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Single Family ResidenceResidential
$368,220$293 / 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 Sep 24, 2026
Last sold for $185,000 on Aug 11, 1999

640 AUDUBON ST

HOFFMAN ESTATES, IL 60169
4
Beds
1.5
Baths
1,255 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
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

$368K
$334K low$403K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$185,000 · Aug 11, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,882 (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.$36,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,508
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$28,492
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$29,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$360,000

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.34
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.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
65
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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyCOOK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1965
Lot (acres)The size of the land the home sits on, from county records.0.25
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
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

H
James B. Conant High SchoolA+
High · Grades 9–12 · 0.2 mi
E
Fairview Elementary SchoolA-
Elementary · Grades KG–6 · 0.3 mi
M
Keller Junior High SchoolA
Middle · Grades 7–8 · 1.9 mi

District: Township High School District 211

Neighborhood · ZIP 60169These 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.46
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 100.49

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
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.31,251
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,616 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$85,626
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$105,871
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 Audubon St 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.

  • Costs more per square foot than 77% of homes in Hoffman Estates 60169
  • Has a bigger lot than 71% of homes in Cook County
  • Older than 69% of homes in Hoffman Estates 60169

What homes are worth in Hoffman Estates 60169

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

This home
$146K$625K

This home is worth more than 52% of homes in Hoffman Estates 60169.

How it measures up in Hoffman Estates 60169

The dot is this home. The mark in the middle is the typical home in Hoffman Estates 60169.

Estimated value$368,220
CheaperTypical $364,378Pricier

Pricier than 52% of homes nearby

Price per ft²$293
CheaperTypical $244Pricier

Pricier than 77% of homes nearby

Living area1,255 ft²
SmallerTypical 1,272 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.25 ac
SmallerTypical 0.23 acBigger

Bigger than 57% of homes nearby

Year built1964
OlderTypical 1971Newer

Newer than 31% of homes nearby

How 640 Audubon St ranks against every home in each area.
MeasureThis homeHoffman Estates 60169Cook County
Estimated valuepricier than$368,22052% of homes56% of homes
Price per ft²pricier than$29377% of homes66% of homes
Living areabigger than1,255 ft²49% of homes37% of homes
Lot sizebigger than0.25 ac57% of homes71% of homes
Year builtnewer than196431% of homes58% of homes

About 640 Audubon St

How much is 640 Audubon St, Hoffman Estates, IL worth?

The TopHap Estimate for 640 Audubon St, Hoffman Estates, IL is $368,220 as of Sep 24, 2026. The likely range is $333,710 to $402,730. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Audubon St, Hoffman Estates, IL last sell?

640 Audubon St, Hoffman Estates, IL last sold on Aug 11, 1999 for $185,000, according to the county's recorded deed.

How big is 640 Audubon St, Hoffman Estates, IL?

640 Audubon St, Hoffman Estates, IL has 4 bedrooms, 1.5 bathrooms, 1,255 square feet of living space and a 0.25-acre lot.

When was 640 Audubon St, Hoffman Estates, IL built?

640 Audubon St, Hoffman Estates, IL was built in 1964, making it 62 years old. It is a split level home.

What schools serve 640 Audubon St, Hoffman Estates, IL?

640 Audubon St, Hoffman Estates, IL is assigned to James B. Conant High School (high), rated A+; Fairview Elementary School (elementary), rated A-; Keller Junior High School (middle), rated A. All sit in Township High School District 211. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Audubon St, Hoffman Estates, IL compare to other homes in Hoffman Estates 60169?

Among the 10,159 homes in Hoffman Estates 60169, it is worth more than 52% of them ($368,220 against a typical $364,378), its price per square foot is higher than 77% of them ($293 against a typical $244), it is bigger than 49% of them (1,255 ft² against a typical 1,272 ft²), its lot is bigger than 57% of them (0.25 ac against a typical 0.23 ac) and it is newer than 31% of them (1964 against a typical 1971). Measured against all of Cook County, it is worth more than 56% 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 Audubon St, Hoffman Estates, IL?

The 2023 property tax bill for 640 Audubon St, Hoffman Estates, IL was $7,882. The county assessed it at $36,000.

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