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Single Family ResidenceResidential
$390,805$263 / 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

6635 S 121ST ST

FRANKLIN, WI 53132
3
Beds
1.5
Baths
1,488 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
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

$391K
$358K low$424K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,796 (2025)
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$341,600

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.35
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
12
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyMILWAUKEE
Lot (acres)The size of the land the home sits on, from county records.0.50
HeatingThe type of heating system in the home.Yes
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

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

E
Hales Corners Elementary SchoolA
Elementary · Grades KG–5 · 1.1 mi
M
Whitnall Middle SchoolB+
Middle · Grades 6–8 · 1.9 mi
H
Whitnall High SchoolB
High · Grades 9–12 · 2.1 mi

District: Whitnall School District

Neighborhood · ZIP 53132These 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.41
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.5.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.36,205
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,040 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$99,913
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$126,619
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

6635 S 121st St 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 75% of homes in Milwaukee County
  • Costs more per square foot than 79% of homes in Milwaukee County
  • Smaller than 77% of homes in Franklin 53132
  • Has a bigger lot than 94% of homes in Milwaukee County
  • Newer than 88% of homes in Milwaukee County

What homes are worth in Franklin 53132

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

This home
$213K$930K

This home is worth more than 34% of homes in Franklin 53132.

How it measures up in Franklin 53132

The dot is this home. The mark in the middle is the typical home in Franklin 53132.

Estimated value$390,805
CheaperTypical $444,192Pricier

Pricier than 34% of homes nearby

Price per ft²$263
CheaperTypical $230Pricier

Pricier than 76% of homes nearby

Living area1,488 ft²
SmallerTypical 1,892 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.5 ac
SmallerTypical 0.34 acBigger

Bigger than 72% of homes nearby

Year built1976
OlderTypical 1991Newer

Newer than 27% of homes nearby

How 6635 S 121st St ranks against every home in each area.
MeasureThis homeFranklin 53132Milwaukee County
Estimated valuepricier than$390,80534% of homes75% of homes
Price per ft²pricier than$26376% of homes79% of homes
Living areabigger than1,488 ft²23% of homes51% of homes
Lot sizebigger than0.5 ac72% of homes94% of homes
Year builtnewer than197627% of homes88% of homes

About 6635 S 121st St

How much is 6635 S 121st St, Franklin, WI worth?

The TopHap Estimate for 6635 S 121st St, Franklin, WI is $390,805 as of Sep 24, 2026. The likely range is $358,051 to $423,559. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6635 S 121st St, Franklin, WI last sell?

6635 S 121st St, Franklin, WI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 6635 S 121st St, Franklin, WI?

6635 S 121st St, Franklin, WI has 3 bedrooms, 1.5 bathrooms, 1,488 square feet of living space and a 0.50-acre lot.

When was 6635 S 121st St, Franklin, WI built?

6635 S 121st St, Franklin, WI was built in 1976, making it 50 years old. It is a ranch home. The building has 1 story.

What schools serve 6635 S 121st St, Franklin, WI?

6635 S 121st St, Franklin, WI is assigned to Hales Corners Elementary School (elementary), rated A; Whitnall Middle School (middle), rated B+; Whitnall High School (high), rated B. All sit in Whitnall School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6635 S 121st St, Franklin, WI compare to other homes in Franklin 53132?

Among the 12,394 homes in Franklin 53132, it is worth more than 34% of them ($390,805 against a typical $444,192), its price per square foot is higher than 76% of them ($263 against a typical $230), it is bigger than 23% of them (1,488 ft² against a typical 1,892 ft²), its lot is bigger than 72% of them (0.5 ac against a typical 0.34 ac) and it is newer than 27% of them (1976 against a typical 1991). Measured against all of Milwaukee County, it is worth more than 75% 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 6635 S 121st St, Franklin, WI?

The 2025 property tax bill for 6635 S 121st St, Franklin, WI was $2,796.

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