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Single Family ResidenceResidential
$937,905$233 / 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 $720,000 on Aug 4, 2020

340 PORTWINE RD

RIVERWOODS, IL 60015
4
Baths
4,018 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.
1.84 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
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

$938K
$864K 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.$720,000 · Aug 4, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,943 (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.$263,263 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$102,764
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$160,499
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$243,538
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$789,868

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.1.83
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Patio · 610 ft²Porch · 265 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
Charles J. Caruso Middle SchoolA
Middle · Grades 6–8 · 1.5 mi
E
Wilmot Elementary SchoolA
Elementary · Grades KG–5 · 1.7 mi
H
Deerfield High SchoolA+
High · Grades 9–12 · 3.0 mi

District: Deerfield School District 109

Neighborhood · ZIP 60015These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.28,450
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,053 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,494
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$229,637
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

340 Portwine Rd 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 90% of homes in Lake County
  • Costs less per square foot than 89% of homes in Deerfield 60015
  • Bigger than 95% of homes in Lake County
  • Has a bigger lot than 96% of homes in Lake County
  • Newer than 77% of homes in Deerfield 60015

What homes are worth in Deerfield 60015

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

This home
$242K$1.8M

This home is worth more than 72% of homes in Deerfield 60015.

How it measures up in Deerfield 60015

The dot is this home. The mark in the middle is the typical home in Deerfield 60015.

Estimated value$937,905
CheaperTypical $723,109Pricier

Pricier than 72% of homes nearby

Price per ft²$233
CheaperTypical $307Pricier

Pricier than 11% of homes nearby

Living area4,018 ft²
SmallerTypical 2,352 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.84 ac
SmallerTypical 0.26 acBigger

Bigger than 93% of homes nearby

Year built1989
OlderTypical 1971Newer

Newer than 77% of homes nearby

How 340 Portwine Rd ranks against every home in each area.
MeasureThis homeDeerfield 60015Lake County
Estimated valuepricier than$937,90572% of homes90% of homes
Price per ft²pricier than$23311% of homes51% of homes
Living areabigger than4,018 ft²87% of homes95% of homes
Lot sizebigger than1.84 ac93% of homes96% of homes
Year builtnewer than198977% of homes62% of homes

About 340 Portwine Rd

How much is 340 Portwine Rd, Riverwoods, IL worth?

The TopHap Estimate for 340 Portwine Rd, Riverwoods, IL is $937,905 as of Sep 24, 2026. The likely range is $864,196 to $1,011,614. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 340 Portwine Rd, Riverwoods, IL last sell?

340 Portwine Rd, Riverwoods, IL last sold on Aug 4, 2020 for $720,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 340 Portwine Rd, Riverwoods, IL?

340 Portwine Rd, Riverwoods, IL has 4 bathrooms, 4,018 square feet of living space and a 1.83-acre lot.

When was 340 Portwine Rd, Riverwoods, IL built?

340 Portwine Rd, Riverwoods, IL was built in 1989, making it 37 years old. The building has 2 stories.

What schools serve 340 Portwine Rd, Riverwoods, IL?

340 Portwine Rd, Riverwoods, IL is assigned to Charles J. Caruso Middle School (middle), rated A; Wilmot Elementary School (elementary), rated A; Deerfield High School (high), rated A+. All sit in Deerfield School District 109. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 340 Portwine Rd, Riverwoods, IL compare to other homes in Deerfield 60015?

Among the 9,368 homes in Deerfield 60015, it is worth more than 72% of them ($937,905 against a typical $723,109), its price per square foot is higher than 11% of them ($233 against a typical $307), it is bigger than 87% of them (4,018 ft² against a typical 2,352 ft²), its lot is bigger than 93% of them (1.84 ac against a typical 0.26 ac) and it is newer than 77% of them (1989 against a typical 1971). Measured against all of Lake County, it is worth more than 90% 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 340 Portwine Rd, Riverwoods, IL?

The 2024 property tax bill for 340 Portwine Rd, Riverwoods, IL was $19,943. The county assessed it at $263,263.

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