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Single Family ResidenceResidential
$677,345$217 / 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 89How 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 $675,000 on Aug 14, 2026

640 SILVER ROCK LN

BUFFALO GROVE, IL 60089
4
Beds
2.5
Baths
3,117 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$677K
$602K low$752K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · Aug 14, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,032 (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.$167,038 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,728
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$129,310
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$151,409
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$501,164

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyLAKE
Lot (acres)The size of the land the home sits on, from county records.0.21
CoolingThe type of cooling or air conditioning in the home.Central
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(6)

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
Ivy Hall Elementary SchoolA+
Elementary · Grades 1–5 · 0.5 mi
M
Twin Groves Middle SchoolA-
Middle · Grades 6–8 · 2.1 mi
H
Adlai E Stevenson High SchoolA
High · Grades 9–12 · 2.8 mi

District: Kildeer Countryside Community Consolidated School District 96

Neighborhood · ZIP 60089These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.121
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
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.38,562
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,926 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,362
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,226
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.36 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 Silver Rock Ln 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 more than 86% of homes in Buffalo Grove 60089
  • Costs less per square foot than 80% of homes in Buffalo Grove 60089
  • Bigger than 92% of homes in Buffalo Grove 60089
  • Older than 81% of homes in Buffalo Grove 60089

What homes are worth in Buffalo Grove 60089

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

This home
$154K$957K

This home is worth more than 86% of homes in Buffalo Grove 60089.

How it measures up in Buffalo Grove 60089

The dot is this home. The mark in the middle is the typical home in Buffalo Grove 60089.

Estimated value$677,345
CheaperTypical $445,652Pricier

Pricier than 86% of homes nearby

Price per ft²$217
CheaperTypical $254Pricier

Pricier than 20% of homes nearby

Living area3,117 ft²
SmallerTypical 1,694 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.21 ac
SmallerTypical 0.2 acBigger

Bigger than 52% of homes nearby

Year built1970
OlderTypical 1981Newer

Newer than 19% of homes nearby

How 640 Silver Rock Ln ranks against every home in each area.
MeasureThis homeBuffalo Grove 60089Lake County
Estimated valuepricier than$677,34586% of homes79% of homes
Price per ft²pricier than$21720% of homes40% of homes
Living areabigger than3,117 ft²92% of homes86% of homes
Lot sizebigger than0.21 ac52% of homes45% of homes
Year builtnewer than197019% of homes35% of homes

About 640 Silver Rock Ln

How much is 640 Silver Rock Ln, Buffalo Grove, IL worth?

The TopHap Estimate for 640 Silver Rock Ln, Buffalo Grove, IL is $677,345 as of Sep 24, 2026. The likely range is $602,465 to $752,225. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 640 Silver Rock Ln, Buffalo Grove, IL last sell?

640 Silver Rock Ln, Buffalo Grove, IL last sold on Aug 14, 2026 for $675,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 640 Silver Rock Ln, Buffalo Grove, IL?

640 Silver Rock Ln, Buffalo Grove, IL has 4 bedrooms, 2.5 bathrooms, 3,117 square feet of living space and a 0.21-acre lot.

When was 640 Silver Rock Ln, Buffalo Grove, IL built?

640 Silver Rock Ln, Buffalo Grove, IL was built in 1970, making it 56 years old. The building has 2 stories.

What schools serve 640 Silver Rock Ln, Buffalo Grove, IL?

640 Silver Rock Ln, Buffalo Grove, IL is assigned to Ivy Hall Elementary School (elementary), rated A+; Twin Groves Middle School (middle), rated A-; Adlai E Stevenson High School (high), rated A. All sit in Kildeer Countryside Community Consolidated School District 96. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 640 Silver Rock Ln, Buffalo Grove, IL compare to other homes in Buffalo Grove 60089?

Among the 15,667 homes in Buffalo Grove 60089, it is worth more than 86% of them ($677,345 against a typical $445,652), its price per square foot is higher than 20% of them ($217 against a typical $254), it is bigger than 92% of them (3,117 ft² against a typical 1,694 ft²), its lot is bigger than 52% of them (0.21 ac against a typical 0.2 ac) and it is newer than 19% of them (1970 against a typical 1981). Measured against all of Lake County, it is worth more than 79% 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 Silver Rock Ln, Buffalo Grove, IL?

The 2025 property tax bill for 640 Silver Rock Ln, Buffalo Grove, IL was $15,032. The county assessed it at $167,038.

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