Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$732,318$163 / 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

3911 UNION RD

WOODSTOCK, IL 60098
0
Baths
4,481 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.
6.01 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$732K
$696K low$768K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,110 (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.$184,758 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,842
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$134,916
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$170,457
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$554,274

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.14 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.6.01
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(3)

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 · 3.1 mi
M
Marengo Community Middle SchoolB-
Middle · Grades 6–8 · 3.3 mi
E
Locust Elementary SchoolB+
Elementary · Grades PK–3 · 3.6 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%

Owner Tools

Do you own this home?
Claim this home

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

3911 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 97% of homes in McHenry County
  • Costs less per square foot than 86% of homes in McHenry County
  • Bigger than 98% of homes in McHenry County
  • Has a bigger lot than 97% of homes in McHenry County
  • Newer than 87% 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 96% 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$732,318
CheaperTypical $342,791Pricier

Pricier than 96% of homes nearby

Price per ft²$163
CheaperTypical $195Pricier

Pricier than 18% of homes nearby

Living area4,481 ft²
SmallerTypical 1,741 ft²Bigger

Bigger than 97% of homes nearby

Lot size6.01 ac
SmallerTypical 0.25 acBigger

Bigger than 93% of homes nearby

Year built2003
OlderTypical 1988Newer

Newer than 79% of homes nearby

How 3911 Union Rd ranks against every home in each area.
MeasureThis homeWoodstock 60098McHenry County
Estimated valuepricier than$732,31896% of homes97% of homes
Price per ft²pricier than$16318% of homes14% of homes
Living areabigger than4,481 ft²97% of homes98% of homes
Lot sizebigger than6.01 ac93% of homes97% of homes
Year builtnewer than200379% of homes87% of homes

About 3911 Union Rd

How much is 3911 Union Rd, Woodstock, IL worth?

The TopHap Estimate for 3911 Union Rd, Woodstock, IL is $732,318 as of Oct 21, 2026. The likely range is $696,292 to $768,344. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3911 Union Rd, Woodstock, IL last sell?

3911 Union Rd, Woodstock, IL last sold on Sep 6, 2012, according to the county's recorded deed.

How big is 3911 Union Rd, Woodstock, IL?

3911 Union Rd, Woodstock, IL has 4,481 square feet of living space and a 6.01-acre lot.

When was 3911 Union Rd, Woodstock, IL built?

3911 Union Rd, Woodstock, IL was built in 2003, making it 23 years old. The building has 2 stories.

What schools serve 3911 Union Rd, Woodstock, IL?

3911 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 3911 Union Rd, Woodstock, IL compare to other homes in Woodstock 60098?

Among the 10,846 homes in Woodstock 60098, it is worth more than 96% of them ($732,318 against a typical $342,791), its price per square foot is higher than 18% of them ($163 against a typical $195), it is bigger than 97% of them (4,481 ft² against a typical 1,741 ft²), its lot is bigger than 93% of them (6.01 ac against a typical 0.25 ac) and it is newer than 79% of them (2003 against a typical 1988). Measured against all of McHenry County, it is worth more than 97% 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 3911 Union Rd, Woodstock, IL?

The 2024 property tax bill for 3911 Union Rd, Woodstock, IL was $11,110. The county assessed it at $184,758.

More homes on Union Rd

Closest homes

More homes in Woodstock 60098

Assigned schools

Explore the area

See this home in context

Open 3911 Union Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map