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Single Family ResidentialResidential
$196,952$224 / 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 92How 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

420 MILL ST

ALGOMA, WI 54201
4
Beds
2
Baths
879 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.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$197K
$182K low$212K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,914 (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.$173,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$164,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$173,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$194,900

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.26
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
43
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
64
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
22
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 Residential
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyKewaunee
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.1940
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 390 ft²

Transaction History(3)

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.

E
Algoma Elementary SchoolD+
Elementary · Grades PK–6 · 0.3 mi
M
Algoma High SchoolD
Middle · Grades 7–12 · 0.8 mi

District: Algoma School District

Neighborhood · ZIP 54201These 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.149
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.5,784
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.75 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,948
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,753
Average tempThe average temperature here across a full year.44°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

420 Mill 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 83% of homes in Kewaunee County
  • Costs more per square foot than 70% of homes in Algoma 54201
  • Smaller than 84% of homes in Algoma 54201
  • Older than 82% of homes in Algoma 54201

What homes are worth in Algoma 54201

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

This home
$96K$711K

This home is worth more than 24% of homes in Algoma 54201.

How it measures up in Algoma 54201

The dot is this home. The mark in the middle is the typical home in Algoma 54201.

Estimated value$196,952
CheaperTypical $252,081Pricier

Pricier than 24% of homes nearby

Price per ft²$224
CheaperTypical $199Pricier

Pricier than 70% of homes nearby

Living area879 ft²
SmallerTypical 1,147 ft²Bigger

Bigger than 16% of homes nearby

Year built1920
OlderTypical 1950Newer

Newer than 18% of homes nearby

How 420 Mill St ranks against every home in each area.
MeasureThis homeAlgoma 54201Kewaunee County
Estimated valuepricier than$196,95224% of homes17% of homes
Price per ft²pricier than$22470% of homes61% of homes
Living areabigger than879 ft²16% of homes18% of homes
Year builtnewer than192018% of homes22% of homes

About 420 Mill St

How much is 420 Mill St, Algoma, WI worth?

The TopHap Estimate for 420 Mill St, Algoma, WI is $196,952 as of Sep 24, 2026. The likely range is $181,620 to $212,284. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 420 Mill St, Algoma, WI?

420 Mill St, Algoma, WI has 4 bedrooms, 2 bathrooms and 879 square feet of living space.

When was 420 Mill St, Algoma, WI built?

420 Mill St, Algoma, WI was built in 1920, making it 106 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 420 Mill St, Algoma, WI?

420 Mill St, Algoma, WI is assigned to Algoma Elementary School (elementary), rated D+; Algoma High School (middle), rated D. All sit in Algoma School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 420 Mill St, Algoma, WI compare to other homes in Algoma 54201?

Among the 2,441 homes in Algoma 54201, it is worth more than 24% of them ($196,952 against a typical $252,081), its price per square foot is higher than 70% of them ($224 against a typical $199), it is bigger than 16% of them (879 ft² against a typical 1,147 ft²) and it is newer than 18% of them (1920 against a typical 1950). Measured against all of Kewaunee County, it is worth more than 17% 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 420 Mill St, Algoma, WI?

The 2025 property tax bill for 420 Mill St, Algoma, WI was $2,914. The county assessed it at $173,500.

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