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Single Family ResidentialResidential
$260,284
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 79How 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

307 E SPENCE ST

COLBY, WI 54421
0
Baths
10.77 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$260K
$207K low$314K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,310 (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.$287,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$262,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$287,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$299,085

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.29 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.10.77
HeatingThe type of heating system in the home.None

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Colby Middle SchoolD
Middle · Grades 6–8 · 0.9 mi
E
Colby Elementary SchoolD
Elementary · Grades KG–5 · 0.9 mi
H
Colby High SchoolB-
High · Grades 9–12 · 0.9 mi

District: Colby School District

Neighborhood · ZIP 54421These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.81
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.7

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.9.6%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.3,795
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.55 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,103
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,126
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

307 E Spence 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 69% of homes in Colby 54421
  • Has a bigger lot than 92% of homes in Marathon County

What homes are worth in Colby 54421

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

This home
$34K$502K

This home is worth more than 69% of homes in Colby 54421.

How it measures up in Colby 54421

The dot is this home. The mark in the middle is the typical home in Colby 54421.

Estimated value$260,284
CheaperTypical $203,047Pricier

Pricier than 69% of homes nearby

Lot size10.77 ac
SmallerTypical 0.48 acBigger

Bigger than 90% of homes nearby

How 307 E Spence St ranks against every home in each area.
MeasureThis homeColby 54421Marathon County
Estimated valuepricier than$260,28469% of homes54% of homes
Lot sizebigger than10.77 ac90% of homes92% of homes

About 307 E Spence St

How much is 307 E Spence St, Colby, WI worth?

The TopHap Estimate for 307 E Spence St, Colby, WI is $260,284 as of Jul 14, 2026. The likely range is $206,654 to $313,914. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 307 E Spence St, Colby, WI last sell?

307 E Spence St, Colby, WI last sold on Jun 12, 2012, according to the county's recorded deed.

What schools serve 307 E Spence St, Colby, WI?

307 E Spence St, Colby, WI is assigned to Colby Middle School (middle), rated D; Colby Elementary School (elementary), rated D; Colby High School (high), rated B-. All sit in Colby School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 307 E Spence St, Colby, WI compare to other homes in Colby 54421?

Among the 1,009 homes in Colby 54421, it is worth more than 69% of them ($260,284 against a typical $203,047) and its lot is bigger than 90% of them (10.77 ac against a typical 0.48 ac). Measured against all of Marathon County, it is worth more than 54% 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 307 E Spence St, Colby, WI?

The 2025 property tax bill for 307 E Spence St, Colby, WI was $4,310. The county assessed it at $287,700.

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