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Single Family ResidenceResidential
$925,358$206 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $904,500 on May 21, 2024

309 WHITMORE LN

LAKE FOREST, IL 60045
2.5
Baths
4,494 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.
0.58 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
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

$925K
$807K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$904,500 · May 21, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$23,852 (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.$296,793 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$89,497
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$207,296
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$274,296
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$890,468

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLAKE
Lot (acres)The size of the land the home sits on, from county records.0.58
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.DeckPatio · 544 ft²Porch · 120 ft²

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
Daniel Wright Junior High SchoolA+
Middle · Grades 6–8 · 0.2 mi
E
Laura B. Sprague School
Elementary · Grades KG–2 · 0.9 mi
H
Adlai E Stevenson High SchoolA+
High · Grades 9–12 · 2.0 mi

District: Lincolnshire-Prairieview School District 103

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

309 Whitmore 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 89% of homes in Lake County
  • Costs less per square foot than 98% of homes in Lake Forest 60045
  • Bigger than 96% of homes in Lake County
  • Has a bigger lot than 85% of homes in Lake County
  • Newer than 71% of homes in Lake Forest 60045

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
$435K$4M

This home is worth more than 30% 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$925,358
CheaperTypical $1,172,132Pricier

Pricier than 30% of homes nearby

Price per ft²$206
CheaperTypical $380Pricier

Pricier than 2% of homes nearby

Living area4,494 ft²
SmallerTypical 3,307 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.58 ac
SmallerTypical 0.52 acBigger

Bigger than 54% of homes nearby

Year built1987
OlderTypical 1974Newer

Newer than 71% of homes nearby

How 309 Whitmore Ln ranks against every home in each area.
MeasureThis homeLake Forest 60045Lake County
Estimated valuepricier than$925,35830% of homes89% of homes
Price per ft²pricier than$2062% of homes33% of homes
Living areabigger than4,494 ft²74% of homes96% of homes
Lot sizebigger than0.58 ac54% of homes85% of homes
Year builtnewer than198771% of homes57% of homes

About 309 Whitmore Ln

How much is 309 Whitmore Ln, Lake Forest, IL worth?

The TopHap Estimate for 309 Whitmore Ln, Lake Forest, IL is $925,358 as of Oct 21, 2026. The likely range is $806,549 to $1,044,167. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Whitmore Ln, Lake Forest, IL last sell?

309 Whitmore Ln, Lake Forest, IL last sold on May 21, 2024 for $904,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 309 Whitmore Ln, Lake Forest, IL?

309 Whitmore Ln, Lake Forest, IL has 2.5 bathrooms, 4,494 square feet of living space and a 0.58-acre lot.

When was 309 Whitmore Ln, Lake Forest, IL built?

309 Whitmore Ln, Lake Forest, IL was built in 1987, making it 39 years old. The building has 2 stories.

What schools serve 309 Whitmore Ln, Lake Forest, IL?

309 Whitmore Ln, Lake Forest, IL is assigned to Daniel Wright Junior High School (middle), rated A+; Laura B. Sprague School (elementary); Adlai E Stevenson High School (high), rated A+. All sit in Lincolnshire-Prairieview School District 103. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Whitmore Ln, Lake Forest, IL compare to other homes in Lake Forest 60045?

Among the 7,571 homes in Lake Forest 60045, it is worth more than 30% of them ($925,358 against a typical $1,172,132), its price per square foot is higher than 2% of them ($206 against a typical $380), it is bigger than 74% of them (4,494 ft² against a typical 3,307 ft²), its lot is bigger than 54% of them (0.58 ac against a typical 0.52 ac) and it is newer than 71% of them (1987 against a typical 1974). Measured against all of Lake County, it is worth more than 89% 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 309 Whitmore Ln, Lake Forest, IL?

The 2024 property tax bill for 309 Whitmore Ln, Lake Forest, IL was $23,852. The county assessed it at $296,793.

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