Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$266,849$265 / 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 86How 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

4230 GUNDERSON AVE

BERWYN, IL 60402
3
Beds
1
Baths
1,008 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.
3,750 ft²
Lot SizeThe size of the land the home sits on, from county records.
1961
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$267K
$230K low$304K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,678 (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.$18,596 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,375
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$15,221
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$185,960

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.48
60
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%

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.Bungalow
CountyCOOK
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.Masonry/Concrete Masonry Units (Cmus)
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(1)

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
Edison Elementary SchoolB-
Elementary · Grades PK–5 · 0.2 mi
M
Washington Middle SchoolD
Middle · Grades 6–8 · 1.9 mi
H
J Sterling Morton West High SchoolD
High · Grades 9–12 · 2.3 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

4230 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 72% of homes in Berwyn 60402
  • Costs more per square foot than 72% of homes in Berwyn 60402
  • Smaller than 85% of homes in Cook County
  • Has a smaller lot than 76% of homes in Berwyn 60402
  • Newer than 89% 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
$129K$483K

This home is worth more than 28% 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$266,849
CheaperTypical $295,477Pricier

Pricier than 28% of homes nearby

Price per ft²$265
CheaperTypical $235Pricier

Pricier than 72% of homes nearby

Living area1,008 ft²
SmallerTypical 1,373 ft²Bigger

Bigger than 20% of homes nearby

Lot size3,750 ft²
SmallerTypical 4,138 ft²Bigger

Bigger than 24% of homes nearby

Year built1961
OlderTypical 1927Newer

Newer than 89% of homes nearby

How 4230 Gunderson Ave ranks against every home in each area.
MeasureThis homeBerwyn 60402Cook County
Estimated valuepricier than$266,84928% of homes34% of homes
Price per ft²pricier than$26572% of homes57% of homes
Living areabigger than1,008 ft²20% of homes15% of homes
Lot sizebigger than3,750 ft²24% of homes24% of homes
Year builtnewer than196189% of homes54% of homes

About 4230 Gunderson Ave

How much is 4230 Gunderson Ave, Berwyn, IL worth?

The TopHap Estimate for 4230 Gunderson Ave, Berwyn, IL is $266,849 as of Sep 24, 2026. The likely range is $229,704 to $303,994. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4230 Gunderson Ave, Berwyn, IL last sell?

4230 Gunderson Ave, Berwyn, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4230 Gunderson Ave, Berwyn, IL?

4230 Gunderson Ave, Berwyn, IL has 3 bedrooms, 1 bathrooms, 1,008 square feet of living space and a 0.09-acre lot.

When was 4230 Gunderson Ave, Berwyn, IL built?

4230 Gunderson Ave, Berwyn, IL was built in 1961, making it 65 years old. It is a bungalow home. The building has 1 story.

What schools serve 4230 Gunderson Ave, Berwyn, IL?

4230 Gunderson Ave, Berwyn, IL is assigned to Edison Elementary School (elementary), rated B-; Washington Middle School (middle), rated D; J Sterling Morton West High School (high), rated D. All sit in Lyons School District 103. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4230 Gunderson Ave, Berwyn, IL compare to other homes in Berwyn 60402?

Among the 16,219 homes in Berwyn 60402, it is worth more than 28% of them ($266,849 against a typical $295,477), its price per square foot is higher than 72% of them ($265 against a typical $235), it is bigger than 20% of them (1,008 ft² against a typical 1,373 ft²), its lot is bigger than 24% of them (3,750 ft² against a typical 4,138 ft²) and it is newer than 89% of them (1961 against a typical 1927). Measured against all of Cook County, it is worth more than 34% 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 4230 Gunderson Ave, Berwyn, IL?

The 2023 property tax bill for 4230 Gunderson Ave, Berwyn, IL was $4,678. The county assessed it at $18,596.

More homes on Gunderson Ave

Closest homes

More homes in Berwyn 60402

Assigned schools

Explore the area

See this home in context

Open 4230 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