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Rural ResidenceResidential
$675,103$402 / 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 84How 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 $650,000 on Nov 18, 2025

11657 S IL ROUTE 23

MARENGO, IL 60152
6
Beds
0
Baths
1,680 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.
6 ac
Lot SizeThe size of the land the home sits on, from county records.
3
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$675K
$564K low$786K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$650,000 · Nov 18, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,787 (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.$116,591 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$10,830
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$105,761
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$116,591
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$349,773

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.27 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.6.00
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
HeatingThe type of heating system in the home.None

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 · 2.3 mi
H
Marengo High SchoolA-
High · Grades 9–12 · 6.3 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

11657 S Il Route 23 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 Marengo 60152
  • Among the highest price per square foot in McHenry County
  • Smaller than 75% of homes in Marengo 60152
  • Has a bigger lot than 97% of homes in McHenry County

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
$166K$764K

This home is worth more than 96% 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$675,103
CheaperTypical $352,258Pricier

Pricier than 96% of homes nearby

Price per ft²$402
CheaperTypical $201Pricier

Pricier than 98% of homes nearby

Living area1,680 ft²
SmallerTypical 2,228 ft²Bigger

Bigger than 25% of homes nearby

Lot size6 ac
SmallerTypical 0.48 acBigger

Bigger than 88% of homes nearby

How 11657 S Il Route 23 ranks against every home in each area.
MeasureThis homeMarengo 60152McHenry County
Estimated valuepricier than$675,10396% of homes96% of homes
Price per ft²pricier than$40298% of homesalmost all homes
Living areabigger than1,680 ft²25% of homes46% of homes
Lot sizebigger than6 ac88% of homes97% of homes

About 11657 S Il Route 23

How much is 11657 S Il Route 23, Marengo, IL worth?

The TopHap Estimate for 11657 S Il Route 23, Marengo, IL is $675,103 as of Jul 14, 2026. The likely range is $563,873 to $786,333. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11657 S Il Route 23, Marengo, IL last sell?

11657 S Il Route 23, Marengo, IL last sold on Nov 18, 2025 for $650,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 11657 S Il Route 23, Marengo, IL?

11657 S Il Route 23, Marengo, IL has 6 bedrooms, 1,680 square feet of living space and a 6.00-acre lot.

What schools serve 11657 S Il Route 23, Marengo, IL?

11657 S Il Route 23, 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 11657 S Il Route 23, Marengo, IL compare to other homes in Marengo 60152?

Among the 4,435 homes in Marengo 60152, it is worth more than 96% of them ($675,103 against a typical $352,258), its price per square foot is higher than 98% of them ($402 against a typical $201), it is bigger than 25% of them (1,680 ft² against a typical 2,228 ft²) and its lot is bigger than 88% of them (6 ac against a typical 0.48 ac). 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 11657 S Il Route 23, Marengo, IL?

The 2024 property tax bill for 11657 S Il Route 23, Marengo, IL was $5,787. The county assessed it at $116,591.

More homes on S Il Route 23

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