 2 bathrooms, 2,180 square feet of living space and a 0.24-acre lot.

When was 308 Prospect Ave, Oshkosh, WI built?

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

What schools serve 308 Prospect Ave, Oshkosh, WI?

308 Prospect Ave, Oshkosh, WI is assigned to Merrill Middle School (middle), rated C-; Merrill 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 308 Prospect Ave, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,571 homes in Oshkosh 54901, it is bigger than 84% of them (2,180 ft² against a typical 1,476 ft²), its lot is bigger than 74% of them (0.25 ac against a typical 0.17 ac) and it is newer than 46% of them (1920 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 308 Prospect Ave, Oshkosh, WI?

The 2024 property tax bill for 308 Prospect Ave, Oshkosh, WI was $3,259. The county assessed it at $172,400.

Closest homes

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Assigned schools

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