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Single Family ResidenceResidential
$243,907$191 / 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 Aug 30, 2026
Last sold for $265,000 on May 11, 2026

821 CLAY ST

WOODSTOCK, IL 60098
3
Beds
1
Baths
1,278 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.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$244K
$230K low$258K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$265,000 · May 11, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,840 (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.$63,384 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,361
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$56,023
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$57,320
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$190,152

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.9 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)
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.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Woodstock High SchoolA+
High · Grades 9–12 · 0.8 mi
E
Westwood Elementary SchoolB+
Elementary · Grades 1–5 · 1.9 mi
M
Creekside Middle SchoolA+
Middle · Grades 6–8 · 3.0 mi

District: Woodstock Community Unit School District 200

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

821 Clay 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 86% of homes in McHenry County
  • Costs less per square foot than 65% of homes in McHenry County
  • Smaller than 76% of homes in Woodstock 60098
  • Has a bigger lot than 70% of homes in McHenry County
  • Older than 98% 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
$151K$859K

This home is worth more than 24% 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$243,907
CheaperTypical $335,402Pricier

Pricier than 24% of homes nearby

Price per ft²$191
CheaperTypical $193Pricier

Pricier than 48% of homes nearby

Living area1,278 ft²
SmallerTypical 1,741 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.41 ac
SmallerTypical 0.25 acBigger

Bigger than 63% of homes nearby

Year built1910
OlderTypical 1988Newer

Newer than 10% of homes nearby

How 821 Clay St ranks against every home in each area.
MeasureThis homeWoodstock 60098McHenry County
Estimated valuepricier than$243,90724% of homes14% of homes
Price per ft²pricier than$19148% of homes35% of homes
Living areabigger than1,278 ft²24% of homes25% of homes
Lot sizebigger than0.41 ac63% of homes70% of homes
Year builtnewer than191010% of homes2% of homes

About 821 Clay St

How much is 821 Clay St, Woodstock, IL worth?

The TopHap Estimate for 821 Clay St, Woodstock, IL is $243,907 as of Aug 30, 2026. The likely range is $230,237 to $257,577. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Clay St, Woodstock, IL last sell?

821 Clay St, Woodstock, IL last sold on May 11, 2026 for $265,000, according to the county's recorded deed.

How big is 821 Clay St, Woodstock, IL?

821 Clay St, Woodstock, IL has 3 bedrooms, 1 bathrooms, 1,278 square feet of living space and a 0.41-acre lot.

When was 821 Clay St, Woodstock, IL built?

821 Clay St, Woodstock, IL was built in 1910, making it 116 years old. The building has 1 story.

What schools serve 821 Clay St, Woodstock, IL?

821 Clay St, Woodstock, IL is assigned to Woodstock High School (high), rated A+; Westwood Elementary School (elementary), rated B+; Creekside Middle School (middle), rated A+. All sit in Woodstock Community Unit School District 200. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Clay St, Woodstock, IL compare to other homes in Woodstock 60098?

Among the 10,844 homes in Woodstock 60098, it is worth more than 24% of them ($243,907 against a typical $335,402), its price per square foot is higher than 48% of them ($191 against a typical $193), it is bigger than 24% of them (1,278 ft² against a typical 1,741 ft²), its lot is bigger than 63% of them (0.41 ac against a typical 0.25 ac) and it is newer than 10% of them (1910 against a typical 1988). Measured against all of McHenry County, it is worth more than 14% 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 821 Clay St, Woodstock, IL?

The 2024 property tax bill for 821 Clay St, Woodstock, IL was $5,840. The county assessed it at $63,384.

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