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Single Family ResidenceResidential
$371,001$329 / 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 81How 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

509 GRAY ST

HUDSON, WI 54016
3
Beds
1
Baths
1,128 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.
0.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1957
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$371K
$301K low$441K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,273 (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.$342,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$126,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$238,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$342,100

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyST. CROIX
Lot (acres)The size of the land the home sits on, from county records.0.38
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 120 ft²

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.

E
E.P. Rock Elementary SchoolA-
Elementary · Grades KG–5 · 0.1 mi
H
Hudson High SchoolA+
High · Grades 9–12 · 0.9 mi
M
Hudson Middle SchoolC
Middle · Grades 6–8 · 1.7 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%

Owner Tools

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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

509 Gray 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 68% of homes in Hudson 54016
  • Costs more per square foot than 85% of homes in Hudson 54016
  • Smaller than 79% of homes in Hudson 54016
  • Has a smaller lot than 67% of homes in St. Croix County
  • Older than 82% of homes in St. Croix County

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
$166K$1M

This home is worth more than 32% 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$371,001
CheaperTypical $441,541Pricier

Pricier than 32% of homes nearby

Price per ft²$329
CheaperTypical $230Pricier

Pricier than 85% of homes nearby

Living area1,128 ft²
SmallerTypical 1,615 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.38 ac
SmallerTypical 1.07 acBigger

Bigger than 38% of homes nearby

Year built1957
OlderTypical 1997Newer

Newer than 20% of homes nearby

How 509 Gray St ranks against every home in each area.
MeasureThis homeHudson 54016St. Croix County
Estimated valuepricier than$371,00132% of homes54% of homes
Price per ft²pricier than$32985% of homes84% of homes
Living areabigger than1,128 ft²21% of homes29% of homes
Lot sizebigger than0.38 ac38% of homes33% of homes
Year builtnewer than195720% of homes18% of homes

About 509 Gray St

How much is 509 Gray St, Hudson, WI worth?

The TopHap Estimate for 509 Gray St, Hudson, WI is $371,001 as of Sep 24, 2026. The likely range is $301,124 to $440,878. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Gray St, Hudson, WI last sell?

509 Gray St, Hudson, WI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 Gray St, Hudson, WI?

509 Gray St, Hudson, WI has 3 bedrooms, 1 bathrooms, 1,128 square feet of living space and a 0.38-acre lot.

When was 509 Gray St, Hudson, WI built?

509 Gray St, Hudson, WI was built in 1957, making it 69 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Gray St, Hudson, WI?

509 Gray St, Hudson, WI is assigned to E.P. Rock Elementary School (elementary), rated A-; Hudson High School (high), rated A+; Hudson Middle School (middle), rated C. All sit in Hudson School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Gray St, Hudson, WI compare to other homes in Hudson 54016?

Among the 12,119 homes in Hudson 54016, it is worth more than 32% of them ($371,001 against a typical $441,541), its price per square foot is higher than 85% of them ($329 against a typical $230), it is bigger than 21% of them (1,128 ft² against a typical 1,615 ft²), its lot is bigger than 38% of them (0.38 ac against a typical 1.07 ac) and it is newer than 20% of them (1957 against a typical 1997). Measured against all of St. Croix County, it is worth more than 54% 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 509 Gray St, Hudson, WI?

The 2025 property tax bill for 509 Gray St, Hudson, WI was $4,273. The county assessed it at $342,100.

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Assigned schools

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