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Single Family ResidenceResidential
$221,131
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 76How 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 $112,900 on Jan 28, 2000

340 KNOWLTON ST

WATERLOO, WI 53594
0
Baths
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$221K
$168K low$274K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$112,900 · Jan 28, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,287 (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.$179,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$38,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$140,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$179,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$198,000

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.0.21
HeatingThe type of heating system in the home.None

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.

E
Waterloo Elementary SchoolC-
Elementary · Grades PK–4 · 0.9 mi
H
Waterloo High SchoolB+
High · Grades 9–12 · 1.0 mi
M
Waterloo Middle SchoolB-
Middle · Grades 7–8 · 1.0 mi

District: Waterloo School District

Neighborhood · ZIP 53594These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.6,355
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.91 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,891
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$94,481
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

340 Knowlton 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 less than 88% of homes in Waterloo 53594
  • Has a smaller lot than 87% of homes in Waterloo 53594

What homes are worth in Waterloo 53594

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

This home
$124K$782K

This home is worth more than 12% of homes in Waterloo 53594.

How it measures up in Waterloo 53594

The dot is this home. The mark in the middle is the typical home in Waterloo 53594.

Estimated value$221,131
CheaperTypical $323,768Pricier

Pricier than 12% of homes nearby

Lot size0.21 ac
SmallerTypical 0.38 acBigger

Bigger than 13% of homes nearby

How 340 Knowlton St ranks against every home in each area.
MeasureThis homeWaterloo 53594Jefferson County
Estimated valuepricier than$221,13112% of homes12% of homes
Lot sizebigger than0.21 ac13% of homes25% of homes

About 340 Knowlton St

How much is 340 Knowlton St, Waterloo, WI worth?

The TopHap Estimate for 340 Knowlton St, Waterloo, WI is $221,131 as of Sep 24, 2026. The likely range is $168,333 to $273,929. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Knowlton St, Waterloo, WI last sell?

340 Knowlton St, Waterloo, WI last sold on Jan 28, 2000 for $112,900, according to the county's recorded deed.

What schools serve 340 Knowlton St, Waterloo, WI?

340 Knowlton St, Waterloo, WI is assigned to Waterloo Elementary School (elementary), rated C-; Waterloo High School (high), rated B+; Waterloo Middle School (middle), rated B-. All sit in Waterloo School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Knowlton St, Waterloo, WI compare to other homes in Waterloo 53594?

Among the 1,671 homes in Waterloo 53594, it is worth more than 12% of them ($221,131 against a typical $323,768) and its lot is bigger than 13% of them (0.21 ac against a typical 0.38 ac). Measured against all of Jefferson County, it is worth more than 12% 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 340 Knowlton St, Waterloo, WI?

The 2025 property tax bill for 340 Knowlton St, Waterloo, WI was $3,287. The county assessed it at $179,400.

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Assigned schools

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