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Single Family ResidenceResidential
$331,915$247 / 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 Aug 30, 2026
Last sold for $262,000 on Aug 20, 2020

3945 MAMMOTH TRL

MADISON, WI 53719
4
Beds
3 / 1
Baths
1,346 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.
2
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

$332K
$308K low$356K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$262,000 · Aug 20, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,718 (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.$342,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$111,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$231,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$342,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$342,900

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.Colonial
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.2008
Lot (acres)The size of the land the home sits on, from county records.0.11
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
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 · 144 ft²Patio · 144 ft²Porch · 144 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.

Foreclosure Filings(2)

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

E
Chávez Elementary SchoolB-
Elementary · Grades PK–5 · 0.6 mi
M
Toki Middle SchoolC+
Middle · Grades 6–8 · 2.7 mi
H
Vel Phillips Memorial High SchoolA
High · Grades 9–12 · 4.3 mi

District: Madison Metropolitan School District

Neighborhood · ZIP 53719These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.23

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.39%
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.0.9%
PopulationHow many people live in this area.34,153
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,284 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,708
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,747
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

3945 Mammoth Trl 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 71% of homes in Dane County
  • Costs more per square foot than 89% of homes in Madison 53719
  • Smaller than 78% of homes in Madison 53719
  • Has a smaller lot than 96% of homes in Madison 53719
  • Newer than 91% of homes in Madison 53719

What homes are worth in Madison 53719

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

This home
$104K$762K

This home is worth more than 41% of homes in Madison 53719.

How it measures up in Madison 53719

The dot is this home. The mark in the middle is the typical home in Madison 53719.

Estimated value$331,915
CheaperTypical $364,957Pricier

Pricier than 41% of homes nearby

Price per ft²$247
CheaperTypical $189Pricier

Pricier than 89% of homes nearby

Living area1,346 ft²
SmallerTypical 1,819 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.11 ac
SmallerTypical 0.22 acBigger

Bigger than 4% of homes nearby

Year built2005
OlderTypical 1998Newer

Newer than 91% of homes nearby

How 3945 Mammoth Trl ranks against every home in each area.
MeasureThis homeMadison 53719Dane County
Estimated valuepricier than$331,91541% of homes29% of homes
Price per ft²pricier than$24789% of homes59% of homes
Living areabigger than1,346 ft²22% of homes27% of homes
Lot sizebigger than0.11 ac4% of homes9% of homes
Year builtnewer than200591% of homes90% of homes

About 3945 Mammoth Trl

How much is 3945 Mammoth Trl, Madison, WI worth?

The TopHap Estimate for 3945 Mammoth Trl, Madison, WI is $331,915 as of Aug 30, 2026. The likely range is $307,757 to $356,073. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3945 Mammoth Trl, Madison, WI last sell?

3945 Mammoth Trl, Madison, WI last sold on Aug 20, 2020 for $262,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3945 Mammoth Trl, Madison, WI?

3945 Mammoth Trl, Madison, WI has 4 bedrooms, 3 bathrooms, 1,346 square feet of living space and a 0.11-acre lot.

When was 3945 Mammoth Trl, Madison, WI built?

3945 Mammoth Trl, Madison, WI was built in 2005, making it 21 years old. It is a colonial home. The building has 2 stories.

What schools serve 3945 Mammoth Trl, Madison, WI?

3945 Mammoth Trl, Madison, WI is assigned to Chávez Elementary School (elementary), rated B-; Toki Middle School (middle), rated C+; Vel Phillips Memorial 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 3945 Mammoth Trl, Madison, WI compare to other homes in Madison 53719?

Among the 9,011 homes in Madison 53719, it is worth more than 41% of them ($331,915 against a typical $364,957), its price per square foot is higher than 89% of them ($247 against a typical $189), it is bigger than 22% of them (1,346 ft² against a typical 1,819 ft²), its lot is bigger than 4% of them (0.11 ac against a typical 0.22 ac) and it is newer than 91% of them (2005 against a typical 1998). Measured against all of Dane County, it is worth more than 29% 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 3945 Mammoth Trl, Madison, WI?

The 2024 property tax bill for 3945 Mammoth Trl, Madison, WI was $5,718. The county assessed it at $342,900.

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