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Single Family ResidenceResidential
$228,670
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 90How 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 $127,500 on Aug 6, 2009

307 UNION ST

WATERTOWN, WI 53098
0
Baths
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$229K
$205K low$252K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$127,500 · Aug 6, 2009

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$128,700 (2023)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$87,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$128,700

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDodge
Lot (acres)The size of the land the home sits on, from county records.0.20
HeatingThe type of heating system in the home.None
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
Lincoln Elementary SchoolA-
Elementary · Grades KG–5 · 0.2 mi
H
Watertown High SchoolC-
High · Grades 9–12 · 0.6 mi
M
Riverside Middle SchoolC+
Middle · Grades 6–8 · 1.5 mi

District: Watertown School District

Neighborhood · ZIP 53098These 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.86
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 100.26

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.8%
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.12,078
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.116 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$70,845
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,169
Average tempThe average temperature here across a full year.46°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

307 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.

  • Worth less than 76% of homes in Watertown 53098
  • Has a smaller lot than 81% of homes in Dodge County

What homes are worth in Watertown 53098

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

This home
$89K$729K

This home is worth more than 24% of homes in Watertown 53098.

How it measures up in Watertown 53098

The dot is this home. The mark in the middle is the typical home in Watertown 53098.

Estimated value$228,670
CheaperTypical $299,828Pricier

Pricier than 24% of homes nearby

Lot size0.2 ac
SmallerTypical 0.31 acBigger

Bigger than 20% of homes nearby

How 307 Union St ranks against every home in each area.
MeasureThis homeWatertown 53098Dodge County
Estimated valuepricier than$228,67024% of homes29% of homes
Lot sizebigger than0.2 ac20% of homes19% of homes

About 307 Union St

How much is 307 Union St, Watertown, WI worth?

The TopHap Estimate for 307 Union St, Watertown, WI is $228,670 as of Sep 24, 2026. The likely range is $205,334 to $252,006. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 Union St, Watertown, WI last sell?

307 Union St, Watertown, WI last sold on Aug 6, 2009 for $127,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 307 Union St, Watertown, WI?

307 Union St, Watertown, WI is assigned to Lincoln Elementary School (elementary), rated A-; Watertown High School (high), rated C-; 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 307 Union St, Watertown, WI compare to other homes in Watertown 53098?

Among the 3,589 homes in Watertown 53098, it is worth more than 24% of them ($228,670 against a typical $299,828) and its lot is bigger than 20% of them (0.2 ac against a typical 0.31 ac). Measured against all of Dodge County, it is worth more than 29% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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