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Single Family ResidenceResidential
$285,675$169 / 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 Sep 24, 2026
Last sold for $187,500 on May 4, 2022

421 ELM ST

HUDSON, WI 54016
3
Beds
2
Baths
1,692 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$286K
$275K low$297K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$187,500 · May 4, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,374 (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.$333,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$72,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$260,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$204,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$333,100

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.23 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
CountySt. Croix
Lot (acres)The size of the land the home sits on, from county records.0.12
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 96 ft²

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.

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

E
Willow River Elementary SchoolA-
Elementary · Grades KG–5 · 0.2 mi
H
Hudson High SchoolB
High · Grades 9–12 · 0.7 mi
M
Hudson Middle SchoolA-
Middle · Grades 6–8 · 1.8 mi

District: Hudson School District

Neighborhood · ZIP 54016These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.9

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
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.33,084
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.453 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,575
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,159
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

421 Elm 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 87% of homes in Hudson 54016
  • Costs less per square foot than 91% of homes in Hudson 54016
  • Has a smaller lot than 97% of homes in St. Croix County
  • Among the oldest homes in Hudson 54016

What homes are worth in Hudson 54016

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

This home
$156K$1M

This home is worth more than 13% of homes in Hudson 54016.

How it measures up in Hudson 54016

The dot is this home. The mark in the middle is the typical home in Hudson 54016.

Estimated value$285,675
CheaperTypical $440,905Pricier

Pricier than 13% of homes nearby

Price per ft²$169
CheaperTypical $230Pricier

Pricier than 9% of homes nearby

Living area1,692 ft²
SmallerTypical 1,616 ft²Bigger

Bigger than 56% of homes nearby

Lot size0.12 ac
SmallerTypical 1.06 acBigger

Bigger than 4% of homes nearby

Year built1880
OlderTypical 1997Newer

Older than almost all homes nearby

How 421 Elm St ranks against every home in each area.
MeasureThis homeHudson 54016St. Croix County
Estimated valuepricier than$285,67513% of homes29% of homes
Price per ft²pricier than$1699% of homes9% of homes
Living areabigger than1,692 ft²56% of homes62% of homes
Lot sizebigger than0.12 ac4% of homes3% of homes
Year builtnewer than1880almost no homesalmost no homes

About 421 Elm St

How much is 421 Elm St, Hudson, WI worth?

The TopHap Estimate for 421 Elm St, Hudson, WI is $285,675 as of Sep 24, 2026. The likely range is $274,786 to $296,564. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Elm St, Hudson, WI last sell?

421 Elm St, Hudson, WI last sold on May 4, 2022 for $187,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 Elm St, Hudson, WI?

421 Elm St, Hudson, WI has 3 bedrooms, 2 bathrooms, 1,692 square feet of living space and a 0.12-acre lot.

When was 421 Elm St, Hudson, WI built?

421 Elm St, Hudson, WI was built in 1880, making it 146 years old. The building has 2 stories.

What schools serve 421 Elm St, Hudson, WI?

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

How does 421 Elm St, Hudson, WI compare to other homes in Hudson 54016?

Among the 12,119 homes in Hudson 54016, it is worth more than 13% of them ($285,675 against a typical $440,905), its price per square foot is higher than 9% of them ($169 against a typical $230), it is bigger than 56% of them (1,692 ft² against a typical 1,616 ft²), its lot is bigger than 4% of them (0.12 ac against a typical 1.06 ac) and it is newer than almost none of them (1880 against a typical 1997). Measured against all of St. Croix County, it is worth more than 29% 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 Elm St, Hudson, WI?

The 2025 property tax bill for 421 Elm St, Hudson, WI was $4,374. The county assessed it at $333,100.

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Assigned schools

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