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Single Family ResidenceResidential
$273,417$200 / 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 55How 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

421 CONCORD AVE

FOX RIVER GROVE, IL 60021
1
Baths
1,364 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1922
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$273K
$152K low$395K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,016 (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.$81,204 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,529
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,675
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$72,627
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$243,612

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.Ranch
CountyMcHenry
HeatingThe type of heating system in the home.Hot Water

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Fox River Grove Middle SchoolB
Middle · Grades 5–8 · 0.3 mi
E
Algonquin Road Elementary SchoolA
Elementary · Grades PK–4 · 0.6 mi
H
Cary-Grove High SchoolA+
High · Grades 9–12 · 2.2 mi

District: Community High School District 155

Neighborhood · ZIP 60021These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.4,143
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,790 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,036
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,388
Average tempThe average temperature here across a full year.48°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

421 Concord 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 85% of homes in Fox River Grove 60021
  • Costs less per square foot than 82% of homes in Fox River Grove 60021
  • Smaller than 71% of homes in Fox River Grove 60021
  • Older than 96% of homes in McHenry County

What homes are worth in Fox River Grove 60021

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

This home
$153K$842K

This home is worth more than 15% of homes in Fox River Grove 60021.

How it measures up in Fox River Grove 60021

The dot is this home. The mark in the middle is the typical home in Fox River Grove 60021.

Estimated value$273,417
CheaperTypical $404,291Pricier

Pricier than 15% of homes nearby

Price per ft²$200
CheaperTypical $234Pricier

Pricier than 18% of homes nearby

Living area1,364 ft²
SmallerTypical 1,789 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.27 ac
SmallerTypical 0.26 acBigger

Bigger than 53% of homes nearby

Year built1922
OlderTypical 1974Newer

Newer than 9% of homes nearby

How 421 Concord Ave ranks against every home in each area.
MeasureThis homeFox River Grove 60021McHenry County
Estimated valuepricier than$273,41715% of homes22% of homes
Price per ft²pricier than$20018% of homes45% of homes
Living areabigger than1,364 ft²29% of homes30% of homes
Lot sizebigger than0.27 ac53% of homes54% of homes
Year builtnewer than19229% of homes4% of homes

About 421 Concord Ave

How much is 421 Concord Ave, Fox River Grove, IL worth?

The TopHap Estimate for 421 Concord Ave, Fox River Grove, IL is $273,417 as of Sep 24, 2026. The likely range is $151,713 to $395,121. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 421 Concord Ave, Fox River Grove, IL?

421 Concord Ave, Fox River Grove, IL has 1 bathrooms and 1,364 square feet of living space.

When was 421 Concord Ave, Fox River Grove, IL built?

421 Concord Ave, Fox River Grove, IL was built in 1922, making it 104 years old. It is a ranch home. The building has 1 story.

What schools serve 421 Concord Ave, Fox River Grove, IL?

421 Concord Ave, Fox River Grove, IL is assigned to Fox River Grove Middle School (middle), rated B; Algonquin Road Elementary School (elementary), rated A; Cary-Grove High School (high), rated A+. All sit in Community High School District 155. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Concord Ave, Fox River Grove, IL compare to other homes in Fox River Grove 60021?

Among the 2,064 homes in Fox River Grove 60021, it is worth more than 15% of them ($273,417 against a typical $404,291), its price per square foot is higher than 18% of them ($200 against a typical $234), it is bigger than 29% of them (1,364 ft² against a typical 1,789 ft²), its lot is bigger than 53% of them (0.27 ac against a typical 0.26 ac) and it is newer than 9% of them (1922 against a typical 1974). Measured against all of McHenry County, it is worth more than 22% 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 421 Concord Ave, Fox River Grove, IL?

The 2024 property tax bill for 421 Concord Ave, Fox River Grove, IL was $7,016. The county assessed it at $81,204.

More homes on Concord Ave

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Assigned schools

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