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Single Family ResidenceResidential
$488,227$333 / 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 $270,000 on Apr 17, 2008

509 S MILLS ST

MADISON, WI 53715
3
Beds
1
Baths
1,465 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.
3,999 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
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

$488K
$467K low$509K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$270,000 · Apr 17, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,584 (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.$489,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$123,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$365,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$489,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$489,600

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.Cape Cod
CountyDane
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1963
Lot (acres)The size of the land the home sits on, from county records.0.09
ConstructionThe main material the home's frame and walls are built from.Stone
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
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, Detached
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.

E
Franklin Elementary School
Elementary · Grades PK–2 · 0.9 mi
H
West High SchoolA
High · Grades 9–12 · 1.2 mi
M
Velma Hamilton Middle SchoolA-
Middle · Grades 6–8 · 2.8 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53715These 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.162
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 100.28

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.43%
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.11,368
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,452 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,213
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$69,900
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.35 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

509 S Mills 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.

  • Costs more per square foot than 81% of homes in Dane County
  • Smaller than 65% of homes in Dane County
  • Has a smaller lot than 94% of homes in Dane County
  • Older than 85% of homes in Dane County

What homes are worth in Madison 53715

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

This home
$234K$988K

This home is worth more than 57% of homes in Madison 53715.

How it measures up in Madison 53715

The dot is this home. The mark in the middle is the typical home in Madison 53715.

Estimated value$488,227
CheaperTypical $466,077Pricier

Pricier than 57% of homes nearby

Price per ft²$333
CheaperTypical $326Pricier

Pricier than 54% of homes nearby

Living area1,465 ft²
SmallerTypical 1,545 ft²Bigger

Bigger than 44% of homes nearby

Lot size3,999 ft²
SmallerTypical 0.13 acBigger

Bigger than 24% of homes nearby

Year built1940
OlderTypical 1926Newer

Newer than 72% of homes nearby

How 509 S Mills St ranks against every home in each area.
MeasureThis homeGreenbushMadison 53715Dane County
Estimated valuepricier than$488,22758% of homes57% of homes61% of homes
Price per ft²pricier than$33359% of homes54% of homes81% of homes
Living areabigger than1,465 ft²42% of homes44% of homes35% of homes
Lot sizebigger than3,999 ft²38% of homes24% of homes6% of homes
Year builtnewer than194082% of homes72% of homes15% of homes

About 509 S Mills St

How much is 509 S Mills St, Madison, WI worth?

The TopHap Estimate for 509 S Mills St, Madison, WI is $488,227 as of Sep 24, 2026. The likely range is $467,113 to $509,341. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 S Mills St, Madison, WI last sell?

509 S Mills St, Madison, WI last sold on Apr 17, 2008 for $270,000, according to the county's recorded deed.

How big is 509 S Mills St, Madison, WI?

509 S Mills St, Madison, WI has 3 bedrooms, 1 bathrooms, 1,465 square feet of living space and a 0.09-acre lot.

When was 509 S Mills St, Madison, WI built?

509 S Mills St, Madison, WI was built in 1940, making it 86 years old. It is a cape cod home. The building has 2 stories.

What schools serve 509 S Mills St, Madison, WI?

509 S Mills St, Madison, WI is assigned to Franklin Elementary School (elementary); West High School (high), rated A; Velma Hamilton Middle School (middle), rated A-. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 S Mills St, Madison, WI compare to other homes in Madison 53715?

Among the 1,685 homes in Madison 53715, it is worth more than 57% of them ($488,227 against a typical $466,077), its price per square foot is higher than 54% of them ($333 against a typical $326), it is bigger than 44% of them (1,465 ft² against a typical 1,545 ft²), its lot is bigger than 24% of them (3,999 ft² against a typical 0.13 ac) and it is newer than 72% of them (1940 against a typical 1926). Measured against all of Dane County, it is worth more than 61% 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 S Mills St, Madison, WI?

The 2024 property tax bill for 509 S Mills St, Madison, WI was $8,584. The county assessed it at $489,600.

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Assigned schools

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