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Single Family ResidenceResidential
$907,263$209 / 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 96How 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 $660,000 on Apr 24, 2020

4509 N GRASSMERE CT

APPLETON, WI 54913
4
Beds
3.5
Baths
4,340 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$907K
$875K low$939K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$660,000 · Apr 24, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,736 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$841,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$97,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$744,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$952,900

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.Modern
CountyOUTAGAMIE
Lot (acres)The size of the land the home sits on, from county records.0.52
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Edna Ferber Elementary SchoolC+
Elementary · Grades KG–5 · 1.0 mi
M
Einstein Middle SchoolB-
Middle · Grades 6–8 · 1.1 mi
H
Appleton North High SchoolB-
High · Grades 9–12 · 1.6 mi

District: Appleton Area School District

Neighborhood · ZIP 54913These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.69
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
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.22,856
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.377 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,210
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,211
Average tempThe average temperature here across a full year.45°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

4509 N Grassmere Ct 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.

  • Among the most valuable homes in Outagamie County
  • Costs less per square foot than 69% of homes in Appleton 54913
  • Among the largest homes in Outagamie County
  • Has a bigger lot than 74% of homes in Thornbrook Meadows
  • Newer than 93% of homes in Thornbrook Meadows

What homes are worth in Appleton 54913

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

This home
$171K$1.2M

This home is worth more than 96% of homes in Appleton 54913.

How it measures up in Appleton 54913

The dot is this home. The mark in the middle is the typical home in Appleton 54913.

Estimated value$907,263
CheaperTypical $472,647Pricier

Pricier than 96% of homes nearby

Price per ft²$209
CheaperTypical $229Pricier

Pricier than 31% of homes nearby

Living area4,340 ft²
SmallerTypical 2,029 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.52 ac
SmallerTypical 0.4 acBigger

Bigger than 60% of homes nearby

Year built2002
OlderTypical 2004Newer

Newer than 40% of homes nearby

How 4509 N Grassmere Ct ranks against every home in each area.
MeasureThis homeThornbrook MeadowsAppleton 54913Outagamie County
Estimated valuepricier than$907,26396% of homes96% of homesalmost all homes
Price per ft²pricier than$20953% of homes31% of homes55% of homes
Living areabigger than4,340 ft²93% of homes97% of homesalmost all homes
Lot sizebigger than0.52 ac74% of homes60% of homes73% of homes
Year builtnewer than200293% of homes40% of homes84% of homes

About 4509 N Grassmere Ct

How much is 4509 N Grassmere Ct, Appleton, WI worth?

The TopHap Estimate for 4509 N Grassmere Ct, Appleton, WI is $907,263 as of Sep 24, 2026. The likely range is $875,079 to $939,447. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4509 N Grassmere Ct, Appleton, WI last sell?

4509 N Grassmere Ct, Appleton, WI last sold on Apr 24, 2020 for $660,000, according to the county's recorded deed.

How big is 4509 N Grassmere Ct, Appleton, WI?

4509 N Grassmere Ct, Appleton, WI has 4 bedrooms, 3.5 bathrooms, 4,340 square feet of living space and a 0.52-acre lot.

When was 4509 N Grassmere Ct, Appleton, WI built?

4509 N Grassmere Ct, Appleton, WI was built in 2002, making it 24 years old. It is a modern home. The building has 2 stories.

What schools serve 4509 N Grassmere Ct, Appleton, WI?

4509 N Grassmere Ct, Appleton, WI is assigned to Edna Ferber Elementary School (elementary), rated C+; Einstein Middle School (middle), rated B-; Appleton North High School (high), rated B-. All sit in Appleton Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4509 N Grassmere Ct, Appleton, WI compare to other homes in Appleton 54913?

Among the 8,125 homes in Appleton 54913, it is worth more than 96% of them ($907,263 against a typical $472,647), its price per square foot is higher than 31% of them ($209 against a typical $229), it is bigger than 97% of them (4,340 ft² against a typical 2,029 ft²), its lot is bigger than 60% of them (0.52 ac against a typical 0.4 ac) and it is newer than 40% of them (2002 against a typical 2004). Measured against all of Outagamie County, it is worth more than almost all 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 4509 N Grassmere Ct, Appleton, WI?

The 2024 property tax bill for 4509 N Grassmere Ct, Appleton, WI was $12,736. The county assessed it at $841,600.

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