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Single Family ResidenceResidential
$333,084
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 91How 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 $385,000 on Sep 12, 2025

405 UNION ST

GREEN LAKE, WI 54941
0
Baths
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$333K
$304K low$362K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$385,000 · Sep 12, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,690 (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.$292,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$65,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$227,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$155,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$278,740

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.0.23
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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

E
Green Lake Elementary SchoolA-
Elementary · Grades PK–6 · 0.8 mi
M
Green Lake High SchoolB
Middle · Grades 7–12 · 0.8 mi

District: Green Lake School District

Neighborhood · ZIP 54941These 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.150
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
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.61%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
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.2,539
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.58 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,250
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,093
Average tempThe average temperature here across a full year.46°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

405 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 70% of homes in Green Lake 54941
  • Has a smaller lot than 96% of homes in Green Lake 54941

What homes are worth in Green Lake 54941

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

This home
$139K$3.7M

This home is worth more than 30% of homes in Green Lake 54941.

How it measures up in Green Lake 54941

The dot is this home. The mark in the middle is the typical home in Green Lake 54941.

Estimated value$333,084
CheaperTypical $458,364Pricier

Pricier than 30% of homes nearby

Lot size0.23 ac
SmallerTypical 0.69 acBigger

Bigger than 4% of homes nearby

How 405 Union St ranks against every home in each area.
MeasureThis homeGreen Lake 54941Green Lake County
Estimated valuepricier than$333,08430% of homes62% of homes
Lot sizebigger than0.23 ac4% of homes18% of homes

About 405 Union St

How much is 405 Union St, Green Lake, WI worth?

The TopHap Estimate for 405 Union St, Green Lake, WI is $333,084 as of Sep 24, 2026. The likely range is $304,028 to $362,140. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 405 Union St, Green Lake, WI last sell?

405 Union St, Green Lake, WI last sold on Sep 12, 2025 for $385,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 405 Union St, Green Lake, WI?

405 Union St, Green Lake, WI is assigned to Green Lake Elementary School (elementary), rated A-; Green Lake High School (middle), rated B. All sit in Green Lake School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 405 Union St, Green Lake, WI compare to other homes in Green Lake 54941?

Among the 1,785 homes in Green Lake 54941, it is worth more than 30% of them ($333,084 against a typical $458,364) and its lot is bigger than 4% of them (0.23 ac against a typical 0.69 ac). Measured against all of Green Lake County, it is worth more than 62% 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 405 Union St, Green Lake, WI?

The 2025 property tax bill for 405 Union St, Green Lake, WI was $3,690. The county assessed it at $292,500.

More homes on Union St

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Assigned schools

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