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Single Family ResidentialResidential
$335,642
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 89How 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
Last sold for $156,000 on Dec 19, 2014

421 WILLOW ST

ARENA, WI 53503
0
Baths
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$336K
$297K low$374K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$156,000 · Dec 19, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,023 (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.$164,700 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$164,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$231,130

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.8 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 Residential
CountyIowa
Lot (acres)The size of the land the home sits on, from county records.0.26
HeatingThe type of heating system in the home.None
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

M
River Valley Middle SchoolA
Middle · Grades 5–8 · 8.3 mi
H
River Valley High SchoolB+
High · Grades 9–12 · 8.3 mi
E
River Valley Elementary SchoolD
Elementary · Grades 1–4 · 8.5 mi

District: River Valley School District

Neighborhood · ZIP 53503These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
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.1,909
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.32 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,524
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,684
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

421 Willow 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.

  • Has a smaller lot than 86% of homes in Arena 53503

What homes are worth in Arena 53503

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

This home
$73K$1M

This home is worth more than 54% of homes in Arena 53503.

How it measures up in Arena 53503

The dot is this home. The mark in the middle is the typical home in Arena 53503.

Estimated value$335,642
CheaperTypical $320,539Pricier

Pricier than 54% of homes nearby

Lot size0.26 ac
SmallerTypical 0.8 acBigger

Bigger than 14% of homes nearby

How 421 Willow St ranks against every home in each area.
MeasureThis homeArena 53503Iowa County
Estimated valuepricier than$335,64254% of homes58% of homes
Lot sizebigger than0.26 ac14% of homes25% of homes

About 421 Willow St

How much is 421 Willow St, Arena, WI worth?

The TopHap Estimate for 421 Willow St, Arena, WI is $335,642 as of Sep 24, 2026. The likely range is $297,325 to $373,959. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Willow St, Arena, WI last sell?

421 Willow St, Arena, WI last sold on Dec 19, 2014 for $156,000, according to the county's recorded deed.

What schools serve 421 Willow St, Arena, WI?

421 Willow St, Arena, WI is assigned to River Valley Middle School (middle), rated A; River Valley High School (high), rated B+; River Valley Elementary School (elementary), rated D. All sit in River Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Willow St, Arena, WI compare to other homes in Arena 53503?

Among the 738 homes in Arena 53503, it is worth more than 54% of them ($335,642 against a typical $320,539) and its lot is bigger than 14% of them (0.26 ac against a typical 0.8 ac). Measured against all of Iowa County, it is worth more than 58% 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 421 Willow St, Arena, WI?

The 2024 property tax bill for 421 Willow St, Arena, WI was $4,023. The county assessed it at $164,700.

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Assigned schools

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