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Residential (General/Single)Residential
$521,097
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 87How 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 $281,500 on Mar 20, 2014

20402 RIVER RD

MARENGO, IL 60152
0
Baths
5.45 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$521K
$456K low$587K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$281,500 · Mar 20, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,520 (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.$110,978 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,655
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,323
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$97,829
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$332,934

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.5.45
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.

M
Marengo Community Middle SchoolC
Middle · Grades 6–8 · 2.1 mi
H
Marengo High SchoolA-
High · Grades 9–12 · 2.3 mi
E
Locust Elementary SchoolA
Elementary · Grades PK–3 · 2.4 mi

District: Marengo-Union Elementary Consolidated District 165

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%

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

20402 River 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 83% 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
$171K$744K

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$521,097
CheaperTypical $351,476Pricier

Pricier than 83% of homes nearby

Lot size5.45 ac
SmallerTypical 0.47 acBigger

Bigger than 87% of homes nearby

How 20402 River Rd ranks against every home in each area.
MeasureThis homeMarengo 60152McHenry County
Estimated valuepricier than$521,09783% of homes83% of homes
Lot sizebigger than5.45 ac87% of homes97% of homes

About 20402 River Rd

How much is 20402 River Rd, Marengo, IL worth?

The TopHap Estimate for 20402 River Rd, Marengo, IL is $521,097 as of Jul 14, 2026. The likely range is $455,525 to $586,669. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20402 River Rd, Marengo, IL last sell?

20402 River Rd, Marengo, IL last sold on Mar 20, 2014 for $281,500, according to the county's recorded deed.

What schools serve 20402 River Rd, Marengo, IL?

20402 River Rd, Marengo, IL is assigned to Marengo Community Middle School (middle), rated C; Marengo High School (high), rated A-; 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 20402 River Rd, 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 ($521,097 against a typical $351,476) and its lot is bigger than 87% of them (5.45 ac against a typical 0.47 ac). Measured against all of McHenry County, it is worth more than 83% 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 20402 River Rd, Marengo, IL?

The 2024 property tax bill for 20402 River Rd, Marengo, IL was $6,520. The county assessed it at $110,978.

More homes on River Rd

Closest homes

More homes in Marengo 60152

Assigned schools

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See this home in context

Open 20402 River Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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