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Single Family ResidentialResidential
$474,768
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 84How 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

521 PAUL AVE

CAMPBELLSPORT, WI 53010
0
Baths
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$475K
$398K low$551K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,329 (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.$390,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$350,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$247,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$389,271

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyFond du Lac
Lot (acres)The size of the land the home sits on, from county records.0.39
HeatingThe type of heating system in the home.None

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
Campbellsport Elementary SchoolB
Elementary · Grades PK–5 · 1.0 mi
M
Campbellsport Middle SchoolA-
Middle · Grades 6–8 · 1.1 mi
H
Campbellsport High SchoolB+
High · Grades 9–12 · 1.1 mi

District: Campbellsport School District

Neighborhood · ZIP 53010These 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.98
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 100.22

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.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.7,689
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.71 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,020
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,363
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

521 Paul Ave 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 86% of homes in Fond du Lac County
  • Has a smaller lot than 76% of homes in Campbellsport 53010

What homes are worth in Campbellsport 53010

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

This home
$120K$838K

This home is worth more than 73% of homes in Campbellsport 53010.

How it measures up in Campbellsport 53010

The dot is this home. The mark in the middle is the typical home in Campbellsport 53010.

Estimated value$474,768
CheaperTypical $369,702Pricier

Pricier than 73% of homes nearby

Lot size0.39 ac
SmallerTypical 1.14 acBigger

Bigger than 24% of homes nearby

How 521 Paul Ave ranks against every home in each area.
MeasureThis homeCampbellsport 53010Fond du Lac County
Estimated valuepricier than$474,76873% of homes86% of homes
Lot sizebigger than0.39 ac24% of homes55% of homes

About 521 Paul Ave

How much is 521 Paul Ave, Campbellsport, WI worth?

The TopHap Estimate for 521 Paul Ave, Campbellsport, WI is $474,768 as of Sep 24, 2026. The likely range is $398,451 to $551,085. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Paul Ave, Campbellsport, WI last sell?

521 Paul Ave, Campbellsport, WI last sold on Nov 17, 2006, according to the county's recorded deed.

What schools serve 521 Paul Ave, Campbellsport, WI?

521 Paul Ave, Campbellsport, WI is assigned to Campbellsport Elementary School (elementary), rated B; Campbellsport Middle School (middle), rated A-; Campbellsport High School (high), rated B+. All sit in Campbellsport School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Paul Ave, Campbellsport, WI compare to other homes in Campbellsport 53010?

Among the 3,380 homes in Campbellsport 53010, it is worth more than 73% of them ($474,768 against a typical $369,702) and its lot is bigger than 24% of them (0.39 ac against a typical 1.14 ac). Measured against all of Fond du Lac County, it is worth more than 86% 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 521 Paul Ave, Campbellsport, WI?

The 2025 property tax bill for 521 Paul Ave, Campbellsport, WI was $6,329. The county assessed it at $390,600.

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Assigned schools

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