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Rural ResidenceResidential
$692,548$237 / 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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $550,000 on Nov 9, 2017

8102 LEECH RD

UNION, IL 60180
4 / 1
Baths
2,928 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.
40 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$693K
$568K low$818K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Nov 9, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,719 (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.$125,381 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$43,074
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$82,307
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,919
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$376,143

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.87 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyMcHenry
Lot (acres)The size of the land the home sits on, from county records.40.00
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 324 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.

H
Marengo High SchoolA-
High · Grades 9–12 · 4.2 mi
M
Marengo Community Middle SchoolC
Middle · Grades 6–8 · 4.6 mi
E
Locust Elementary SchoolA
Elementary · Grades PK–3 · 4.7 mi

District: Marengo-Union Elementary Consolidated District 165

Neighborhood · ZIP 60180These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
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.3,015
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.145 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$125,446
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,187
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

8102 Leech Rd 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 96% of homes in McHenry County
  • Costs more per square foot than 76% of homes in Union 60180
  • Bigger than 86% of homes in McHenry County
  • Among the largest lots in McHenry County
  • Older than 92% of homes in McHenry County

What homes are worth in Union 60180

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

This home
$165K$756K

This home is worth more than 94% of homes in Union 60180.

How it measures up in Union 60180

The dot is this home. The mark in the middle is the typical home in Union 60180.

Estimated value$692,548
CheaperTypical $396,996Pricier

Pricier than 94% of homes nearby

Price per ft²$237
CheaperTypical $189Pricier

Pricier than 76% of homes nearby

Living area2,928 ft²
SmallerTypical 2,116 ft²Bigger

Bigger than 72% of homes nearby

Lot size40 ac
SmallerTypical 1.17 acBigger

Bigger than 98% of homes nearby

Year built1940
OlderTypical 1975Newer

Newer than 26% of homes nearby

How 8102 Leech Rd ranks against every home in each area.
MeasureThis homeUnion 60180McHenry County
Estimated valuepricier than$692,54894% of homes96% of homes
Price per ft²pricier than$23776% of homes74% of homes
Living areabigger than2,928 ft²72% of homes86% of homes
Lot sizebigger than40 ac98% of homesalmost all homes
Year builtnewer than194026% of homes8% of homes

About 8102 Leech Rd

How much is 8102 Leech Rd, Union, IL worth?

The TopHap Estimate for 8102 Leech Rd, Union, IL is $692,548 as of Aug 30, 2026. The likely range is $567,554 to $817,542. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8102 Leech Rd, Union, IL last sell?

8102 Leech Rd, Union, IL last sold on Nov 9, 2017 for $550,000, according to the county's recorded deed.

How big is 8102 Leech Rd, Union, IL?

8102 Leech Rd, Union, IL has 4 bathrooms, 2,928 square feet of living space and a 40.00-acre lot.

When was 8102 Leech Rd, Union, IL built?

8102 Leech Rd, Union, IL was built in 1940, making it 86 years old. The building has 1 story.

What schools serve 8102 Leech Rd, Union, IL?

8102 Leech Rd, Union, IL is assigned to Marengo High School (high), rated A-; Marengo Community Middle School (middle), rated C; Locust Elementary School (elementary), rated A. All sit in Marengo-Union Elementary Consolidated District 165. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8102 Leech Rd, Union, IL compare to other homes in Union 60180?

Among the 652 homes in Union 60180, it is worth more than 94% of them ($692,548 against a typical $396,996), its price per square foot is higher than 76% of them ($237 against a typical $189), it is bigger than 72% of them (2,928 ft² against a typical 2,116 ft²), its lot is bigger than 98% of them (40 ac against a typical 1.17 ac) and it is newer than 26% of them (1940 against a typical 1975). Measured against all of McHenry County, it is worth more than 96% 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 8102 Leech Rd, Union, IL?

The 2024 property tax bill for 8102 Leech Rd, Union, IL was $7,719. The county assessed it at $125,381.

More homes on Leech Rd

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More homes in Union 60180

Assigned schools

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