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Single Family ResidenceResidential
$1,578,189$616 / 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 98How 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

321 WASHINGTON AVE

WILMETTE, IL 60091
5
Beds
3.5
Baths
2,564 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.6M
$1.5M low$1.6M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,472 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$138,998 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,973
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$95,025
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$105,001
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,389,980

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.33
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
66
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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 Residence
CountyCOOK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1942
Lot (acres)The size of the land the home sits on, from county records.0.31
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning 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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Central Elementary SchoolA+
Elementary · Grades KG–4 · 0.6 mi
H
New Trier Township High School - WinnetkaA+
High · Grades 10–12 · 1.9 mi
M
Wilmette Junior High SchoolA+
Middle · Grades 7–8 · 2.6 mi

District: Wilmette School District 39

Neighborhood · ZIP 60091These 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.33
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.27,030
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,194 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$173,659
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$260,520
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

321 Washington 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 more than 98% of homes in Cook County
  • Costs more per square foot than 98% of homes in Cook County
  • Bigger than 83% of homes in Cook County
  • Has a bigger lot than 82% of homes in Wilmette 60091
  • Older than 70% of homes in Cook County

What homes are worth in Wilmette 60091

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

This home
$307K$3.1M

This home is worth more than 74% of homes in Wilmette 60091.

How it measures up in Wilmette 60091

The dot is this home. The mark in the middle is the typical home in Wilmette 60091.

Estimated value$1,578,189
CheaperTypical $1,051,762Pricier

Pricier than 74% of homes nearby

Price per ft²$616
CheaperTypical $487Pricier

Pricier than 83% of homes nearby

Living area2,564 ft²
SmallerTypical 2,204 ft²Bigger

Bigger than 61% of homes nearby

Lot size0.31 ac
SmallerTypical 0.2 acBigger

Bigger than 82% of homes nearby

Year built1941
OlderTypical 1956Newer

Newer than 34% of homes nearby

How 321 Washington Ave ranks against every home in each area.
MeasureThis homeWilmette 60091Cook County
Estimated valuepricier than$1,578,18974% of homes98% of homes
Price per ft²pricier than$61683% of homes98% of homes
Living areabigger than2,564 ft²61% of homes83% of homes
Lot sizebigger than0.31 ac82% of homes75% of homes
Year builtnewer than194134% of homes30% of homes

About 321 Washington Ave

How much is 321 Washington Ave, Wilmette, IL worth?

The TopHap Estimate for 321 Washington Ave, Wilmette, IL is $1,578,189 as of Sep 24, 2026. The likely range is $1,539,613 to $1,616,765. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Washington Ave, Wilmette, IL last sell?

321 Washington Ave, Wilmette, IL last sold on Jul 10, 2006, according to the county's recorded deed.

How big is 321 Washington Ave, Wilmette, IL?

321 Washington Ave, Wilmette, IL has 5 bedrooms, 3.5 bathrooms, 2,564 square feet of living space and a 0.31-acre lot.

When was 321 Washington Ave, Wilmette, IL built?

321 Washington Ave, Wilmette, IL was built in 1941, making it 85 years old. The building has 2 stories.

What schools serve 321 Washington Ave, Wilmette, IL?

321 Washington Ave, Wilmette, IL is assigned to Central Elementary School (elementary), rated A+; New Trier Township High School - Winnetka (high), rated A+; Wilmette Junior High School (middle), rated A+. All sit in Wilmette School District 39. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Washington Ave, Wilmette, IL compare to other homes in Wilmette 60091?

Among the 9,833 homes in Wilmette 60091, it is worth more than 74% of them ($1,578,189 against a typical $1,051,762), its price per square foot is higher than 83% of them ($616 against a typical $487), it is bigger than 61% of them (2,564 ft² against a typical 2,204 ft²), its lot is bigger than 82% of them (0.31 ac against a typical 0.2 ac) and it is newer than 34% of them (1941 against a typical 1956). Measured against all of Cook County, it is worth more than 98% 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 321 Washington Ave, Wilmette, IL?

The 2023 property tax bill for 321 Washington Ave, Wilmette, IL was $22,472. The county assessed it at $138,998.

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