Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$374,125
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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

603 W ROBERTS ST

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

Valuation

$374K
$342K low$406K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$79,825
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$63,860
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.84%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$165,000
HERITAGE BANK · recorded Jun 19, 2015
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$129,300
ASSOCIATED BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,253 (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.$259,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$245,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$259,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$329,088

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyMarathon
Lot (acres)The size of the land the home sits on, from county records.0.33
HeatingThe type of heating system in the home.None

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 · 0.8 mi
E
Spencer Elementary SchoolC+
Elementary · Grades PK–5 · 0.8 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

603 W Roberts 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 more than 90% of homes in Spencer 54479
  • Has a smaller lot than 68% of homes in Marathon County

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
$51K$509K

This home is worth more than 90% 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$374,125
CheaperTypical $203,824Pricier

Pricier than 90% of homes nearby

Lot size0.33 ac
SmallerTypical 0.43 acBigger

Bigger than 36% of homes nearby

How 603 W Roberts St ranks against every home in each area.
MeasureThis homeSpencer 54479Marathon County
Estimated valuepricier than$374,12590% of homes80% of homes
Lot sizebigger than0.33 ac36% of homes32% of homes

About 603 W Roberts St

How much is 603 W Roberts St, Spencer, WI worth?

The TopHap Estimate for 603 W Roberts St, Spencer, WI is $374,125 as of Jul 14, 2026. The likely range is $341,932 to $406,318. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve 603 W Roberts St, Spencer, WI?

603 W Roberts 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 603 W Roberts St, Spencer, WI compare to other homes in Spencer 54479?

Among the 1,473 homes in Spencer 54479, it is worth more than 90% of them ($374,125 against a typical $203,824) and its lot is bigger than 36% of them (0.33 ac against a typical 0.43 ac). Measured against all of Marathon County, it is worth more than 80% 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 603 W Roberts St, Spencer, WI?

The 2025 property tax bill for 603 W Roberts St, Spencer, WI was $5,253. The county assessed it at $259,200.

Closest homes

More homes in Spencer 54479

Assigned schools

Explore the area

See this home in context

Open 603 W Roberts St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map