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Single Family ResidenceResidential
$620,580$220 / 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 90How 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 $128,000 on Dec 1, 2002

4321 WESTPORT RD

MADISON, WI 53704
4
Beds
4 / 1
Baths
2,816 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.
1.76 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
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

$621K
$561K low$681K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$128,000 · Dec 1, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,487 (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.$612,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$195,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$416,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$612,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$612,300

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.Modern
CountyDane
Lot (acres)The size of the land the home sits on, from county records.1.75
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, 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 · 196 ft²Patio · 138 ft²Porch · 90 ft²

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

E
Mendota Elementary SchoolD-
Elementary · Grades PK–5 · 0.7 mi
M
Black Hawk Middle SchoolD-
Middle · Grades 6–8 · 1.3 mi
H
East High SchoolD-
High · Grades 9–12 · 3.8 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

4321 Westport Rd 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 92% of homes in Madison 53704
  • Costs less per square foot than 67% of homes in Dane County
  • Bigger than 94% of homes in Madison 53704
  • Among the largest lots in North Lake Mendota
  • Newer than 97% of homes in North Lake Mendota

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
$178K$1.3M

This home is worth more than 92% 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$620,580
CheaperTypical $348,801Pricier

Pricier than 92% of homes nearby

Price per ft²$220
CheaperTypical $236Pricier

Pricier than 38% of homes nearby

Living area2,816 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 94% of homes nearby

Lot size1.76 ac
SmallerTypical 0.19 acBigger

Bigger than 95% of homes nearby

Year built2003
OlderTypical 1960Newer

Newer than 96% of homes nearby

How 4321 Westport Rd ranks against every home in each area.
MeasureThis homeNorth Lake MendotaMadison 53704Dane County
Estimated valuepricier than$620,58086% of homes92% of homes80% of homes
Price per ft²pricier than$22049% of homes38% of homes33% of homes
Living areabigger than2,816 ft²89% of homes94% of homes89% of homes
Lot sizebigger than1.76 acalmost all homes95% of homes92% of homes
Year builtnewer than200397% of homes96% of homes85% of homes

About 4321 Westport Rd

How much is 4321 Westport Rd, Madison, WI worth?

The TopHap Estimate for 4321 Westport Rd, Madison, WI is $620,580 as of Sep 24, 2026. The likely range is $560,537 to $680,623. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4321 Westport Rd, Madison, WI last sell?

4321 Westport Rd, Madison, WI last sold on Dec 1, 2002 for $128,000, according to the county's recorded deed.

How big is 4321 Westport Rd, Madison, WI?

4321 Westport Rd, Madison, WI has 4 bedrooms, 4 bathrooms, 2,816 square feet of living space and a 1.75-acre lot.

When was 4321 Westport Rd, Madison, WI built?

4321 Westport Rd, Madison, WI was built in 2003, making it 23 years old. It is a modern home. The building has 2 stories.

What schools serve 4321 Westport Rd, Madison, WI?

4321 Westport Rd, Madison, WI is assigned to Mendota 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 4321 Westport Rd, Madison, WI compare to other homes in Madison 53704?

Among the 15,794 homes in Madison 53704, it is worth more than 92% of them ($620,580 against a typical $348,801), its price per square foot is higher than 38% of them ($220 against a typical $236), it is bigger than 94% of them (2,816 ft² against a typical 1,500 ft²), its lot is bigger than 95% of them (1.76 ac against a typical 0.19 ac) and it is newer than 96% of them (2003 against a typical 1960). Measured against all of Dane County, it is worth more than 80% 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 4321 Westport Rd, Madison, WI?

The 2024 property tax bill for 4321 Westport Rd, Madison, WI was $10,487. The county assessed it at $612,300.

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