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Residential (General/Single)Residential
$519,000$299 / 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 97How 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
Last sold for $499,000 on Aug 17, 2026

18878 RIDGE LN

MARENGO, IL 60152
1.5
Baths
1,738 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.
1.3 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$519K
$504K low$534K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$499,000 · Aug 17, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,792 (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.$101,668 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,699
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$82,969
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$91,941
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,004

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.29 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.Residential (General/Single)
CountyMCHENRY
Lot (acres)The size of the land the home sits on, from county records.1.30
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
Riley SchoolB+
Elementary · Grades KG–8 · 3.6 mi
H
Marengo High SchoolA-
High · Grades 9–12 · 5.0 mi

District: Riley Community Consolidated School District 18

Neighborhood · ZIP 60152These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.12,669
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.134 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$100,828
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,862
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

18878 Ridge Ln 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 83% of homes in Marengo 60152
  • Costs more per square foot than 95% of homes in McHenry County
  • Smaller than 72% of homes in Marengo 60152
  • Has a bigger lot than 89% of homes in McHenry County
  • Older than 72% of homes in Marengo 60152

What homes are worth in Marengo 60152

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

This home
$170K$764K

This home is worth more than 83% of homes in Marengo 60152.

How it measures up in Marengo 60152

The dot is this home. The mark in the middle is the typical home in Marengo 60152.

Estimated value$519,000
CheaperTypical $352,252Pricier

Pricier than 83% of homes nearby

Price per ft²$299
CheaperTypical $201Pricier

Pricier than 88% of homes nearby

Living area1,738 ft²
SmallerTypical 2,215 ft²Bigger

Bigger than 28% of homes nearby

Lot size1.3 ac
SmallerTypical 0.49 acBigger

Bigger than 65% of homes nearby

Year built1975
OlderTypical 1992Newer

Newer than 28% of homes nearby

How 18878 Ridge Ln ranks against every home in each area.
MeasureThis homeMarengo 60152McHenry County
Estimated valuepricier than$519,00083% of homes82% of homes
Price per ft²pricier than$29988% of homes95% of homes
Living areabigger than1,738 ft²28% of homes49% of homes
Lot sizebigger than1.3 ac65% of homes89% of homes
Year builtnewer than197528% of homes31% of homes

About 18878 Ridge Ln

How much is 18878 Ridge Ln, Marengo, IL worth?

The TopHap Estimate for 18878 Ridge Ln, Marengo, IL is $519,000 as of Jul 14, 2026. The likely range is $504,238 to $533,762. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18878 Ridge Ln, Marengo, IL last sell?

18878 Ridge Ln, Marengo, IL last sold on Aug 17, 2026 for $499,000, according to the county's recorded deed.

How big is 18878 Ridge Ln, Marengo, IL?

18878 Ridge Ln, Marengo, IL has 1.5 bathrooms, 1,738 square feet of living space and a 1.30-acre lot.

When was 18878 Ridge Ln, Marengo, IL built?

18878 Ridge Ln, Marengo, IL was built in 1975, making it 51 years old. The building has 2 stories.

What schools serve 18878 Ridge Ln, Marengo, IL?

18878 Ridge Ln, Marengo, IL is assigned to Riley School (elementary), rated B+; Marengo High School (high), rated A-. All sit in Riley Community Consolidated School District 18. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18878 Ridge Ln, Marengo, IL compare to other homes in Marengo 60152?

Among the 4,435 homes in Marengo 60152, it is worth more than 83% of them ($519,000 against a typical $352,252), its price per square foot is higher than 88% of them ($299 against a typical $201), it is bigger than 28% of them (1,738 ft² against a typical 2,215 ft²), its lot is bigger than 65% of them (1.3 ac against a typical 0.49 ac) and it is newer than 28% of them (1975 against a typical 1992). Measured against all of McHenry County, it is worth more than 82% 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 18878 Ridge Ln, Marengo, IL?

The 2024 property tax bill for 18878 Ridge Ln, Marengo, IL was $4,792. The county assessed it at $101,668.

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