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Single Family ResidenceResidential
$650,571$447 / 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 92How 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 $325,000 on Jan 6, 1998

821 SUMMIT AVE

LAKE FOREST, IL 60045
2
Baths
1,456 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.
3,772 ft²
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$651K
$601K low$701K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · Jan 6, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,925 (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.$136,799 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$48,793
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$88,006
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$136,799
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$410,438

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.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
59
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.
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.minimal

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
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyLake
Lot (acres)The size of the land the home sits on, from county records.0.09
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.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 390 ft²

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.

M
Deer Path Middle School WestA+
Middle · Grades 7–8 · 0.6 mi
H
Lake Forest High SchoolA+
High · Grades 9–12 · 0.7 mi
E
Sheridan Elementary SchoolA+
Elementary · Grades PK–4 · 0.8 mi

District: Lake Forest School District 67

Neighborhood · ZIP 60045These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.21,049
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.934 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$182,935
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$257,314
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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

821 Summit 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 91% of homes in Lake Forest 60045
  • Costs more per square foot than 97% of homes in Lake County
  • Smaller than 94% of homes in Lake Forest 60045
  • Has a smaller lot than 92% of homes in Lake Forest 60045
  • Older than 94% of homes in Lake County

What homes are worth in Lake Forest 60045

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

This home
$443K$4.3M

This home is worth more than 9% of homes in Lake Forest 60045.

How it measures up in Lake Forest 60045

The dot is this home. The mark in the middle is the typical home in Lake Forest 60045.

Estimated value$650,571
CheaperTypical $1,187,842Pricier

Pricier than 9% of homes nearby

Price per ft²$447
CheaperTypical $380Pricier

Pricier than 77% of homes nearby

Living area1,456 ft²
SmallerTypical 3,246 ft²Bigger

Bigger than 6% of homes nearby

Lot size3,772 ft²
SmallerTypical 0.53 acBigger

Bigger than 8% of homes nearby

Year built1928
OlderTypical 1974Newer

Newer than 11% of homes nearby

How 821 Summit Ave ranks against every home in each area.
MeasureThis homeLake Forest 60045Lake County
Estimated valuepricier than$650,5719% of homes77% of homes
Price per ft²pricier than$44777% of homes97% of homes
Living areabigger than1,456 ft²6% of homes37% of homes
Lot sizebigger than3,772 ft²8% of homes10% of homes
Year builtnewer than192811% of homes6% of homes

About 821 Summit Ave

How much is 821 Summit Ave, Lake Forest, IL worth?

The TopHap Estimate for 821 Summit Ave, Lake Forest, IL is $650,571 as of Sep 24, 2026. The likely range is $600,537 to $700,605. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Summit Ave, Lake Forest, IL last sell?

821 Summit Ave, Lake Forest, IL last sold on Jan 6, 1998 for $325,000, according to the county's recorded deed.

How big is 821 Summit Ave, Lake Forest, IL?

821 Summit Ave, Lake Forest, IL has 2 bathrooms, 1,456 square feet of living space and a 0.09-acre lot.

When was 821 Summit Ave, Lake Forest, IL built?

821 Summit Ave, Lake Forest, IL was built in 1928, making it 98 years old. It is a conventional home. The building has 2 stories.

What schools serve 821 Summit Ave, Lake Forest, IL?

821 Summit Ave, Lake Forest, IL is assigned to Deer Path Middle School West (middle), rated A+; Lake Forest High School (high), rated A+; Sheridan Elementary School (elementary), rated A+. All sit in Lake Forest School District 67. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Summit Ave, Lake Forest, IL compare to other homes in Lake Forest 60045?

Among the 7,556 homes in Lake Forest 60045, it is worth more than 9% of them ($650,571 against a typical $1,187,842), its price per square foot is higher than 77% of them ($447 against a typical $380), it is bigger than 6% of them (1,456 ft² against a typical 3,246 ft²), its lot is bigger than 8% of them (3,772 ft² against a typical 0.53 ac) and it is newer than 11% of them (1928 against a typical 1974). Measured against all of Lake County, it is worth more than 77% 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 821 Summit Ave, Lake Forest, IL?

The 2025 property tax bill for 821 Summit Ave, Lake Forest, IL was $6,925. The county assessed it at $136,799.

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