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Single Family ResidenceResidential
$298,410$146 / 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 93How 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 $315,000 on Jan 26, 2026

640 FOREST AVE

ELGIN, IL 60120
1
Baths
2,048 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
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

$298K
$278K low$319K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,000 · Jan 26, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,539 (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.$93,711 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,573
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$73,138
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$86,314
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$281,245

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.23
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.

M
Ellis Middle SchoolD
Middle · Grades 7–8 · 0.4 mi
E
Lords Park Elementary SchoolD
Elementary · Grades KG–6 · 0.8 mi
H
Elgin High SchoolD
High · Grades 9–12 · 1.4 mi

District: School District U-46

Neighborhood · ZIP 60120These 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.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.47

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.51,977
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,108 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,556
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,612
Average tempThe average temperature here across a full year.48°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

640 Forest 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 71% of homes in Kane County
  • Costs less per square foot than 95% of homes in Kane County
  • Bigger than 83% of homes in Elgin 60120
  • Has a bigger lot than 66% of homes in Elgin 60120
  • Older than 98% of homes in Kane County

What homes are worth in Elgin 60120

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

This home
$171K$609K

This home is worth more than 58% of homes in Elgin 60120.

How it measures up in Elgin 60120

The dot is this home. The mark in the middle is the typical home in Elgin 60120.

Estimated value$298,410
CheaperTypical $285,139Pricier

Pricier than 58% of homes nearby

Price per ft²$146
CheaperTypical $205Pricier

Pricier than 8% of homes nearby

Living area2,048 ft²
SmallerTypical 1,428 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.23 ac
SmallerTypical 0.2 acBigger

Bigger than 66% of homes nearby

Year built1890
OlderTypical 1969Newer

Newer than 5% of homes nearby

How 640 Forest Ave ranks against every home in each area.
MeasureThis homeElgin 60120Kane County
Estimated valuepricier than$298,41058% of homes29% of homes
Price per ft²pricier than$1468% of homes5% of homes
Living areabigger than2,048 ft²83% of homes63% of homes
Lot sizebigger than0.23 ac66% of homes45% of homes
Year builtnewer than18905% of homes2% of homes

About 640 Forest Ave

How much is 640 Forest Ave, Elgin, IL worth?

The TopHap Estimate for 640 Forest Ave, Elgin, IL is $298,410 as of Sep 24, 2026. The likely range is $277,725 to $319,095. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Forest Ave, Elgin, IL last sell?

640 Forest Ave, Elgin, IL last sold on Jan 26, 2026 for $315,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 640 Forest Ave, Elgin, IL?

640 Forest Ave, Elgin, IL has 1 bathrooms, 2,048 square feet of living space and a 0.23-acre lot.

When was 640 Forest Ave, Elgin, IL built?

640 Forest Ave, Elgin, IL was built in 1890, making it 136 years old. The building has 2 stories.

What schools serve 640 Forest Ave, Elgin, IL?

640 Forest Ave, Elgin, IL is assigned to Ellis Middle School (middle), rated D; Lords Park Elementary School (elementary), rated D; Elgin High School (high), rated D. All sit in School District U-46. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Forest Ave, Elgin, IL compare to other homes in Elgin 60120?

Among the 13,139 homes in Elgin 60120, it is worth more than 58% of them ($298,410 against a typical $285,139), its price per square foot is higher than 8% of them ($146 against a typical $205), it is bigger than 83% of them (2,048 ft² against a typical 1,428 ft²), its lot is bigger than 66% of them (0.23 ac against a typical 0.2 ac) and it is newer than 5% of them (1890 against a typical 1969). Measured against all of Kane County, it is worth more than 29% 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 640 Forest Ave, Elgin, IL?

The 2025 property tax bill for 640 Forest Ave, Elgin, IL was $6,539. The county assessed it at $93,711.

More homes on Forest Ave

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More homes in Elgin 60120

Assigned schools

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