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Single Family ResidenceResidential
$469,855$369 / 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 94How 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 $325,000 on May 23, 2003

3917 UNION RD

WOODSTOCK, IL 60098
0
Baths
1,272 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.
6.72 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$470K
$444K low$496K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · May 23, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,242 (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.$139,141 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$52,148
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$86,993
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$128,370
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$417,423

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.8 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
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyMcHenry
Lot (acres)The size of the land the home sits on, from county records.6.72
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central

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 · 2.9 mi
M
Marengo Community Middle SchoolB-
Middle · Grades 6–8 · 3.2 mi
E
Locust Elementary SchoolB+
Elementary · Grades PK–3 · 3.5 mi

District: Marengo-Union Elementary Consolidated District 165

Neighborhood · ZIP 60098These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.107
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.6.5%
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.37,082
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.351 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,128
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,700
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

3917 Union 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 79% of homes in Woodstock 60098
  • Among the highest price per square foot in Woodstock 60098
  • Smaller than 77% of homes in Woodstock 60098
  • Has a bigger lot than 97% of homes in McHenry County

What homes are worth in Woodstock 60098

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

This home
$158K$899K

This home is worth more than 79% of homes in Woodstock 60098.

How it measures up in Woodstock 60098

The dot is this home. The mark in the middle is the typical home in Woodstock 60098.

Estimated value$469,855
CheaperTypical $342,791Pricier

Pricier than 79% of homes nearby

Price per ft²$369
CheaperTypical $195Pricier

Pricier than almost all homes nearby

Living area1,272 ft²
SmallerTypical 1,741 ft²Bigger

Bigger than 23% of homes nearby

Lot size6.72 ac
SmallerTypical 0.25 acBigger

Bigger than 94% of homes nearby

Year built1980
OlderTypical 1988Newer

Newer than 44% of homes nearby

How 3917 Union Rd ranks against every home in each area.
MeasureThis homeWoodstock 60098McHenry County
Estimated valuepricier than$469,85579% of homes75% of homes
Price per ft²pricier than$369almost all homesalmost all homes
Living areabigger than1,272 ft²23% of homes24% of homes
Lot sizebigger than6.72 ac94% of homes97% of homes
Year builtnewer than198044% of homes39% of homes

About 3917 Union Rd

How much is 3917 Union Rd, Woodstock, IL worth?

The TopHap Estimate for 3917 Union Rd, Woodstock, IL is $469,855 as of Oct 21, 2026. The likely range is $443,525 to $496,185. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3917 Union Rd, Woodstock, IL last sell?

3917 Union Rd, Woodstock, IL last sold on May 23, 2003 for $325,000, according to the county's recorded deed.

How big is 3917 Union Rd, Woodstock, IL?

3917 Union Rd, Woodstock, IL has 1,272 square feet of living space and a 6.72-acre lot.

When was 3917 Union Rd, Woodstock, IL built?

3917 Union Rd, Woodstock, IL was built in 1980, making it 46 years old. It is a split level home. The building has 2 stories.

What schools serve 3917 Union Rd, Woodstock, IL?

3917 Union Rd, Woodstock, 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 3917 Union Rd, Woodstock, IL compare to other homes in Woodstock 60098?

Among the 10,846 homes in Woodstock 60098, it is worth more than 79% of them ($469,855 against a typical $342,791), its price per square foot is higher than almost all of them ($369 against a typical $195), it is bigger than 23% of them (1,272 ft² against a typical 1,741 ft²), its lot is bigger than 94% of them (6.72 ac against a typical 0.25 ac) and it is newer than 44% of them (1980 against a typical 1988). Measured against all of McHenry County, it is worth more than 75% 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 3917 Union Rd, Woodstock, IL?

The 2024 property tax bill for 3917 Union Rd, Woodstock, IL was $8,242. The county assessed it at $139,141.

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Assigned schools

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