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Single Family ResidenceResidential
$401,519$173 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

21 AMMERMAN CIR

MADISON, WI 53716
3
Beds
2
Baths
2,326 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
9
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

$402K
$379K low$424K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,837 (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.$406,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$92,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$313,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$406,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$406,100

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.1988
Lot (acres)The size of the land the home sits on, from county records.0.43
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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 · 461 ft²Patio · 120 ft²

Transaction History(2)

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
Elvehjem Elementary SchoolB
Elementary · Grades PK–5 · 0.4 mi
H
LaFollette High SchoolB-
High · Grades 9–12 · 2.0 mi
M
Sennett Middle SchoolC+
Middle · Grades 6–8 · 2.1 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53716These 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.95
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.19,485
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,675 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,283
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,524
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

21 Ammerman Cir 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 80% of homes in Elvehjem
  • Costs less per square foot than 90% of homes in Madison 53716
  • Bigger than 88% of homes in Madison 53716
  • Has a bigger lot than 97% of homes in Elvehjem
  • Newer than 78% of homes in Madison 53716

What homes are worth in Madison 53716

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

This home
$211K$1.2M

This home is worth more than 64% of homes in Madison 53716.

How it measures up in Madison 53716

The dot is this home. The mark in the middle is the typical home in Madison 53716.

Estimated value$401,519
CheaperTypical $365,638Pricier

Pricier than 64% of homes nearby

Price per ft²$173
CheaperTypical $236Pricier

Pricier than 10% of homes nearby

Living area2,326 ft²
SmallerTypical 1,597 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.43 ac
SmallerTypical 0.24 acBigger

Bigger than 92% of homes nearby

Year built1977
OlderTypical 1959Newer

Newer than 78% of homes nearby

How 21 Ammerman Cir ranks against every home in each area.
MeasureThis homeElvehjemMadison 53716Dane County
Estimated valuepricier than$401,51980% of homes64% of homes46% of homes
Price per ft²pricier than$17312% of homes10% of homes17% of homes
Living areabigger than2,326 ft²87% of homes88% of homes79% of homes
Lot sizebigger than0.43 ac97% of homes92% of homes77% of homes
Year builtnewer than197776% of homes78% of homes51% of homes

About 21 Ammerman Cir

How much is 21 Ammerman Cir, Madison, WI worth?

The TopHap Estimate for 21 Ammerman Cir, Madison, WI is $401,519 as of Aug 30, 2026. The likely range is $379,211 to $423,827. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Ammerman Cir, Madison, WI?

21 Ammerman Cir, Madison, WI has 3 bedrooms, 2 bathrooms, 2,326 square feet of living space and a 0.43-acre lot.

When was 21 Ammerman Cir, Madison, WI built?

21 Ammerman Cir, Madison, WI was built in 1977, making it 49 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Ammerman Cir, Madison, WI?

21 Ammerman Cir, Madison, WI is assigned to Elvehjem Elementary School (elementary), rated B; LaFollette High School (high), rated B-; Sennett Middle School (middle), rated C+. All sit in Madison Metropolitan School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Ammerman Cir, Madison, WI compare to other homes in Madison 53716?

Among the 6,746 homes in Madison 53716, it is worth more than 64% of them ($401,519 against a typical $365,638), its price per square foot is higher than 10% of them ($173 against a typical $236), it is bigger than 88% of them (2,326 ft² against a typical 1,597 ft²), its lot is bigger than 92% of them (0.43 ac against a typical 0.24 ac) and it is newer than 78% of them (1977 against a typical 1959). Measured against all of Dane County, it is worth more than 46% 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 21 Ammerman Cir, Madison, WI?

The 2024 property tax bill for 21 Ammerman Cir, Madison, WI was $6,837. The county assessed it at $406,100.

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