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Single Family ResidenceResidential
$518,266$291 / 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 94How 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 $425,000 on Apr 19, 2022

520 LONGFELLOW AVE

DEERFIELD, IL 60015
3
Beds
2.5
Baths
1,784 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$518K
$489K low$547K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$425,000 · Apr 19, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,273 (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.$142,232 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,543
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$107,689
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$132,822
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$426,738

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.0.15
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 With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.None
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, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Kipling Elementary SchoolA+
Elementary · Grades KG–5 · 0.1 mi
M
Alan B. Shepard Middle SchoolA+
Middle · Grades 6–8 · 0.6 mi
H
Deerfield High SchoolA+
High · Grades 9–12 · 1.6 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

520 Longfellow 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 73% of homes in Deerfield 60015
  • Costs more per square foot than 77% of homes in Lake County
  • Smaller than 71% of homes in Deerfield 60015
  • Has a smaller lot than 84% of homes in Deerfield 60015
  • Older than 92% 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
$244K$1.9M

This home is worth more than 27% 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$518,266
CheaperTypical $741,249Pricier

Pricier than 27% of homes nearby

Price per ft²$291
CheaperTypical $315Pricier

Pricier than 34% of homes nearby

Living area1,784 ft²
SmallerTypical 2,375 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.16 ac
SmallerTypical 0.26 acBigger

Bigger than 16% of homes nearby

Year built1950
OlderTypical 1972Newer

Newer than 8% of homes nearby

How 520 Longfellow Ave ranks against every home in each area.
MeasureThis homeDeerfield 60015Lake County
Estimated valuepricier than$518,26627% of homes66% of homes
Price per ft²pricier than$29134% of homes77% of homes
Living areabigger than1,784 ft²29% of homes51% of homes
Lot sizebigger than0.16 ac16% of homes26% of homes
Year builtnewer than19508% of homes15% of homes

About 520 Longfellow Ave

How much is 520 Longfellow Ave, Deerfield, IL worth?

The TopHap Estimate for 520 Longfellow Ave, Deerfield, IL is $518,266 as of Oct 21, 2026. The likely range is $489,247 to $547,285. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 Longfellow Ave, Deerfield, IL last sell?

520 Longfellow Ave, Deerfield, IL last sold on Apr 19, 2022 for $425,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 520 Longfellow Ave, Deerfield, IL?

520 Longfellow Ave, Deerfield, IL has 3 bedrooms, 2.5 bathrooms, 1,784 square feet of living space and a 0.15-acre lot.

When was 520 Longfellow Ave, Deerfield, IL built?

520 Longfellow Ave, Deerfield, IL was built in 1950, making it 76 years old. It is a conventional home. The building has 1 story.

What schools serve 520 Longfellow Ave, Deerfield, IL?

520 Longfellow Ave, Deerfield, IL is assigned to Kipling Elementary School (elementary), rated A+; Alan B. Shepard Middle School (middle), 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 520 Longfellow Ave, Deerfield, IL compare to other homes in Deerfield 60015?

Among the 9,357 homes in Deerfield 60015, it is worth more than 27% of them ($518,266 against a typical $741,249), its price per square foot is higher than 34% of them ($291 against a typical $315), it is bigger than 29% of them (1,784 ft² against a typical 2,375 ft²), its lot is bigger than 16% of them (0.16 ac against a typical 0.26 ac) and it is newer than 8% of them (1950 against a typical 1972). Measured against all of Lake County, it is worth more than 66% 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 520 Longfellow Ave, Deerfield, IL?

The 2025 property tax bill for 520 Longfellow Ave, Deerfield, IL was $12,273. The county assessed it at $142,232.

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