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Single Family ResidenceResidential
$443,813$203 / ft²
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 93How 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 $194,900 on Jan 4, 2021

21 DIANE LN

APPLETON, WI 54915
3
Beds
4
Baths
2,184 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$444K
$411K low$477K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$194,900 · Jan 4, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,067 (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.$359,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$56,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$303,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$359,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$379,121

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyCalumet
Lot (acres)The size of the land the home sits on, from county records.0.32
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

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
Janet Berry Elementary SchoolB+
Elementary · Grades KG–5 · 0.3 mi
M
James Madison Middle SchoolC-
Middle · Grades 6–8 · 1.1 mi
H
Appleton East High SchoolD
High · Grades 9–12 · 1.5 mi

District: Appleton Area School District

Neighborhood · ZIP 54915These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.67
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.12

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.42,379
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,670 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,404
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,213
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.30 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

21 Diane Ln 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 81% of homes in Appleton 54915
  • Bigger than 78% of homes in Appleton 54915
  • Has a bigger lot than 67% of homes in Appleton 54915
  • Newer than 69% of homes in Appleton 54915

What homes are worth in Appleton 54915

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

This home
$185K$663K

This home is worth more than 81% of homes in Appleton 54915.

How it measures up in Appleton 54915

The dot is this home. The mark in the middle is the typical home in Appleton 54915.

Estimated value$443,813
CheaperTypical $338,224Pricier

Pricier than 81% of homes nearby

Price per ft²$203
CheaperTypical $209Pricier

Pricier than 46% of homes nearby

Living area2,184 ft²
SmallerTypical 1,624 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.32 ac
SmallerTypical 0.26 acBigger

Bigger than 67% of homes nearby

Year built1992
OlderTypical 1981Newer

Newer than 69% of homes nearby

How 21 Diane Ln ranks against every home in each area.
MeasureThis homeAppleton 54915Calumet County
Estimated valuepricier than$443,81381% of homes74% of homes
Price per ft²pricier than$20346% of homes39% of homes
Living areabigger than2,184 ft²78% of homes74% of homes
Lot sizebigger than0.32 ac67% of homes43% of homes
Year builtnewer than199269% of homes49% of homes

About 21 Diane Ln

How much is 21 Diane Ln, Appleton, WI worth?

The TopHap Estimate for 21 Diane Ln, Appleton, WI is $443,813 as of Sep 24, 2026. The likely range is $411,121 to $476,505. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Diane Ln, Appleton, WI last sell?

21 Diane Ln, Appleton, WI last sold on Jan 4, 2021 for $194,900, according to the county's recorded deed.

How big is 21 Diane Ln, Appleton, WI?

21 Diane Ln, Appleton, WI has 3 bedrooms, 4 bathrooms, 2,184 square feet of living space and a 0.32-acre lot.

When was 21 Diane Ln, Appleton, WI built?

21 Diane Ln, Appleton, WI was built in 1992, making it 34 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Diane Ln, Appleton, WI?

21 Diane Ln, Appleton, WI is assigned to Janet Berry Elementary School (elementary), rated B+; James Madison Middle School (middle), rated C-; Appleton East High School (high), rated D. All sit in Appleton Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Diane Ln, Appleton, WI compare to other homes in Appleton 54915?

Among the 13,753 homes in Appleton 54915, it is worth more than 81% of them ($443,813 against a typical $338,224), its price per square foot is higher than 46% of them ($203 against a typical $209), it is bigger than 78% of them (2,184 ft² against a typical 1,624 ft²), its lot is bigger than 67% of them (0.32 ac against a typical 0.26 ac) and it is newer than 69% of them (1992 against a typical 1981). Measured against all of Calumet County, it is worth more than 74% 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 21 Diane Ln, Appleton, WI?

The 2025 property tax bill for 21 Diane Ln, Appleton, WI was $6,067. The county assessed it at $359,900.

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