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Single Family ResidenceResidential
$647,407
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 97How 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
Last sold for $645,000 on Jul 24, 2026

W136 KATHLEEN CT

SULLIVAN, WI 53178
0
Baths
1.15 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$647K
$630K low$665K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$645,000 · Jul 24, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,354 (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.$475,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$102,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$373,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$322,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$483,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyJEFFERSON
Lot (acres)The size of the land the home sits on, from county records.1.15
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.

M
Silver Lake Intermediate SchoolA-
Middle · Grades 5–8 · 5.3 mi
E
Summit Elementary SchoolA-
Elementary · Grades PK–4 · 6.2 mi
H
Oconomowoc High SchoolB-
High · Grades 9–12 · 6.5 mi

District: Oconomowoc Area School District

Neighborhood · ZIP 53178These 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.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.22%
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.0.9%
PopulationHow many people live in this area.2,546
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.76 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$93,270
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,618
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

W136 Kathleen Ct 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 95% of homes in Jefferson County
  • Has a bigger lot than 79% of homes in Jefferson County

What homes are worth in Sullivan 53178

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

This home
$102K$815K

This home is worth more than 92% of homes in Sullivan 53178.

How it measures up in Sullivan 53178

The dot is this home. The mark in the middle is the typical home in Sullivan 53178.

Estimated value$647,407
CheaperTypical $377,081Pricier

Pricier than 92% of homes nearby

Lot size1.15 ac
SmallerTypical 1.04 acBigger

Bigger than 53% of homes nearby

How W136 Kathleen Ct ranks against every home in each area.
MeasureThis homeSullivan 53178Jefferson County
Estimated valuepricier than$647,40792% of homes95% of homes
Lot sizebigger than1.15 ac53% of homes79% of homes

About W136 Kathleen Ct

How much is W136 Kathleen Ct, Sullivan, WI worth?

The TopHap Estimate for W136 Kathleen Ct, Sullivan, WI is $647,407 as of Aug 30, 2026. The likely range is $629,644 to $665,170. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did W136 Kathleen Ct, Sullivan, WI last sell?

W136 Kathleen Ct, Sullivan, WI last sold on Jul 24, 2026 for $645,000, according to the county's recorded deed.

What schools serve W136 Kathleen Ct, Sullivan, WI?

W136 Kathleen Ct, Sullivan, WI is assigned to Silver Lake Intermediate School (middle), rated A-; Summit Elementary School (elementary), rated A-; Oconomowoc High School (high), rated B-. All sit in Oconomowoc Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does W136 Kathleen Ct, Sullivan, WI compare to other homes in Sullivan 53178?

Among the 923 homes in Sullivan 53178, it is worth more than 92% of them ($647,407 against a typical $377,081) and its lot is bigger than 53% of them (1.15 ac against a typical 1.04 ac). Measured against all of Jefferson County, it is worth more than 95% 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 W136 Kathleen Ct, Sullivan, WI?

The 2025 property tax bill for W136 Kathleen Ct, Sullivan, WI was $5,354. The county assessed it at $475,300.

More homes on W136 Kathleen Ct

Closest homes

More homes in Sullivan 53178

Assigned schools

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