Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$171,535$223 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $133,000 on Jan 18, 2018

4020 GUNDERSON AVE

BERWYN, IL 60402
2
Beds
1
Baths
768 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.
3,150 ft²
Lot SizeThe size of the land the home sits on, from county records.
1918
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$172K
$156K low$187K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$133,000 · Jan 18, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,281 (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.$8,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,835
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,665
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$8,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$85,000

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.37
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.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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
Lot (acres)The size of the land the home sits on, from county records.0.07
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.Asphalt
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.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(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Edison Elementary SchoolB+
Elementary · Grades PK–5 · 0.1 mi
M
Washington Middle SchoolC-
Middle · Grades 6–8 · 1.9 mi
H
J Sterling Morton West High SchoolB-
High · Grades 9–12 · 2.0 mi

District: Lyons School District 103

Neighborhood · ZIP 60402These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.126
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.61,929
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.10,926 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,302
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,731
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.38 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

Owner Tools

Do you own this home?
Claim this home

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

4020 Gunderson 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 95% of homes in Berwyn 60402
  • Smaller than 98% of homes in Cook County
  • Has a smaller lot than 92% of homes in Berwyn 60402
  • Older than 85% of homes in Berwyn 60402

What homes are worth in Berwyn 60402

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

This home
$125K$492K

This home is worth more than 5% of homes in Berwyn 60402.

How it measures up in Berwyn 60402

The dot is this home. The mark in the middle is the typical home in Berwyn 60402.

Estimated value$171,535
CheaperTypical $294,466Pricier

Pricier than 5% of homes nearby

Price per ft²$223
CheaperTypical $234Pricier

Pricier than 41% of homes nearby

Living area768 ft²
SmallerTypical 1,363 ft²Bigger

Bigger than 3% of homes nearby

Lot size3,150 ft²
SmallerTypical 4,138 ft²Bigger

Bigger than 8% of homes nearby

Year built1918
OlderTypical 1927Newer

Newer than 15% of homes nearby

How 4020 Gunderson Ave ranks against every home in each area.
MeasureThis homeBerwyn 60402Cook County
Estimated valuepricier than$171,5355% of homes13% of homes
Price per ft²pricier than$22341% of homes40% of homes
Living areabigger than768 ft²3% of homes2% of homes
Lot sizebigger than3,150 ft²8% of homes14% of homes
Year builtnewer than191815% of homes16% of homes

About 4020 Gunderson Ave

How much is 4020 Gunderson Ave, Berwyn, IL worth?

The TopHap Estimate for 4020 Gunderson Ave, Berwyn, IL is $171,535 as of Aug 30, 2026. The likely range is $155,605 to $187,465. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4020 Gunderson Ave, Berwyn, IL last sell?

4020 Gunderson Ave, Berwyn, IL last sold on Jan 18, 2018 for $133,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4020 Gunderson Ave, Berwyn, IL?

4020 Gunderson Ave, Berwyn, IL has 2 bedrooms, 1 bathrooms, 768 square feet of living space and a 0.07-acre lot.

When was 4020 Gunderson Ave, Berwyn, IL built?

4020 Gunderson Ave, Berwyn, IL was built in 1918, making it 108 years old. The building has 1 story.

What schools serve 4020 Gunderson Ave, Berwyn, IL?

4020 Gunderson Ave, Berwyn, IL is assigned to Edison Elementary School (elementary), rated B+; Washington Middle School (middle), rated C-; J Sterling Morton West High School (high), rated B-. All sit in Lyons School District 103. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4020 Gunderson Ave, Berwyn, IL compare to other homes in Berwyn 60402?

Among the 16,192 homes in Berwyn 60402, it is worth more than 5% of them ($171,535 against a typical $294,466), its price per square foot is higher than 41% of them ($223 against a typical $234), it is bigger than 3% of them (768 ft² against a typical 1,363 ft²), its lot is bigger than 8% of them (3,150 ft² against a typical 4,138 ft²) and it is newer than 15% of them (1918 against a typical 1927). Measured against all of Cook County, it is worth more than 13% 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 4020 Gunderson Ave, Berwyn, IL?

The 2023 property tax bill for 4020 Gunderson Ave, Berwyn, IL was $2,281. The county assessed it at $8,500.

More homes on Gunderson Ave

Closest homes

More homes in Berwyn 60402

Assigned schools

Explore the area

See this home in context

Open 4020 Gunderson Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map