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Single Family ResidenceResidential
$337,708$238 / 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 97How 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 $257,000 on Aug 16, 2021

4525 BONNER LN

MADISON, WI 53704
3
Beds
1
Baths
1,416 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
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

$338K
$328K low$347K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$257,000 · Aug 16, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,974 (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.$339,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$254,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$314,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$292,940

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
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.1978
Lot (acres)The size of the land the home sits on, from county records.0.19
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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
ViewThe type of view from the property, or another feature of the site that affects value.Traffic
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 100 ft²Porch · 144 ft²

Transaction History(5)

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
Lindbergh Elementary SchoolC-
Elementary · Grades PK–5 · 0.1 mi
M
Black Hawk Middle SchoolC-
Middle · Grades 6–8 · 0.8 mi
H
East High SchoolA-
High · Grades 9–12 · 3.6 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53704These 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.124
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 100.21

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.49,468
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,132 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,243
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,732
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.34 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

4525 Bonner Ln 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 76% of homes in Dane County
  • Smaller than 69% of homes in Dane County
  • Has a smaller lot than 73% of homes in Dane County
  • Older than 67% of homes in Dane County

What homes are worth in Madison 53704

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

This home
$179K$1.3M

This home is worth more than 44% of homes in Madison 53704.

How it measures up in Madison 53704

The dot is this home. The mark in the middle is the typical home in Madison 53704.

Estimated value$337,708
CheaperTypical $347,787Pricier

Pricier than 44% of homes nearby

Price per ft²$238
CheaperTypical $237Pricier

Pricier than 51% of homes nearby

Living area1,416 ft²
SmallerTypical 1,497 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 49% of homes nearby

Year built1960
OlderTypical 1960Newer

Newer than 51% of homes nearby

How 4525 Bonner Ln ranks against every home in each area.
MeasureThis homeMadison 53704Dane County
Estimated valuepricier than$337,70844% of homes24% of homes
Price per ft²pricier than$23851% of homes45% of homes
Living areabigger than1,416 ft²44% of homes31% of homes
Lot sizebigger than0.19 ac49% of homes27% of homes
Year builtnewer than196051% of homes33% of homes

About 4525 Bonner Ln

How much is 4525 Bonner Ln, Madison, WI worth?

The TopHap Estimate for 4525 Bonner Ln, Madison, WI is $337,708 as of Sep 24, 2026. The likely range is $328,197 to $347,219. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4525 Bonner Ln, Madison, WI last sell?

4525 Bonner Ln, Madison, WI last sold on Aug 16, 2021 for $257,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4525 Bonner Ln, Madison, WI?

4525 Bonner Ln, Madison, WI has 3 bedrooms, 1 bathrooms, 1,416 square feet of living space and a 0.19-acre lot.

When was 4525 Bonner Ln, Madison, WI built?

4525 Bonner Ln, Madison, WI was built in 1960, making it 66 years old. It is a ranch home. The building has 1 story.

What schools serve 4525 Bonner Ln, Madison, WI?

4525 Bonner Ln, Madison, WI is assigned to Lindbergh Elementary School (elementary), rated C-; Black Hawk Middle School (middle), rated C-; East High School (high), rated A-. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4525 Bonner Ln, Madison, WI compare to other homes in Madison 53704?

Among the 15,796 homes in Madison 53704, it is worth more than 44% of them ($337,708 against a typical $347,787), its price per square foot is higher than 51% of them ($238 against a typical $237), it is bigger than 44% of them (1,416 ft² against a typical 1,497 ft²), its lot is bigger than 49% of them (0.19 ac against a typical 0.19 ac) and it is newer than 51% of them (1960 against a typical 1960). Measured against all of Dane County, it is worth more than 24% 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 4525 Bonner Ln, Madison, WI?

The 2025 property tax bill for 4525 Bonner Ln, Madison, WI was $5,974. The county assessed it at $339,800.

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