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Single Family ResidenceResidential
$391,006$170 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

870 PORTSIDE CT

OSHKOSH, WI 54901
4
Beds
3 / 1
Baths
2,304 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$391K
$375K low$407K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$391,006
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$312,805

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,437 (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.$368,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$327,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$368,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$376,774

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.27
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
59
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
3
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

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.Colonial
CountyWinnebago
Lot (acres)The size of the land the home sits on, from county records.0.33
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 136 ft²

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

E
Oaklawn Elementary SchoolD+
Elementary · Grades KG–5 · 1.0 mi
H
Oshkosh North High SchoolB-
High · Grades 9–12 · 1.3 mi
M
Merrill Middle SchoolC-
Middle · Grades 6–8 · 1.5 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

870 Portside Ct 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 90% of homes in Oshkosh 54901
  • Bigger than 90% of homes in Winnebago County
  • Has a bigger lot than 88% of homes in Oshkosh 54901
  • Newer than 82% 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
$115K$684K

This home is worth more than 90% 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$391,006
CheaperTypical $207,291Pricier

Pricier than 90% of homes nearby

Price per ft²$170
CheaperTypical $154Pricier

Pricier than 62% of homes nearby

Living area2,304 ft²
SmallerTypical 1,482 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.33 ac
SmallerTypical 0.17 acBigger

Bigger than 88% of homes nearby

Year built1977
OlderTypical 1926Newer

Newer than 82% of homes nearby

How 870 Portside Ct ranks against every home in each area.
MeasureThis homeOshkosh 54901Winnebago County
Estimated valuepricier than$391,00690% of homes80% of homes
Price per ft²pricier than$17062% of homes57% of homes
Living areabigger than2,304 ft²88% of homes90% of homes
Lot sizebigger than0.33 ac88% of homes64% of homes
Year builtnewer than197782% of homes72% of homes

About 870 Portside Ct

How much is 870 Portside Ct, Oshkosh, WI worth?

The TopHap Estimate for 870 Portside Ct, Oshkosh, WI is $391,006 as of Jul 14, 2026. The likely range is $374,861 to $407,151. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 870 Portside Ct, Oshkosh, WI last sell?

870 Portside Ct, Oshkosh, WI last sold on Apr 20, 2020, according to the county's recorded deed.

How big is 870 Portside Ct, Oshkosh, WI?

870 Portside Ct, Oshkosh, WI has 4 bedrooms, 3 bathrooms, 2,304 square feet of living space and a 0.33-acre lot.

When was 870 Portside Ct, Oshkosh, WI built?

870 Portside Ct, Oshkosh, WI was built in 1977, making it 49 years old. It is a colonial home. The building has 2 stories.

What schools serve 870 Portside Ct, Oshkosh, WI?

870 Portside Ct, Oshkosh, WI is assigned to Oaklawn Elementary School (elementary), rated D+; Oshkosh North High School (high), rated B-; Merrill Middle School (middle), rated C-. All sit in Oshkosh Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 870 Portside Ct, Oshkosh, WI compare to other homes in Oshkosh 54901?

Among the 10,547 homes in Oshkosh 54901, it is worth more than 90% of them ($391,006 against a typical $207,291), its price per square foot is higher than 62% of them ($170 against a typical $154), it is bigger than 88% of them (2,304 ft² against a typical 1,482 ft²), its lot is bigger than 88% of them (0.33 ac against a typical 0.17 ac) and it is newer than 82% of them (1977 against a typical 1926). Measured against all of Winnebago County, it is worth more than 80% 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 870 Portside Ct, Oshkosh, WI?

The 2025 property tax bill for 870 Portside Ct, Oshkosh, WI was $6,437. The county assessed it at $368,000.

Closest homes

More homes in Oshkosh 54901

Assigned schools

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