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Residential (General/Single)Residential
$99,303
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 66How 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

308 MILL W ST

SPENCER, WI 54479
0
Baths
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$99K
$65K low$133K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,324 (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.$65,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$59,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$65,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$82,907

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyMarathon
Lot (acres)The size of the land the home sits on, from county records.0.14
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.

M
Spencer Junior High/HighC+
Middle · Grades 6–12 · 0.5 mi
E
Spencer Elementary SchoolC+
Elementary · Grades PK–5 · 0.5 mi

District: Spencer School District

Neighborhood · ZIP 54479These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.14

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.94%
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.8.1%
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.4,643
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.57 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,713
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,757
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.33 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

308 Mill W 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 94% of homes in Marathon County
  • Has a smaller lot than 97% of homes in Spencer 54479

What homes are worth in Spencer 54479

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

This home
$60K$494K

This home is worth more than 9% of homes in Spencer 54479.

How it measures up in Spencer 54479

The dot is this home. The mark in the middle is the typical home in Spencer 54479.

Estimated value$99,303
CheaperTypical $204,767Pricier

Pricier than 9% of homes nearby

Lot size0.14 ac
SmallerTypical 0.43 acBigger

Bigger than 3% of homes nearby

How 308 Mill W St ranks against every home in each area.
MeasureThis homeSpencer 54479Marathon County
Estimated valuepricier than$99,3039% of homes6% of homes
Lot sizebigger than0.14 ac3% of homes4% of homes

About 308 Mill W St

How much is 308 Mill W St, Spencer, WI worth?

The TopHap Estimate for 308 Mill W St, Spencer, WI is $99,303 as of Sep 24, 2026. The likely range is $65,109 to $133,497. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 308 Mill W St, Spencer, WI?

308 Mill W St, Spencer, WI is assigned to Spencer Junior High/High (middle), rated C+; Spencer Elementary School (elementary), rated C+. All sit in Spencer School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 308 Mill W St, Spencer, WI compare to other homes in Spencer 54479?

Among the 1,473 homes in Spencer 54479, it is worth more than 9% of them ($99,303 against a typical $204,767) and its lot is bigger than 3% of them (0.14 ac against a typical 0.43 ac). Measured against all of Marathon County, it is worth more than 6% 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 308 Mill W St, Spencer, WI?

The 2025 property tax bill for 308 Mill W St, Spencer, WI was $1,324. The county assessed it at $65,300.

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Assigned schools

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