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Residential (General/Single)Residential
$300,240$225 / 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 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
Last sold for $235,000 on Apr 4, 2022

121 BAY ST

OSHKOSH, WI 54901
3
Beds
1
Baths
1,336 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.
3,850 ft²
Lot SizeThe size of the land the home sits on, from county records.
1926
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

$300K
$280K low$320K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$235,000 · Apr 4, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,843 (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.$164,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$150,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$81,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$221,248

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyWINNEBAGO
Lot (acres)The size of the land the home sits on, from county records.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 384 ft²

Transaction History(7)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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 · 0.8 mi
M
Neenah Middle SchoolB
Middle · Grades 5–8 · 2.2 mi
H
Neenah High SchoolB-
High · Grades 9–12 · 3.1 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

121 Bay 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 72% of homes in Oshkosh 54901
  • Costs more per square foot than 80% of homes in Oshkosh 54901
  • Has a smaller lot than 97% of homes in Winnebago County
  • Older than 69% 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
$122K$770K

This home is worth more than 72% 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$300,240
CheaperTypical $231,699Pricier

Pricier than 72% of homes nearby

Price per ft²$225
CheaperTypical $172Pricier

Pricier than 80% of homes nearby

Living area1,336 ft²
SmallerTypical 1,489 ft²Bigger

Bigger than 38% of homes nearby

Lot size3,850 ft²
SmallerTypical 0.17 acBigger

Bigger than 5% of homes nearby

Year built1926
OlderTypical 1925Newer

Newer than 51% of homes nearby

How 121 Bay St ranks against every home in each area.
MeasureThis homeOshkosh 54901Winnebago County
Estimated valuepricier than$300,24072% of homes52% of homes
Price per ft²pricier than$22580% of homes73% of homes
Living areabigger than1,336 ft²38% of homes41% of homes
Lot sizebigger than3,850 ft²5% of homes3% of homes
Year builtnewer than192651% of homes31% of homes

About 121 Bay St

How much is 121 Bay St, Oshkosh, WI worth?

The TopHap Estimate for 121 Bay St, Oshkosh, WI is $300,240 as of Sep 24, 2026. The likely range is $280,317 to $320,163. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Bay St, Oshkosh, WI last sell?

121 Bay St, Oshkosh, WI last sold on Apr 4, 2022 for $235,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 121 Bay St, Oshkosh, WI?

121 Bay St, Oshkosh, WI has 3 bedrooms, 1 bathrooms, 1,336 square feet of living space and a 0.09-acre lot.

When was 121 Bay St, Oshkosh, WI built?

121 Bay St, Oshkosh, WI was built in 1926, making it 100 years old. The building has 2 stories.

What schools serve 121 Bay St, Oshkosh, WI?

121 Bay St, 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 121 Bay St, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,856 homes in Oshkosh 54901, it is worth more than 72% of them ($300,240 against a typical $231,699), its price per square foot is higher than 80% of them ($225 against a typical $172), it is bigger than 38% of them (1,336 ft² against a typical 1,489 ft²), its lot is bigger than 5% of them (3,850 ft² against a typical 0.17 ac) and it is newer than 51% of them (1926 against a typical 1925). Measured against all of Winnebago County, it is worth more than 52% 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 121 Bay St, Oshkosh, WI?

The 2024 property tax bill for 121 Bay St, Oshkosh, WI was $2,843. The county assessed it at $164,500.

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