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Single Family ResidenceResidential
$495,157$185 / 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 93How 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 $315,000 on May 26, 2011

508 KNOLLWOOD DR

HUDSON, WI 54016
4
Beds
2.5
Baths
2,680 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.
0.55 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$495K
$459K low$531K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · May 26, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,943 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$542,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$116,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$426,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$363,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$542,000

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.Split Level
CountyST. CROIX
Lot (acres)The size of the land the home sits on, from county records.0.55
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 With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 264 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.

H
Hudson High SchoolB
High · Grades 9–12 · 0.4 mi
E
Willow River Elementary SchoolA-
Elementary · Grades KG–5 · 0.7 mi
M
Hudson Middle SchoolA-
Middle · Grades 6–8 · 1.3 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

508 Knollwood Dr 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 79% of homes in St. Croix County
  • Costs less per square foot than 83% of homes in St. Croix County
  • Bigger than 92% 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
$157K$1M

This home is worth more than 63% 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$495,157
CheaperTypical $441,384Pricier

Pricier than 63% of homes nearby

Price per ft²$185
CheaperTypical $230Pricier

Pricier than 18% of homes nearby

Living area2,680 ft²
SmallerTypical 1,622 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.55 ac
SmallerTypical 1.02 acBigger

Bigger than 44% of homes nearby

Year built1986
OlderTypical 1997Newer

Newer than 37% of homes nearby

How 508 Knollwood Dr ranks against every home in each area.
MeasureThis homeHudson 54016St. Croix County
Estimated valuepricier than$495,15763% of homes79% of homes
Price per ft²pricier than$18518% of homes17% of homes
Living areabigger than2,680 ft²90% of homes92% of homes
Lot sizebigger than0.55 ac44% of homes44% of homes
Year builtnewer than198637% of homes37% of homes

About 508 Knollwood Dr

How much is 508 Knollwood Dr, Hudson, WI worth?

The TopHap Estimate for 508 Knollwood Dr, Hudson, WI is $495,157 as of Sep 24, 2026. The likely range is $458,891 to $531,423. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 508 Knollwood Dr, Hudson, WI last sell?

508 Knollwood Dr, Hudson, WI last sold on May 26, 2011 for $315,000, according to the county's recorded deed.

How big is 508 Knollwood Dr, Hudson, WI?

508 Knollwood Dr, Hudson, WI has 4 bedrooms, 2.5 bathrooms, 2,680 square feet of living space and a 0.55-acre lot.

When was 508 Knollwood Dr, Hudson, WI built?

508 Knollwood Dr, Hudson, WI was built in 1986, making it 40 years old. It is a split level home.

What schools serve 508 Knollwood Dr, Hudson, WI?

508 Knollwood Dr, Hudson, WI is assigned to Hudson High School (high), rated B; Willow River Elementary School (elementary), rated A-; 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 508 Knollwood Dr, Hudson, WI compare to other homes in Hudson 54016?

Among the 12,119 homes in Hudson 54016, it is worth more than 63% of them ($495,157 against a typical $441,384), its price per square foot is higher than 18% of them ($185 against a typical $230), it is bigger than 90% of them (2,680 ft² against a typical 1,622 ft²), its lot is bigger than 44% of them (0.55 ac against a typical 1.02 ac) and it is newer than 37% of them (1986 against a typical 1997). Measured against all of St. Croix County, it is worth more than 79% 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 508 Knollwood Dr, Hudson, WI?

The 2026 property tax bill for 508 Knollwood Dr, Hudson, WI was $6,943. The county assessed it at $542,000.

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