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Residential (General/Single)Residential
$249,016$208 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $125,000 on Dec 22, 2011

13821 W PROSPECT PL

NEW BERLIN, WI 53151
4
Beds
1
Baths
1,200 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
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.

Valuation

$249K
$237K low$261K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Dec 22, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,407 (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.$197,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$145,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$222,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyWAUKESHA
Lot (acres)The size of the land the home sits on, from county records.0.21
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.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

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
Orchard Lane Elementary SchoolA
Elementary · Grades PK–6 · 0.5 mi
M
New Berlin West Middle/HighA
Middle · Grades 7–12 · 3.5 mi

District: New Berlin School District

Neighborhood · ZIP 53151These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
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.33,202
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,856 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,242
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,485
Average tempThe average temperature here across a full year.47°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

13821 W Prospect Pl 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 95% of homes in New Berlin 53151
  • Costs less per square foot than 77% of homes in Waukesha County
  • Smaller than 88% of homes in New Berlin 53151
  • Has a smaller lot than 97% of homes in New Berlin 53151
  • Older than 84% of homes in New Berlin 53151

What homes are worth in New Berlin 53151

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

This home
$198K$833K

This home is worth more than 5% of homes in New Berlin 53151.

How it measures up in New Berlin 53151

The dot is this home. The mark in the middle is the typical home in New Berlin 53151.

Estimated value$249,016
CheaperTypical $397,965Pricier

Pricier than 5% of homes nearby

Price per ft²$208
CheaperTypical $229Pricier

Pricier than 27% of homes nearby

Living area1,200 ft²
SmallerTypical 1,752 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.21 ac
SmallerTypical 0.46 acBigger

Bigger than 3% of homes nearby

Year built1956
OlderTypical 1977Newer

Newer than 16% of homes nearby

How 13821 W Prospect Pl ranks against every home in each area.
MeasureThis homeNew Berlin 53151Waukesha County
Estimated valuepricier than$249,0165% of homes5% of homes
Price per ft²pricier than$20827% of homes23% of homes
Living areabigger than1,200 ft²12% of homes14% of homes
Lot sizebigger than0.21 ac3% of homes11% of homes
Year builtnewer than195616% of homes21% of homes

About 13821 W Prospect Pl

How much is 13821 W Prospect Pl, New Berlin, WI worth?

The TopHap Estimate for 13821 W Prospect Pl, New Berlin, WI is $249,016 as of Jul 14, 2026. The likely range is $236,567 to $261,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 13821 W Prospect Pl, New Berlin, WI last sell?

13821 W Prospect Pl, New Berlin, WI last sold on Dec 22, 2011 for $125,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 13821 W Prospect Pl, New Berlin, WI?

13821 W Prospect Pl, New Berlin, WI has 4 bedrooms, 1 bathrooms, 1,200 square feet of living space and a 0.21-acre lot.

When was 13821 W Prospect Pl, New Berlin, WI built?

13821 W Prospect Pl, New Berlin, WI was built in 1956, making it 70 years old. It is a cape cod home. The building has 1 story.

What schools serve 13821 W Prospect Pl, New Berlin, WI?

13821 W Prospect Pl, New Berlin, WI is assigned to Orchard Lane Elementary School (elementary), rated A; New Berlin West Middle/High (middle), rated A. All sit in New Berlin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 13821 W Prospect Pl, New Berlin, WI compare to other homes in New Berlin 53151?

Among the 11,204 homes in New Berlin 53151, it is worth more than 5% of them ($249,016 against a typical $397,965), its price per square foot is higher than 27% of them ($208 against a typical $229), it is bigger than 12% of them (1,200 ft² against a typical 1,752 ft²), its lot is bigger than 3% of them (0.21 ac against a typical 0.46 ac) and it is newer than 16% of them (1956 against a typical 1977). Measured against all of Waukesha County, it is worth more than 5% 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 13821 W Prospect Pl, New Berlin, WI?

The 2025 property tax bill for 13821 W Prospect Pl, New Berlin, WI was $2,407. The county assessed it at $197,100.

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