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Rural ResidenceResidential
$526,994$265 / 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 59How 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 $2,050,000 on Mar 28, 2023

17522 MARENGO RD

UNION, IL 60180
2
Baths
1,988 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.
7.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$527K
$312K low$742K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,050,000 · Mar 28, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,632 (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.$91,475 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$29,413
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,062
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$83,114
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$274,425

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.15 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.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Tlog Home
CountyMcHenry
Lot (acres)The size of the land the home sits on, from county records.7.20
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.None
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 · 80 ft²

Transaction History(3)

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 · 3.7 mi
E
Locust Elementary SchoolA
Elementary · Grades PK–3 · 4.0 mi
M
Marengo Community Middle SchoolC
Middle · Grades 6–8 · 4.1 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

17522 Marengo 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 84% of homes in McHenry County
  • Costs more per square foot than 88% of homes in Union 60180
  • Has a bigger lot than 97% of homes in McHenry County
  • Older than 97% 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
$175K$787K

This home is worth more than 79% 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$526,994
CheaperTypical $398,116Pricier

Pricier than 79% of homes nearby

Price per ft²$265
CheaperTypical $187Pricier

Pricier than 88% of homes nearby

Living area1,988 ft²
SmallerTypical 2,130 ft²Bigger

Bigger than 43% of homes nearby

Lot size7.2 ac
SmallerTypical 1.17 acBigger

Bigger than 85% of homes nearby

Year built1915
OlderTypical 1975Newer

Newer than 12% of homes nearby

How 17522 Marengo Rd ranks against every home in each area.
MeasureThis homeUnion 60180McHenry County
Estimated valuepricier than$526,99479% of homes84% of homes
Price per ft²pricier than$26588% of homes87% of homes
Living areabigger than1,988 ft²43% of homes60% of homes
Lot sizebigger than7.2 ac85% of homes97% of homes
Year builtnewer than191512% of homes3% of homes

About 17522 Marengo Rd

How much is 17522 Marengo Rd, Union, IL worth?

The TopHap Estimate for 17522 Marengo Rd, Union, IL is $526,994 as of Aug 30, 2026. The likely range is $312,252 to $741,736. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17522 Marengo Rd, Union, IL last sell?

17522 Marengo Rd, Union, IL last sold on Mar 28, 2023 for $2,050,000, according to the county's recorded deed.

How big is 17522 Marengo Rd, Union, IL?

17522 Marengo Rd, Union, IL has 2 bathrooms, 1,988 square feet of living space and a 7.20-acre lot.

When was 17522 Marengo Rd, Union, IL built?

17522 Marengo Rd, Union, IL was built in 1915, making it 111 years old. It is a tlog home home. The building has 1 story.

What schools serve 17522 Marengo Rd, Union, IL?

17522 Marengo Rd, Union, IL is assigned to Marengo High School (high), rated A-; Locust Elementary School (elementary), rated A; Marengo Community Middle School (middle), rated C. All sit in Marengo-Union Elementary Consolidated District 165. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17522 Marengo Rd, Union, IL compare to other homes in Union 60180?

Among the 652 homes in Union 60180, it is worth more than 79% of them ($526,994 against a typical $398,116), its price per square foot is higher than 88% of them ($265 against a typical $187), it is bigger than 43% of them (1,988 ft² against a typical 2,130 ft²), its lot is bigger than 85% of them (7.2 ac against a typical 1.17 ac) and it is newer than 12% of them (1915 against a typical 1975). Measured against all of McHenry County, it is worth more than 84% 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 17522 Marengo Rd, Union, IL?

The 2024 property tax bill for 17522 Marengo Rd, Union, IL was $5,632. The county assessed it at $91,475.

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