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Single Family ResidenceResidential
$297,552$240 / 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 Jul 14, 2026

509 OPATRNY DR

FOX RIVER GROVE, IL 60021
3
Beds
2
Baths
1,241 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$298K
$270K low$325K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$297,552
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$238,042

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,587 (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.$84,725 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,492
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,233
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,776
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$254,175

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.30 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyMcHenry
HeatingThe type of heating system in the home.Forced Air
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Fox River Grove Middle SchoolB
Middle · Grades 5–8 · 0.1 mi
E
Algonquin Road Elementary SchoolA
Elementary · Grades PK–4 · 0.9 mi
H
Cary-Grove High SchoolA+
High · Grades 9–12 · 2.1 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

509 Opatrny Dr 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 73% of homes in Fox River Grove 60021
  • Costs more per square foot than 76% of homes in McHenry County
  • Smaller than 77% of homes in McHenry County
  • Older than 86% 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
$143K$794K

This home is worth more than 27% 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$297,552
CheaperTypical $383,222Pricier

Pricier than 27% of homes nearby

Price per ft²$240
CheaperTypical $223Pricier

Pricier than 67% of homes nearby

Living area1,241 ft²
SmallerTypical 1,770 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.26 ac
SmallerTypical 0.26 acBigger

Bigger than 50% of homes nearby

Year built1954
OlderTypical 1974Newer

Newer than 32% of homes nearby

How 509 Opatrny Dr ranks against every home in each area.
MeasureThis homeFox River Grove 60021McHenry County
Estimated valuepricier than$297,55227% of homes31% of homes
Price per ft²pricier than$24067% of homes76% of homes
Living areabigger than1,241 ft²24% of homes23% of homes
Lot sizebigger than0.26 ac50% of homes51% of homes
Year builtnewer than195432% of homes14% of homes

About 509 Opatrny Dr

How much is 509 Opatrny Dr, Fox River Grove, IL worth?

The TopHap Estimate for 509 Opatrny Dr, Fox River Grove, IL is $297,552 as of Jul 14, 2026. The likely range is $269,817 to $325,287. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 509 Opatrny Dr, Fox River Grove, IL?

509 Opatrny Dr, Fox River Grove, IL has 3 bedrooms, 2 bathrooms and 1,241 square feet of living space.

When was 509 Opatrny Dr, Fox River Grove, IL built?

509 Opatrny Dr, Fox River Grove, IL was built in 1954, making it 72 years old. It is a ranch home. The building has 1 story.

What schools serve 509 Opatrny Dr, Fox River Grove, IL?

509 Opatrny Dr, 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 509 Opatrny Dr, Fox River Grove, IL compare to other homes in Fox River Grove 60021?

Among the 2,063 homes in Fox River Grove 60021, it is worth more than 27% of them ($297,552 against a typical $383,222), its price per square foot is higher than 67% of them ($240 against a typical $223), it is bigger than 24% of them (1,241 ft² against a typical 1,770 ft²), its lot is bigger than 50% of them (0.26 ac against a typical 0.26 ac) and it is newer than 32% of them (1954 against a typical 1974). Measured against all of McHenry County, it is worth more than 31% 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 509 Opatrny Dr, Fox River Grove, IL?

The 2024 property tax bill for 509 Opatrny Dr, Fox River Grove, IL was $6,587. The county assessed it at $84,725.

Closest homes

More homes in Fox River Grove 60021

Assigned schools

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