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Single Family ResidenceResidential
$319,892
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 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

423 SPRING ST

BELGIUM, WI 53004
3
Beds
1
Baths
0.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$320K
$284K low$356K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,527 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$275,700 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$242,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$177,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$283,400

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.Ranch
CountyOzaukee
Lot (acres)The size of the land the home sits on, from county records.0.40
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Cedar Grove-Belgium Elementary SchoolA-
Elementary · Grades PK–4 · 5.3 mi
M
Cedar Grove-Belgium Middle SchoolA+
Middle · Grades 5–8 · 5.4 mi
H
Cedar Grove-Belgium High SchoolA-
High · Grades 9–12 · 5.5 mi

District: Cedar Grove-Belgium Area School District

Neighborhood · ZIP 53004These 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.127
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.71
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.22

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.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.3,734
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.105 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,700
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$110,018
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%

Owner Tools

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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

423 Spring 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 85% of homes in Ozaukee County
  • Older than 74% of homes in Belgium 53004

What homes are worth in Belgium 53004

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

This home
$213K$1.1M

This home is worth more than 27% of homes in Belgium 53004.

How it measures up in Belgium 53004

The dot is this home. The mark in the middle is the typical home in Belgium 53004.

Estimated value$319,892
CheaperTypical $387,620Pricier

Pricier than 27% of homes nearby

Lot size0.4 ac
SmallerTypical 0.4 acBigger

Bigger than 49% of homes nearby

Year built1975
OlderTypical 1995Newer

Newer than 26% of homes nearby

How 423 Spring St ranks against every home in each area.
MeasureThis homeBelgium 53004Ozaukee County
Estimated valuepricier than$319,89227% of homes15% of homes
Lot sizebigger than0.4 ac49% of homes43% of homes
Year builtnewer than197526% of homes45% of homes

About 423 Spring St

How much is 423 Spring St, Belgium, WI worth?

The TopHap Estimate for 423 Spring St, Belgium, WI is $319,892 as of Oct 21, 2026. The likely range is $284,110 to $355,674. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 423 Spring St, Belgium, WI?

423 Spring St, Belgium, WI has 3 bedrooms, 1 bathrooms and a 0.40-acre lot.

When was 423 Spring St, Belgium, WI built?

423 Spring St, Belgium, WI was built in 1975, making it 51 years old. It is a ranch home. The building has 1 story.

What schools serve 423 Spring St, Belgium, WI?

423 Spring St, Belgium, WI is assigned to Cedar Grove-Belgium Elementary School (elementary), rated A-; Cedar Grove-Belgium Middle School (middle), rated A+; Cedar Grove-Belgium High School (high), rated A-. All sit in Cedar Grove-Belgium Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Spring St, Belgium, WI compare to other homes in Belgium 53004?

Among the 1,353 homes in Belgium 53004, it is worth more than 27% of them ($319,892 against a typical $387,620), its lot is bigger than 49% of them (0.4 ac against a typical 0.4 ac) and it is newer than 26% of them (1975 against a typical 1995). Measured against all of Ozaukee County, it is worth more than 15% 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 423 Spring St, Belgium, WI?

The 2024 property tax bill for 423 Spring St, Belgium, WI was $3,527. The county assessed it at $275,700.

More homes on Spring St

Closest homes

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Assigned schools

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