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Residential (General/Single)Residential
$174,491$114 / 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 84How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $940,000 on May 16, 2022

409 UNION AVE

OSHKOSH, WI 54901
3
Beds
1
Baths
1,530 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.
2,820 ft²
Lot SizeThe size of the land the home sits on, from county records.
1911
Year BuiltThe year the home was originally built, according to county records.
1
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

$174K
$147K low$202K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$940,000 · May 16, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,952 (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.$158,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$83,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$119,937

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.0.07
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
Vel Phillips Middle SchoolD-
Middle · Grades 6–8 · 0.8 mi
E
Menominee Elementary SchoolD+
Elementary · Grades KG–5 · 1.1 mi
H
Oshkosh North High SchoolD
High · Grades 9–12 · 1.6 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

409 Union 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 90% of homes in Winnebago County
  • Costs less per square foot than 94% of homes in Winnebago County
  • Has a smaller lot than 98% of homes in Oshkosh 54901
  • Older than 88% 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
$123K$750K

This home is worth more than 18% 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$174,491
CheaperTypical $227,596Pricier

Pricier than 18% of homes nearby

Price per ft²$114
CheaperTypical $167Pricier

Pricier than 10% of homes nearby

Living area1,530 ft²
SmallerTypical 1,492 ft²Bigger

Bigger than 52% of homes nearby

Lot size2,820 ft²
SmallerTypical 0.17 acBigger

Bigger than 2% of homes nearby

Year built1911
OlderTypical 1926Newer

Newer than 16% of homes nearby

How 409 Union Ave ranks against every home in each area.
MeasureThis homeOshkosh 54901Winnebago County
Estimated valuepricier than$174,49118% of homes10% of homes
Price per ft²pricier than$11410% of homes6% of homes
Living areabigger than1,530 ft²52% of homes56% of homes
Lot sizebigger than2,820 ft²2% of homes2% of homes
Year builtnewer than191116% of homes12% of homes

About 409 Union Ave

How much is 409 Union Ave, Oshkosh, WI worth?

The TopHap Estimate for 409 Union Ave, Oshkosh, WI is $174,491 as of Oct 21, 2026. The likely range is $146,575 to $202,407. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 409 Union Ave, Oshkosh, WI last sell?

409 Union Ave, Oshkosh, WI last sold on May 16, 2022 for $940,000, according to the county's recorded deed.

How big is 409 Union Ave, Oshkosh, WI?

409 Union Ave, Oshkosh, WI has 3 bedrooms, 1 bathrooms, 1,530 square feet of living space and a 0.07-acre lot.

When was 409 Union Ave, Oshkosh, WI built?

409 Union Ave, Oshkosh, WI was built in 1911, making it 115 years old. The building has 1 story.

What schools serve 409 Union Ave, Oshkosh, WI?

409 Union Ave, Oshkosh, WI is assigned to Vel Phillips Middle School (middle), rated D-; Menominee Elementary School (elementary), rated D+; Oshkosh North High School (high), rated D. All sit in Oshkosh Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 409 Union Ave, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,856 homes in Oshkosh 54901, it is worth more than 18% of them ($174,491 against a typical $227,596), its price per square foot is higher than 10% of them ($114 against a typical $167), it is bigger than 52% of them (1,530 ft² against a typical 1,492 ft²), its lot is bigger than 2% of them (2,820 ft² against a typical 0.17 ac) and it is newer than 16% of them (1911 against a typical 1926). Measured against all of Winnebago County, it is worth more than 10% 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 409 Union Ave, Oshkosh, WI?

The 2024 property tax bill for 409 Union Ave, Oshkosh, WI was $2,952. The county assessed it at $158,000.

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