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Single Family ResidenceResidential
$442,839$226 / 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 Aug 30, 2026

4840 SUMAC LN

GREENDALE, WI 53129
3
Beds
2
Baths
1,963 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
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

$443K
$406K low$479K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,736 (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.$420,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$347,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$487,500

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.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
54
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
66
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.
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
CountyMILWAUKEE
Lot (acres)The size of the land the home sits on, from county records.0.29
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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

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
College Park Elementary SchoolA-
Elementary · Grades KG–5 · 0.6 mi
H
Greendale High SchoolB+
High · Grades 9–12 · 1.3 mi
M
Greendale Middle SchoolA-
Middle · Grades 6–8 · 1.4 mi

District: Greendale School District

Neighborhood · ZIP 53129These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.14,047
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,699 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$95,840
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$107,266
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

4840 Sumac Ln 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 83% of homes in Milwaukee County
  • Bigger than 74% of homes in Milwaukee County
  • Has a bigger lot than 85% of homes in Milwaukee County
  • Newer than 81% of homes in Milwaukee County

What homes are worth in Greendale 53129

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

This home
$241K$693K

This home is worth more than 77% of homes in Greendale 53129.

How it measures up in Greendale 53129

The dot is this home. The mark in the middle is the typical home in Greendale 53129.

Estimated value$442,839
CheaperTypical $370,313Pricier

Pricier than 77% of homes nearby

Price per ft²$226
CheaperTypical $234Pricier

Pricier than 41% of homes nearby

Living area1,963 ft²
SmallerTypical 1,590 ft²Bigger

Bigger than 68% of homes nearby

Lot size0.29 ac
SmallerTypical 0.25 acBigger

Bigger than 68% of homes nearby

Year built1967
OlderTypical 1964Newer

Newer than 67% of homes nearby

How 4840 Sumac Ln ranks against every home in each area.
MeasureThis homeGreendale 53129Milwaukee County
Estimated valuepricier than$442,83977% of homes83% of homes
Price per ft²pricier than$22641% of homes62% of homes
Living areabigger than1,963 ft²68% of homes74% of homes
Lot sizebigger than0.29 ac68% of homes85% of homes
Year builtnewer than196767% of homes81% of homes

About 4840 Sumac Ln

How much is 4840 Sumac Ln, Greendale, WI worth?

The TopHap Estimate for 4840 Sumac Ln, Greendale, WI is $442,839 as of Aug 30, 2026. The likely range is $406,292 to $479,386. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4840 Sumac Ln, Greendale, WI last sell?

4840 Sumac Ln, Greendale, WI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4840 Sumac Ln, Greendale, WI?

4840 Sumac Ln, Greendale, WI has 3 bedrooms, 2 bathrooms, 1,963 square feet of living space and a 0.29-acre lot.

When was 4840 Sumac Ln, Greendale, WI built?

4840 Sumac Ln, Greendale, WI was built in 1967, making it 59 years old. The building has 1 story.

What schools serve 4840 Sumac Ln, Greendale, WI?

4840 Sumac Ln, Greendale, WI is assigned to College Park Elementary School (elementary), rated A-; Greendale High School (high), rated B+; Greendale Middle School (middle), rated A-. All sit in Greendale School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4840 Sumac Ln, Greendale, WI compare to other homes in Greendale 53129?

Among the 4,467 homes in Greendale 53129, it is worth more than 77% of them ($442,839 against a typical $370,313), its price per square foot is higher than 41% of them ($226 against a typical $234), it is bigger than 68% of them (1,963 ft² against a typical 1,590 ft²), its lot is bigger than 68% of them (0.29 ac against a typical 0.25 ac) and it is newer than 67% of them (1967 against a typical 1964). Measured against all of Milwaukee County, it is worth more than 83% 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 4840 Sumac Ln, Greendale, WI?

The 2025 property tax bill for 4840 Sumac Ln, Greendale, WI was $3,736. The county assessed it at $420,700.

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