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Single Family ResidenceResidential
$150,165$182 / ft²
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 96How 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 $109,100 on May 8, 2024

431 PORTAGE ST

FOND DU LAC, WI 54935
2
Beds
1
Baths
825 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$150K
$145K low$156K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$109,100 · May 8, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,429 (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.$142,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$128,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$82,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,985

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyFOND DU LAC
Lot (acres)The size of the land the home sits on, from county records.0.15
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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
Parkside Elementary SchoolD
Elementary · Grades PK–5 · 0.3 mi
M
Sabish Middle SchoolC+
Middle · Grades 6–8 · 0.5 mi
H
Fond Du Lac High SchoolD
High · Grades 9–12 · 2.4 mi

District: Fond Du Lac School District

Neighborhood · ZIP 54935These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
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.95%
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.11%
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.41,617
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,747 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,663
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$73,827
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

431 Portage 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 89% of homes in Fond du Lac County
  • Smaller than 96% of homes in Fond Du Lac 54935
  • Has a smaller lot than 88% of homes in Fond du Lac County

What homes are worth in Fond Du Lac 54935

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

This home
$98K$613K

This home is worth more than 14% of homes in Fond Du Lac 54935.

How it measures up in Fond Du Lac 54935

The dot is this home. The mark in the middle is the typical home in Fond Du Lac 54935.

Estimated value$150,165
CheaperTypical $226,703Pricier

Pricier than 14% of homes nearby

Price per ft²$182
CheaperTypical $171Pricier

Pricier than 56% of homes nearby

Living area825 ft²
SmallerTypical 1,398 ft²Bigger

Bigger than 4% of homes nearby

Lot size0.15 ac
SmallerTypical 0.19 acBigger

Bigger than 25% of homes nearby

Year built1953
OlderTypical 1951Newer

Newer than 53% of homes nearby

How 431 Portage St ranks against every home in each area.
MeasureThis homeFond Du Lac 54935Fond du Lac County
Estimated valuepricier than$150,16514% of homes11% of homes
Price per ft²pricier than$18256% of homes54% of homes
Living areabigger than825 ft²4% of homes4% of homes
Lot sizebigger than0.15 ac25% of homes12% of homes
Year builtnewer than195353% of homes49% of homes

About 431 Portage St

How much is 431 Portage St, Fond Du Lac, WI worth?

The TopHap Estimate for 431 Portage St, Fond Du Lac, WI is $150,165 as of Oct 21, 2026. The likely range is $144,827 to $155,503. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 431 Portage St, Fond Du Lac, WI last sell?

431 Portage St, Fond Du Lac, WI last sold on May 8, 2024 for $109,100, according to the county's recorded deed.

How big is 431 Portage St, Fond Du Lac, WI?

431 Portage St, Fond Du Lac, WI has 2 bedrooms, 1 bathrooms, 825 square feet of living space and a 0.15-acre lot.

When was 431 Portage St, Fond Du Lac, WI built?

431 Portage St, Fond Du Lac, WI was built in 1953, making it 73 years old.

What schools serve 431 Portage St, Fond Du Lac, WI?

431 Portage St, Fond Du Lac, WI is assigned to Parkside Elementary School (elementary), rated D; Sabish Middle School (middle), rated C+; Fond Du Lac High School (high), rated D. All sit in Fond Du Lac School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 431 Portage St, Fond Du Lac, WI compare to other homes in Fond Du Lac 54935?

Among the 13,798 homes in Fond Du Lac 54935, it is worth more than 14% of them ($150,165 against a typical $226,703), its price per square foot is higher than 56% of them ($182 against a typical $171), it is bigger than 4% of them (825 ft² against a typical 1,398 ft²), its lot is bigger than 25% of them (0.15 ac against a typical 0.19 ac) and it is newer than 53% of them (1953 against a typical 1951). Measured against all of Fond du Lac County, it is worth more than 11% 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 431 Portage St, Fond Du Lac, WI?

The 2025 property tax bill for 431 Portage St, Fond Du Lac, WI was $2,429. The county assessed it at $142,800.

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