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Single Family ResidentialResidential
$234,169
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 $161,300 on Jan 23, 2008

1020 PROSPECT AVE

PORTAGE, WI 53901
Building report
0
Baths
2,542 ft²
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$234K
$210K low$258K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$161,300 · Jan 23, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,112 (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.$200,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$192,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$222,113

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyCOLUMBIA
Lot (acres)The size of the land the home sits on, from county records.0.06
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

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

M
Wayne E. Bartels Middle SchoolC-
Middle · Grades 6–8 · 1.4 mi
E
Woodridge Elementary
Elementary · Grades KG–1 · 1.5 mi
H
Portage High SchoolD
High · Grades 9–12 · 1.7 mi

District: Portage Community School District

Neighborhood · ZIP 53901These 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.136
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 100.20

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.14,773
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.98 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,310
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,198
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

1020 Prospect Ave 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 80% of homes in Columbia County
  • Among the smallest lots in Portage 53901

What homes are worth in Portage 53901

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

This home
$84K$842K

This home is worth more than 36% of homes in Portage 53901.

How it measures up in Portage 53901

The dot is this home. The mark in the middle is the typical home in Portage 53901.

Estimated value$234,169
CheaperTypical $273,518Pricier

Pricier than 36% of homes nearby

Lot size2,542 ft²
SmallerTypical 0.31 acBigger

Smaller than almost all homes nearby

How 1020 Prospect Ave ranks against every home in each area.
MeasureThis homePortage 53901Columbia County
Estimated valuepricier than$234,16936% of homes20% of homes
Lot sizebigger than2,542 ft²almost no homesalmost no homes

About 1020 Prospect Ave

How much is 1020 Prospect Ave, Portage, WI worth?

The TopHap Estimate for 1020 Prospect Ave, Portage, WI is $234,169 as of Sep 24, 2026. The likely range is $210,028 to $258,310. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1020 Prospect Ave, Portage, WI last sell?

1020 Prospect Ave, Portage, WI last sold on Jan 23, 2008 for $161,300, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

What schools serve 1020 Prospect Ave, Portage, WI?

1020 Prospect Ave, Portage, WI is assigned to Wayne E. Bartels Middle School (middle), rated C-; Woodridge Elementary (elementary); Portage High School (high), rated D. All sit in Portage Community School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1020 Prospect Ave, Portage, WI compare to other homes in Portage 53901?

Among the 4,807 homes in Portage 53901, it is worth more than 36% of them ($234,169 against a typical $273,518) and its lot is bigger than almost none of them (2,542 ft² against a typical 0.31 ac). Measured against all of Columbia County, it is worth more than 20% 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 1020 Prospect Ave, Portage, WI?

The 2025 property tax bill for 1020 Prospect Ave, Portage, WI was $4,112. The county assessed it at $200,000.

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Assigned schools

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