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Single Family ResidenceResidential
$500,919$296 / 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 91How 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 $152,500 on Jun 1, 1998

509 W OLIN AVE

MADISON, WI 53715
2
Beds
1
Baths
1,690 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1904
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$501K
$455K low$547K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$152,500 · Jun 1, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,074 (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.$419,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$110,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$309,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$419,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$419,500

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.Traditional/Old
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.1962
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Block (Unspecified)
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
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 140 ft²Patio · 140 ft²Porch · 197 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
Franklin Elementary School
Elementary · Grades PK–2 · 0.2 mi
H
West High SchoolD+
High · Grades 9–12 · 2.1 mi
M
Velma Hamilton Middle SchoolA
Middle · Grades 6–8 · 3.5 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 W Olin Ave 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 71% of homes in Dane County
  • Has a smaller lot than 82% of homes in Dane County
  • Older than 96% 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
$237K$979K

This home is worth more than 62% 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$500,919
CheaperTypical $466,077Pricier

Pricier than 62% of homes nearby

Price per ft²$296
CheaperTypical $326Pricier

Pricier than 33% of homes nearby

Living area1,690 ft²
SmallerTypical 1,550 ft²Bigger

Bigger than 60% of homes nearby

Lot size0.15 ac
SmallerTypical 0.13 acBigger

Bigger than 70% of homes nearby

Year built1904
OlderTypical 1927Newer

Newer than 13% of homes nearby

How 509 W Olin Ave ranks against every home in each area.
MeasureThis homeBay CreekMadison 53715Dane County
Estimated valuepricier than$500,91962% of homes62% of homes64% of homes
Price per ft²pricier than$29633% of homes33% of homes71% of homes
Living areabigger than1,690 ft²64% of homes60% of homes50% of homes
Lot sizebigger than0.15 ac51% of homes70% of homes18% of homes
Year builtnewer than190410% of homes13% of homes4% of homes

About 509 W Olin Ave

How much is 509 W Olin Ave, Madison, WI worth?

The TopHap Estimate for 509 W Olin Ave, Madison, WI is $500,919 as of Sep 24, 2026. The likely range is $454,993 to $546,845. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 W Olin Ave, Madison, WI last sell?

509 W Olin Ave, Madison, WI last sold on Jun 1, 1998 for $152,500, according to the county's recorded deed.

How big is 509 W Olin Ave, Madison, WI?

509 W Olin Ave, Madison, WI has 2 bedrooms, 1 bathrooms, 1,690 square feet of living space and a 0.15-acre lot.

When was 509 W Olin Ave, Madison, WI built?

509 W Olin Ave, Madison, WI was built in 1904, making it 122 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 509 W Olin Ave, Madison, WI?

509 W Olin Ave, Madison, WI is assigned to Franklin Elementary School (elementary); West High School (high), rated D+; 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 W Olin Ave, Madison, WI compare to other homes in Madison 53715?

Among the 1,684 homes in Madison 53715, it is worth more than 62% of them ($500,919 against a typical $466,077), its price per square foot is higher than 33% of them ($296 against a typical $326), it is bigger than 60% of them (1,690 ft² against a typical 1,550 ft²), its lot is bigger than 70% of them (0.15 ac against a typical 0.13 ac) and it is newer than 13% of them (1904 against a typical 1927). Measured against all of Dane County, it is worth more than 64% 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 W Olin Ave, Madison, WI?

The 2024 property tax bill for 509 W Olin Ave, Madison, WI was $7,074. The county assessed it at $419,500.

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