Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$530,155$211 / 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 96How 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

620 ARMSTRONG CT N

BUFFALO GROVE, IL 60089
2
Baths
2,511 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$530K
$508K low$553K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,123 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$143,817 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$31,729
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$112,088
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$135,702
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,495

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.0.17
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 113 ft²

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
Earl Pritchett SchoolA+
Elementary · Grades KG–3 · 0.2 mi
M
Aptakisic Junior High SchoolA
Middle · Grades 6–8 · 1.3 mi
H
Adlai E Stevenson High SchoolA
High · Grades 9–12 · 3.0 mi

District: Aptakisic-Tripp Community Consolidated School District

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%

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

620 Armstrong Ct N 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 69% of homes in Buffalo Grove 60089
  • Costs less per square foot than 85% of homes in Buffalo Grove 60089
  • Bigger than 82% of homes in Buffalo Grove 60089
  • Has a smaller lot than 76% 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$951K

This home is worth more than 69% 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$530,155
CheaperTypical $445,709Pricier

Pricier than 69% of homes nearby

Price per ft²$211
CheaperTypical $256Pricier

Pricier than 15% of homes nearby

Living area2,511 ft²
SmallerTypical 1,684 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.16 ac
SmallerTypical 0.2 acBigger

Bigger than 24% of homes nearby

Year built1979
OlderTypical 1981Newer

Newer than 48% of homes nearby

How 620 Armstrong Ct N ranks against every home in each area.
MeasureThis homeBuffalo Grove 60089Lake County
Estimated valuepricier than$530,15569% of homes67% of homes
Price per ft²pricier than$21115% of homes36% of homes
Living areabigger than2,511 ft²82% of homes75% of homes
Lot sizebigger than0.16 ac24% of homes28% of homes
Year builtnewer than197948% of homes49% of homes

About 620 Armstrong Ct N

How much is 620 Armstrong Ct N, Buffalo Grove, IL worth?

The TopHap Estimate for 620 Armstrong Ct N, Buffalo Grove, IL is $530,155 as of Sep 24, 2026. The likely range is $507,750 to $552,560. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 620 Armstrong Ct N, Buffalo Grove, IL?

620 Armstrong Ct N, Buffalo Grove, IL has 2 bathrooms, 2,511 square feet of living space and a 0.17-acre lot.

When was 620 Armstrong Ct N, Buffalo Grove, IL built?

620 Armstrong Ct N, Buffalo Grove, IL was built in 1979, making it 47 years old. The building has 2 stories.

What schools serve 620 Armstrong Ct N, Buffalo Grove, IL?

620 Armstrong Ct N, Buffalo Grove, IL is assigned to Earl Pritchett School (elementary), rated A+; Aptakisic Junior High School (middle), rated A; Adlai E Stevenson High School (high), rated A. All sit in Aptakisic-Tripp Community Consolidated School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 620 Armstrong Ct N, 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 69% of them ($530,155 against a typical $445,709), its price per square foot is higher than 15% of them ($211 against a typical $256), it is bigger than 82% of them (2,511 ft² against a typical 1,684 ft²), its lot is bigger than 24% of them (0.16 ac against a typical 0.2 ac) and it is newer than 48% of them (1979 against a typical 1981). Measured against all of Lake County, it is worth more than 67% 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 620 Armstrong Ct N, Buffalo Grove, IL?

The 2024 property tax bill for 620 Armstrong Ct N, Buffalo Grove, IL was $12,123. The county assessed it at $143,817.

More homes on Armstrong Ct N

Closest homes

More homes in Buffalo Grove 60089

Assigned schools

Explore the area

See this home in context

Open 620 Armstrong Ct N 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