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Single Family ResidenceResidential
$258,375$210 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $125,000 on Feb 4, 2019

17506 JOHNSON ST

UNION, IL 60180
2
Baths
1,232 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.
0.41 ac
Lot SizeThe size of the land the home sits on, from county records.
1960
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$258K
$245K low$271K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Feb 4, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,150 (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.$102,040 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,647
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$88,393
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$92,277
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$306,120

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.5 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.Single Family Residence
CountyMCHENRY
Lot (acres)The size of the land the home sits on, from county records.0.41
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.Gas
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

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 SchoolB-
High · Grades 9–12 · 2.5 mi
M
Marengo Community Middle SchoolB-
Middle · Grades 6–8 · 2.9 mi
E
Locust Elementary SchoolB+
Elementary · Grades PK–3 · 3.1 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

17506 Johnson St 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 less than 85% of homes in Union 60180
  • Smaller than 93% of homes in Union 60180
  • Has a bigger lot than 69% of homes in McHenry County
  • Older than 81% 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
$182K$815K

This home is worth more than 15% 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$258,375
CheaperTypical $404,045Pricier

Pricier than 15% of homes nearby

Price per ft²$210
CheaperTypical $187Pricier

Pricier than 63% of homes nearby

Living area1,232 ft²
SmallerTypical 2,163 ft²Bigger

Bigger than 7% of homes nearby

Lot size0.41 ac
SmallerTypical 1.17 acBigger

Bigger than 33% of homes nearby

Year built1960
OlderTypical 1975Newer

Newer than 36% of homes nearby

How 17506 Johnson St ranks against every home in each area.
MeasureThis homeUnion 60180McHenry County
Estimated valuepricier than$258,37515% of homes17% of homes
Price per ft²pricier than$21063% of homes54% of homes
Living areabigger than1,232 ft²7% of homes22% of homes
Lot sizebigger than0.41 ac33% of homes69% of homes
Year builtnewer than196036% of homes19% of homes

About 17506 Johnson St

How much is 17506 Johnson St, Union, IL worth?

The TopHap Estimate for 17506 Johnson St, Union, IL is $258,375 as of Oct 21, 2026. The likely range is $245,377 to $271,373. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17506 Johnson St, Union, IL last sell?

17506 Johnson St, Union, IL last sold on Feb 4, 2019 for $125,000, according to the county's recorded deed.

How big is 17506 Johnson St, Union, IL?

17506 Johnson St, Union, IL has 2 bathrooms, 1,232 square feet of living space and a 0.41-acre lot.

When was 17506 Johnson St, Union, IL built?

17506 Johnson St, Union, IL was built in 1960, making it 66 years old. The building has 1 story.

What schools serve 17506 Johnson St, Union, IL?

17506 Johnson St, Union, IL is assigned to Marengo High School (high), rated B-; Marengo Community Middle School (middle), rated B-; Locust Elementary School (elementary), rated B+. All sit in Marengo-Union Elementary Consolidated District 165. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17506 Johnson St, Union, IL compare to other homes in Union 60180?

Among the 655 homes in Union 60180, it is worth more than 15% of them ($258,375 against a typical $404,045), its price per square foot is higher than 63% of them ($210 against a typical $187), it is bigger than 7% of them (1,232 ft² against a typical 2,163 ft²), its lot is bigger than 33% of them (0.41 ac against a typical 1.17 ac) and it is newer than 36% of them (1960 against a typical 1975). Measured against all of McHenry County, it is worth more than 17% 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 17506 Johnson St, Union, IL?

The 2024 property tax bill for 17506 Johnson St, Union, IL was $6,150. The county assessed it at $102,040.

More homes on Johnson St

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Assigned schools

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