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Single Family ResidenceResidential
$489,551
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 94How 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
Last sold for $249,500 on Feb 22, 2016

424 OPAL CT

FREDONIA, WI 53021
0
Baths
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$490K
$461K low$518K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$249,500 · Feb 22, 2016

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,348 (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.$420,400 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$368,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$253,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$430,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyOzaukee
Lot (acres)The size of the land the home sits on, from county records.0.34
HeatingThe type of heating system in the home.None
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.

H
Ozaukee High SchoolB+
High · Grades 9–12 · 0.1 mi
M
Ozaukee Middle SchoolA
Middle · Grades 6–8 · 0.1 mi
E
Ozaukee Elementary SchoolB
Elementary · Grades PK–5 · 0.1 mi

District: Northern Ozaukee School District

Neighborhood · ZIP 53021These 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.125
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 100.19

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.3,689
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.110 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,888
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,539
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

424 Opal Ct 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 more than 75% of homes in Fredonia 53021
  • Has a smaller lot than 85% of homes in Fredonia 53021

What homes are worth in Fredonia 53021

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

This home
$159K$805K

This home is worth more than 75% of homes in Fredonia 53021.

How it measures up in Fredonia 53021

The dot is this home. The mark in the middle is the typical home in Fredonia 53021.

Estimated value$489,551
CheaperTypical $388,121Pricier

Pricier than 75% of homes nearby

Lot size0.34 ac
SmallerTypical 1.79 acBigger

Bigger than 15% of homes nearby

How 424 Opal Ct ranks against every home in each area.
MeasureThis homeFredonia 53021Ozaukee County
Estimated valuepricier than$489,55175% of homes54% of homes
Lot sizebigger than0.34 ac15% of homes37% of homes

About 424 Opal Ct

How much is 424 Opal Ct, Fredonia, WI worth?

The TopHap Estimate for 424 Opal Ct, Fredonia, WI is $489,551 as of Oct 21, 2026. The likely range is $460,798 to $518,304. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 424 Opal Ct, Fredonia, WI last sell?

424 Opal Ct, Fredonia, WI last sold on Feb 22, 2016 for $249,500, according to the county's recorded deed.

What schools serve 424 Opal Ct, Fredonia, WI?

424 Opal Ct, Fredonia, WI is assigned to Ozaukee High School (high), rated B+; Ozaukee Middle School (middle), rated A; Ozaukee Elementary School (elementary), rated B. All sit in Northern Ozaukee School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 424 Opal Ct, Fredonia, WI compare to other homes in Fredonia 53021?

Among the 1,707 homes in Fredonia 53021, it is worth more than 75% of them ($489,551 against a typical $388,121) and its lot is bigger than 15% of them (0.34 ac against a typical 1.79 ac). Measured against all of Ozaukee County, it is worth more than 54% 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 424 Opal Ct, Fredonia, WI?

The 2024 property tax bill for 424 Opal Ct, Fredonia, WI was $5,348. The county assessed it at $420,400.

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Assigned schools

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