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Single Family ResidenceResidential
$603,804
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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

423 CHESTNUT ST

SAUK CITY, WI 53583
0
Baths
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$604K
$518K low$689K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,624 (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.$522,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$96,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$425,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$522,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$662,456

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.4 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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
CountySauk
Lot (acres)The size of the land the home sits on, from county records.0.33

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

M
Sauk Prairie Middle SchoolC+
Middle · Grades 6–8 · 0.6 mi
H
Sauk Prairie High SchoolA-
High · Grades 9–12 · 0.8 mi
E
Bridges Elementary School
Elementary · Grades EE–2 · 1.1 mi

District: Sauk Prairie School District

Neighborhood · ZIP 53583These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.18

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
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.0.8%
PopulationHow many people live in this area.5,173
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.70 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,130
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,702
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

423 Chestnut 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 92% of homes in Sauk County

What homes are worth in Sauk City 53583

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

This home
$176K$804K

This home is worth more than 88% of homes in Sauk City 53583.

How it measures up in Sauk City 53583

The dot is this home. The mark in the middle is the typical home in Sauk City 53583.

Estimated value$603,804
CheaperTypical $387,799Pricier

Pricier than 88% of homes nearby

Lot size0.33 ac
SmallerTypical 0.42 acBigger

Bigger than 43% of homes nearby

How 423 Chestnut St ranks against every home in each area.
MeasureThis homeSauk City 53583Sauk County
Estimated valuepricier than$603,80488% of homes92% of homes
Lot sizebigger than0.33 ac43% of homes37% of homes

About 423 Chestnut St

How much is 423 Chestnut St, Sauk City, WI worth?

The TopHap Estimate for 423 Chestnut St, Sauk City, WI is $603,804 as of Aug 30, 2026. The likely range is $518,314 to $689,294. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 423 Chestnut St, Sauk City, WI?

423 Chestnut St, Sauk City, WI is assigned to Sauk Prairie Middle School (middle), rated C+; Sauk Prairie High School (high), rated A-; Bridges Elementary School (elementary). All sit in Sauk Prairie School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 423 Chestnut St, Sauk City, WI compare to other homes in Sauk City 53583?

Among the 1,806 homes in Sauk City 53583, it is worth more than 88% of them ($603,804 against a typical $387,799) and its lot is bigger than 43% of them (0.33 ac against a typical 0.42 ac). Measured against all of Sauk County, it is worth more than 92% 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 Chestnut St, Sauk City, WI?

The 2025 property tax bill for 423 Chestnut St, Sauk City, WI was $8,624. The county assessed it at $522,100.

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Assigned schools

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