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Residential (General/Single)Residential
$351,350$289 / 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 Sep 24, 2026
Last sold for $325,000 on Jun 12, 2025

17150 W NATIONAL AVE

NEW BERLIN, WI 53151
2
Beds
1
Baths
1,215 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$351K
$335K low$368K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · Jun 12, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,311 (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.$270,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$67,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$203,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,100

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.Ranch
CountyWAUKESHA
Lot (acres)The size of the land the home sits on, from county records.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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

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
Ronald Reagan Elementary SchoolA+
Elementary · Grades PK–6 · 0.2 mi
M
New Berlin West Middle/HighA
Middle · Grades 7–12 · 1.9 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

17150 W National Ave 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 81% of homes in Waukesha County
  • Costs more per square foot than 90% of homes in New Berlin 53151
  • Smaller than 87% of homes in New Berlin 53151
  • Has a smaller lot than 88% of homes in New Berlin 53151
  • Older than 86% 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
$202K$836K

This home is worth more than 26% 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$351,350
CheaperTypical $418,253Pricier

Pricier than 26% of homes nearby

Price per ft²$289
CheaperTypical $238Pricier

Pricier than 90% of homes nearby

Living area1,215 ft²
SmallerTypical 1,758 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.24 ac
SmallerTypical 0.47 acBigger

Bigger than 12% of homes nearby

Year built1955
OlderTypical 1977Newer

Newer than 14% of homes nearby

How 17150 W National Ave ranks against every home in each area.
MeasureThis homeNew Berlin 53151Waukesha County
Estimated valuepricier than$351,35026% of homes19% of homes
Price per ft²pricier than$28990% of homes77% of homes
Living areabigger than1,215 ft²13% of homes15% of homes
Lot sizebigger than0.24 ac12% of homes14% of homes
Year builtnewer than195514% of homes19% of homes

About 17150 W National Ave

How much is 17150 W National Ave, New Berlin, WI worth?

The TopHap Estimate for 17150 W National Ave, New Berlin, WI is $351,350 as of Sep 24, 2026. The likely range is $334,961 to $367,739. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17150 W National Ave, New Berlin, WI last sell?

17150 W National Ave, New Berlin, WI last sold on Jun 12, 2025 for $325,000, according to the county's recorded deed.

How big is 17150 W National Ave, New Berlin, WI?

17150 W National Ave, New Berlin, WI has 2 bedrooms, 1 bathrooms, 1,215 square feet of living space and a 0.24-acre lot.

When was 17150 W National Ave, New Berlin, WI built?

17150 W National Ave, New Berlin, WI was built in 1955, making it 71 years old. It is a ranch home. The building has 1 story.

What schools serve 17150 W National Ave, New Berlin, WI?

17150 W National Ave, New Berlin, WI is assigned to Ronald Reagan 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 17150 W National Ave, 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 26% of them ($351,350 against a typical $418,253), its price per square foot is higher than 90% of them ($289 against a typical $238), it is bigger than 13% of them (1,215 ft² against a typical 1,758 ft²), its lot is bigger than 12% of them (0.24 ac against a typical 0.47 ac) and it is newer than 14% of them (1955 against a typical 1977). Measured against all of Waukesha County, it is worth more than 19% 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 17150 W National Ave, New Berlin, WI?

The 2025 property tax bill for 17150 W National Ave, New Berlin, WI was $3,311. The county assessed it at $270,200.

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