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Single Family ResidenceResidential
$189,361$105 / 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 Sep 24, 2026
Last sold for $95,000 on Aug 21, 2020

421 OAK ST

RIPON, WI 54971
5
Beds
2 / 1
Baths
1,806 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$189K
$181K low$198K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$95,000 · Aug 21, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,283 (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.$102,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$80,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$157,627

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.Traditional/Old
CountyFond du Lac
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1910
Lot (acres)The size of the land the home sits on, from county records.0.27
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
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, Detached

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.

H
Ripon High SchoolB+
High · Grades 9–12 · 0.6 mi
M
Ripon Middle SchoolB+
Middle · Grades 6–8 · 0.7 mi

District: Ripon Area School District

Neighborhood · ZIP 54971These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
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.12,292
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.109 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$69,894
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,131
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.32 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

421 Oak 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 less than 77% of homes in Fond du Lac County
  • Costs less per square foot than 90% of homes in Fond du Lac County
  • Bigger than 73% of homes in Fond du Lac County
  • Older than 84% of homes in Fond du Lac County

What homes are worth in Ripon 54971

Each bar is how many homes fall in that price range. The marker is this home.

This home
$82K$1.5M

This home is worth more than 30% of homes in Ripon 54971.

How it measures up in Ripon 54971

The dot is this home. The mark in the middle is the typical home in Ripon 54971.

Estimated value$189,361
CheaperTypical $233,738Pricier

Pricier than 30% of homes nearby

Price per ft²$105
CheaperTypical $147Pricier

Pricier than 15% of homes nearby

Living area1,806 ft²
SmallerTypical 1,506 ft²Bigger

Bigger than 69% of homes nearby

Lot size0.27 ac
SmallerTypical 0.34 acBigger

Bigger than 38% of homes nearby

Year built1900
OlderTypical 1950Newer

Newer than 23% of homes nearby

How 421 Oak St ranks against every home in each area.
MeasureThis homeRipon 54971Fond du Lac County
Estimated valuepricier than$189,36130% of homes23% of homes
Price per ft²pricier than$10515% of homes10% of homes
Living areabigger than1,806 ft²69% of homes73% of homes
Lot sizebigger than0.27 ac38% of homes42% of homes
Year builtnewer than190023% of homes16% of homes

About 421 Oak St

How much is 421 Oak St, Ripon, WI worth?

The TopHap Estimate for 421 Oak St, Ripon, WI is $189,361 as of Sep 24, 2026. The likely range is $181,167 to $197,555. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Oak St, Ripon, WI last sell?

421 Oak St, Ripon, WI last sold on Aug 21, 2020 for $95,000, according to the county's recorded deed.

How big is 421 Oak St, Ripon, WI?

421 Oak St, Ripon, WI has 5 bedrooms, 2 bathrooms, 1,806 square feet of living space and a 0.27-acre lot.

When was 421 Oak St, Ripon, WI built?

421 Oak St, Ripon, WI was built in 1900, making it 126 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 421 Oak St, Ripon, WI?

421 Oak St, Ripon, WI is assigned to Ripon High School (high), rated B+; Ripon Middle School (middle), rated B+. All sit in Ripon Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Oak St, Ripon, WI compare to other homes in Ripon 54971?

Among the 3,879 homes in Ripon 54971, it is worth more than 30% of them ($189,361 against a typical $233,738), its price per square foot is higher than 15% of them ($105 against a typical $147), it is bigger than 69% of them (1,806 ft² against a typical 1,506 ft²), its lot is bigger than 38% of them (0.27 ac against a typical 0.34 ac) and it is newer than 23% of them (1900 against a typical 1950). Measured against all of Fond du Lac County, it is worth more than 23% 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 421 Oak St, Ripon, WI?

The 2025 property tax bill for 421 Oak St, Ripon, WI was $2,283. The county assessed it at $102,200.

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