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Residential (General/Single)Residential
$639,548
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 Aug 30, 2026

440 RIVER ST

MERRIMAC, WI 53561
0
Baths
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$640K
$541K low$738K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,375 (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.$652,400 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$327,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$324,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,008,261

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.38
35
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
28
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
58
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
54
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
18
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Residential (General/Single)
CountySauk
Lot (acres)The size of the land the home sits on, from county records.0.55

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

E
Merrimac Community Charter Elementary SchoolB+
Elementary · Grades PK–5 · 0.3 mi
H
Sauk Prairie High SchoolA-
High · Grades 9–12 · 8.6 mi
M
Sauk Prairie Middle SchoolC+
Middle · Grades 6–8 · 8.8 mi

District: Sauk Prairie School District

Neighborhood · ZIP 53561These 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.137
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.20

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.77%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.7%
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.1,779
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.40 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,698
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,995
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

440 River 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 93% of homes in Sauk County

What homes are worth in Merrimac 53561

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

This home
$81K$1.3M

This home is worth more than 68% of homes in Merrimac 53561.

How it measures up in Merrimac 53561

The dot is this home. The mark in the middle is the typical home in Merrimac 53561.

Estimated value$639,548
CheaperTypical $478,959Pricier

Pricier than 68% of homes nearby

Lot size0.55 ac
SmallerTypical 0.54 acBigger

Bigger than 51% of homes nearby

How 440 River St ranks against every home in each area.
MeasureThis homeMerrimac 53561Sauk County
Estimated valuepricier than$639,54868% of homes93% of homes
Lot sizebigger than0.55 ac51% of homes53% of homes

About 440 River St

How much is 440 River St, Merrimac, WI worth?

The TopHap Estimate for 440 River St, Merrimac, WI is $639,548 as of Aug 30, 2026. The likely range is $541,085 to $738,011. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 440 River St, Merrimac, WI?

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

How does 440 River St, Merrimac, WI compare to other homes in Merrimac 53561?

Among the 1,182 homes in Merrimac 53561, it is worth more than 68% of them ($639,548 against a typical $478,959) and its lot is bigger than 51% of them (0.55 ac against a typical 0.54 ac). Measured against all of Sauk County, it is worth more than 93% 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 440 River St, Merrimac, WI?

The 2024 property tax bill for 440 River St, Merrimac, WI was $12,375. The county assessed it at $652,400.

More homes on River St

More homes in Merrimac 53561

Assigned schools

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See this home in context

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