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Single Family ResidenceResidential
$369,345$121 / 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 92How 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 $147,500 on Jul 7, 1998

308 E ROBERTA AVE

WAUKESHA, WI 53186
4
Beds
2
Baths
3,051 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
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

$369K
$340K low$399K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$147,500 · Jul 7, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,220 (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.$390,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$349,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$376,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$400,698

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
55
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
62
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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
CountyWAUKESHA
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.1997
Lot (acres)The size of the land the home sits on, from county records.0.26
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Highway
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 80 ft²Patio · 80 ft²Porch · 63 ft²

Transaction History(1)

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.

H
South High SchoolD
High · Grades 9–12 · 0.1 mi
E
Hadfield Elementary SchoolD-
Elementary · Grades PK–5 · 1.1 mi
M
Horning Middle SchoolD
Middle · Grades 6–8 · 2.6 mi

District: Waukesha School District

Neighborhood · ZIP 53186These 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.116
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 100.23

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
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.32,219
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,550 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,204
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,939
Average tempThe average temperature here across a full year.47°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

308 E Roberta 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 77% of homes in Waukesha County
  • Among the lowest price per square foot in Waukesha County
  • Bigger than 97% of homes in Waukesha 53186
  • Has a smaller lot than 81% of homes in Waukesha County

What homes are worth in Waukesha 53186

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

This home
$163K$604K

This home is worth more than 61% of homes in Waukesha 53186.

How it measures up in Waukesha 53186

The dot is this home. The mark in the middle is the typical home in Waukesha 53186.

Estimated value$369,345
CheaperTypical $331,190Pricier

Pricier than 61% of homes nearby

Price per ft²$121
CheaperTypical $201Pricier

Pricier than 3% of homes nearby

Living area3,051 ft²
SmallerTypical 1,515 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.26 ac
SmallerTypical 0.26 acBigger

Bigger than 51% of homes nearby

Year built1965
OlderTypical 1959Newer

Newer than 58% of homes nearby

How 308 E Roberta Ave ranks against every home in each area.
MeasureThis homeWaukesha 53186Waukesha County
Estimated valuepricier than$369,34561% of homes23% of homes
Price per ft²pricier than$1213% of homesalmost no homes
Living areabigger than3,051 ft²97% of homes90% of homes
Lot sizebigger than0.26 ac51% of homes19% of homes
Year builtnewer than196558% of homes37% of homes

About 308 E Roberta Ave

How much is 308 E Roberta Ave, Waukesha, WI worth?

The TopHap Estimate for 308 E Roberta Ave, Waukesha, WI is $369,345 as of Sep 24, 2026. The likely range is $339,901 to $398,789. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 308 E Roberta Ave, Waukesha, WI last sell?

308 E Roberta Ave, Waukesha, WI last sold on Jul 7, 1998 for $147,500, according to the county's recorded deed.

How big is 308 E Roberta Ave, Waukesha, WI?

308 E Roberta Ave, Waukesha, WI has 4 bedrooms, 2 bathrooms, 3,051 square feet of living space and a 0.26-acre lot.

When was 308 E Roberta Ave, Waukesha, WI built?

308 E Roberta Ave, Waukesha, WI was built in 1965, making it 61 years old. It is a ranch home. The building has 1 story.

What schools serve 308 E Roberta Ave, Waukesha, WI?

308 E Roberta Ave, Waukesha, WI is assigned to South High School (high), rated D; Hadfield Elementary School (elementary), rated D-; Horning Middle School (middle), rated D. All sit in Waukesha School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 308 E Roberta Ave, Waukesha, WI compare to other homes in Waukesha 53186?

Among the 9,334 homes in Waukesha 53186, it is worth more than 61% of them ($369,345 against a typical $331,190), its price per square foot is higher than 3% of them ($121 against a typical $201), it is bigger than 97% of them (3,051 ft² against a typical 1,515 ft²), its lot is bigger than 51% of them (0.26 ac against a typical 0.26 ac) and it is newer than 58% of them (1965 against a typical 1959). Measured against all of Waukesha County, it is worth more than 23% 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 308 E Roberta Ave, Waukesha, WI?

The 2025 property tax bill for 308 E Roberta Ave, Waukesha, WI was $5,220. The county assessed it at $390,400.

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