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Single Family ResidenceResidential
$91,496
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 68How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $90,000 on Jul 27, 2026

300 UNION ST

WATERTOWN, WI 53094
0
Baths
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$91K
$62K low$121K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$90,000 · Jul 27, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,766 (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.$107,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$54,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$107,800

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.0.31
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Lincoln Elementary SchoolB-
Elementary · Grades KG–5 · 0.2 mi
H
Watertown High SchoolD+
High · Grades 9–12 · 0.6 mi
M
Riverside Middle SchoolC-
Middle · Grades 6–8 · 1.6 mi

District: Watertown School District

Neighborhood · ZIP 53094These 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.91
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 100.22

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.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.19,781
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.219 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,044
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,401
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

300 Union 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.

  • Among the least valuable homes in Jefferson County

What homes are worth in Watertown 53094

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

This home
$31K$674K

This home is worth more than 5% of homes in Watertown 53094.

How it measures up in Watertown 53094

The dot is this home. The mark in the middle is the typical home in Watertown 53094.

Estimated value$91,496
CheaperTypical $313,116Pricier

Pricier than 5% of homes nearby

Lot size0.31 ac
SmallerTypical 0.25 acBigger

Bigger than 62% of homes nearby

How 300 Union St ranks against every home in each area.
MeasureThis homeWatertown 53094Jefferson County
Estimated valuepricier than$91,4965% of homesalmost no homes
Lot sizebigger than0.31 ac62% of homes46% of homes

About 300 Union St

How much is 300 Union St, Watertown, WI worth?

The TopHap Estimate for 300 Union St, Watertown, WI is $91,496 as of Oct 21, 2026. The likely range is $61,972 to $121,020. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 300 Union St, Watertown, WI last sell?

300 Union St, Watertown, WI last sold on Jul 27, 2026 for $90,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

What schools serve 300 Union St, Watertown, WI?

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

How does 300 Union St, Watertown, WI compare to other homes in Watertown 53094?

Among the 6,139 homes in Watertown 53094, it is worth more than 5% of them ($91,496 against a typical $313,116) and its lot is bigger than 62% of them (0.31 ac against a typical 0.25 ac). Measured against all of Jefferson County, it is worth more than almost no 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 300 Union St, Watertown, WI?

The 2025 property tax bill for 300 Union St, Watertown, WI was $1,766. The county assessed it at $107,600.

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Assigned schools

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