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Residential (General/Single)Residential
$232,859
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 85How 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

309 MAIN ST

FAIRWATER, WI 53931
0
Baths

Valuation

$233K
$197K low$269K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,678 (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.$80,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$121,748

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.41
69
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
60
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
56
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
4
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.23 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyFond du Lac
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.

Foreclosure Filings(2)

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

M
Markesan Middle SchoolB-
Middle · Grades 6–8 · 6.4 mi
H
Markesan High SchoolB+
High · Grades 9–12 · 6.4 mi
E
Markesan Elementary SchoolC-
Elementary · Grades PK–5 · 6.8 mi

District: Markesan School District

Neighborhood · ZIP 53931These 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.111
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.25
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.31 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,396
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,969
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

309 Main 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 more than 70% of homes in Fairwater 53931

What homes are worth in Fairwater 53931

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

This home
$73K$351K

This home is worth more than 70% of homes in Fairwater 53931.

How it measures up in Fairwater 53931

The dot is this home. The mark in the middle is the typical home in Fairwater 53931.

Estimated value$232,859
CheaperTypical $179,198Pricier

Pricier than 70% of homes nearby

How 309 Main St ranks against every home in each area.
MeasureThis homeFairwater 53931Fond du Lac County
Estimated valuepricier than$232,85970% of homes38% of homes

About 309 Main St

How much is 309 Main St, Fairwater, WI worth?

The TopHap Estimate for 309 Main St, Fairwater, WI is $232,859 as of Sep 24, 2026. The likely range is $197,073 to $268,645. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Main St, Fairwater, WI last sell?

309 Main St, Fairwater, WI last sold on Mar 29, 2017, according to the county's recorded deed.

What schools serve 309 Main St, Fairwater, WI?

309 Main St, Fairwater, WI is assigned to Markesan Middle School (middle), rated B-; Markesan High School (high), rated B+; Markesan Elementary School (elementary), rated C-. All sit in Markesan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 309 Main St, Fairwater, WI?

The 2025 property tax bill for 309 Main St, Fairwater, WI was $1,678. The county assessed it at $80,700.

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Assigned schools

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See this home in context

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