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Single Family ResidenceResidential
$234,802$248 / 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 $52,900 on May 1, 1987

4638 BONNER LN

MADISON, WI 53704
3
Beds
1
Baths
945 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.
1971
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$235K
$219K low$251K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$52,900 · May 1, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,707 (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.$285,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$85,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$200,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$285,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$285,800

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.1985
Lot (acres)The size of the land the home sits on, from county records.0.19
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
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Lindbergh Elementary SchoolD-
Elementary · Grades PK–5 · 0.2 mi
M
Black Hawk Middle SchoolD-
Middle · Grades 6–8 · 0.8 mi
H
East High SchoolD-
High · Grades 9–12 · 3.7 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

4638 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 93% of homes in Dane County
  • Smaller than 94% of homes in Dane County
  • Has a smaller lot than 72% of homes in Dane County
  • Newer than 65% of homes in Madison 53704

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
$185K$1.3M

This home is worth more than 9% 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$234,802
CheaperTypical $348,875Pricier

Pricier than 9% of homes nearby

Price per ft²$248
CheaperTypical $236Pricier

Pricier than 57% of homes nearby

Living area945 ft²
SmallerTypical 1,506 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.19 ac
SmallerTypical 0.19 acBigger

Bigger than 50% of homes nearby

Year built1971
OlderTypical 1960Newer

Newer than 65% of homes nearby

How 4638 Bonner Ln ranks against every home in each area.
MeasureThis homeMadison 53704Dane County
Estimated valuepricier than$234,8029% of homes7% of homes
Price per ft²pricier than$24857% of homes52% of homes
Living areabigger than945 ft²12% of homes6% of homes
Lot sizebigger than0.19 ac50% of homes28% of homes
Year builtnewer than197165% of homes45% of homes

About 4638 Bonner Ln

How much is 4638 Bonner Ln, Madison, WI worth?

The TopHap Estimate for 4638 Bonner Ln, Madison, WI is $234,802 as of Sep 24, 2026. The likely range is $218,680 to $250,924. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4638 Bonner Ln, Madison, WI last sell?

4638 Bonner Ln, Madison, WI last sold on May 1, 1987 for $52,900, according to the county's recorded deed.

How big is 4638 Bonner Ln, Madison, WI?

4638 Bonner Ln, Madison, WI has 3 bedrooms, 1 bathrooms, 945 square feet of living space and a 0.19-acre lot.

When was 4638 Bonner Ln, Madison, WI built?

4638 Bonner Ln, Madison, WI was built in 1971, making it 55 years old. It is a ranch home. The building has 1 story.

What schools serve 4638 Bonner Ln, Madison, WI?

4638 Bonner Ln, Madison, WI is assigned to Lindbergh Elementary School (elementary), rated D-; Black Hawk Middle School (middle), rated D-; East High School (high), rated D-. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4638 Bonner Ln, Madison, WI compare to other homes in Madison 53704?

Among the 15,796 homes in Madison 53704, it is worth more than 9% of them ($234,802 against a typical $348,875), its price per square foot is higher than 57% of them ($248 against a typical $236), it is bigger than 12% of them (945 ft² against a typical 1,506 ft²), its lot is bigger than 50% of them (0.19 ac against a typical 0.19 ac) and it is newer than 65% of them (1971 against a typical 1960). Measured against all of Dane County, it is worth more than 7% 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 4638 Bonner Ln, Madison, WI?

The 2024 property tax bill for 4638 Bonner Ln, Madison, WI was $4,707. The county assessed it at $285,800.

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