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Single Family ResidenceResidential
$123,548
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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

104 E UNION ST

BERLIN, WI 54923
0
Baths
0.3 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$124K
$121K low$126K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,434 (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.$104,000 (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.$82,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$104,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$107,060

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyGreen Lake
Lot (acres)The size of the land the home sits on, from county records.0.30

Transaction History(4)

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(1)

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

E
Clay Lamberton Elementary SchoolC+
Elementary · Grades PK–5 · 0.8 mi
M
Berlin Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi
H
Berlin High SchoolC+
High · Grades 9–12 · 0.9 mi

District: Berlin Area School District

Neighborhood · ZIP 54923These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.15

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.91%
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.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.9,013
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.67 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,612
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,881
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

104 E Union 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 88% of homes in Green Lake County
  • Has a smaller lot than 72% of homes in Green Lake County

What homes are worth in Berlin 54923

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

This home
$73K$574K

This home is worth more than 13% of homes in Berlin 54923.

How it measures up in Berlin 54923

The dot is this home. The mark in the middle is the typical home in Berlin 54923.

Estimated value$123,548
CheaperTypical $213,325Pricier

Pricier than 13% of homes nearby

Lot size0.3 ac
SmallerTypical 0.59 acBigger

Bigger than 35% of homes nearby

How 104 E Union St ranks against every home in each area.
MeasureThis homeBerlin 54923Green Lake County
Estimated valuepricier than$123,54813% of homes12% of homes
Lot sizebigger than0.3 ac35% of homes28% of homes

About 104 E Union St

How much is 104 E Union St, Berlin, WI worth?

The TopHap Estimate for 104 E Union St, Berlin, WI is $123,548 as of Aug 30, 2026. The likely range is $121,311 to $125,785. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 104 E Union St, Berlin, WI last sell?

104 E Union St, Berlin, WI last sold on May 29, 2008, according to the county's recorded deed.

What schools serve 104 E Union St, Berlin, WI?

104 E Union St, Berlin, WI is assigned to Clay Lamberton Elementary School (elementary), rated C+; Berlin Middle School (middle), rated C-; Berlin High School (high), rated C+. All sit in Berlin Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 104 E Union St, Berlin, WI compare to other homes in Berlin 54923?

Among the 3,247 homes in Berlin 54923, it is worth more than 13% of them ($123,548 against a typical $213,325) and its lot is bigger than 35% of them (0.3 ac against a typical 0.59 ac). Measured against all of Green Lake County, it is worth more than 12% 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 104 E Union St, Berlin, WI?

The 2025 property tax bill for 104 E Union St, Berlin, WI was $1,434. The county assessed it at $104,000.

More homes on E Union St

Closest homes

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Assigned schools

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