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Single Family ResidenceResidential
$421,526$245 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

604 FLAGG LN

WOODSTOCK, IL 60098
3
Beds
3 / 1
Baths
1,720 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1989
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$422K
$391K low$452K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,464 (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.$110,722 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,159
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,563
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100,128
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$332,166

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.0.50
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.Concrete
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes

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

E
Olson Elementary SchoolB+
Elementary · Grades 1–5 · 1.4 mi
M
Northwood Middle SchoolA-
Middle · Grades 6–8 · 1.6 mi
H
Woodstock North High SchoolA+
High · Grades 9–12 · 2.1 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

604 Flagg Ln 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 70% of homes in Woodstock 60098
  • Costs more per square foot than 86% of homes in Woodstock 60098
  • Has a bigger lot than 74% 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
$159K$876K

This home is worth more than 70% 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$421,526
CheaperTypical $340,857Pricier

Pricier than 70% of homes nearby

Price per ft²$245
CheaperTypical $194Pricier

Pricier than 86% of homes nearby

Living area1,720 ft²
SmallerTypical 1,740 ft²Bigger

Bigger than 49% of homes nearby

Lot size0.5 ac
SmallerTypical 0.25 acBigger

Bigger than 66% of homes nearby

Year built1989
OlderTypical 1988Newer

Newer than 52% of homes nearby

How 604 Flagg Ln ranks against every home in each area.
MeasureThis homeWoodstock 60098McHenry County
Estimated valuepricier than$421,52670% of homes64% of homes
Price per ft²pricier than$24586% of homes79% of homes
Living areabigger than1,720 ft²49% of homes48% of homes
Lot sizebigger than0.5 ac66% of homes74% of homes
Year builtnewer than198952% of homes49% of homes

About 604 Flagg Ln

How much is 604 Flagg Ln, Woodstock, IL worth?

The TopHap Estimate for 604 Flagg Ln, Woodstock, IL is $421,526 as of Sep 24, 2026. The likely range is $391,181 to $451,871. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 604 Flagg Ln, Woodstock, IL last sell?

604 Flagg Ln, Woodstock, IL last sold on Aug 1, 1997, according to the county's recorded deed.

How big is 604 Flagg Ln, Woodstock, IL?

604 Flagg Ln, Woodstock, IL has 3 bedrooms, 3 bathrooms, 1,720 square feet of living space and a 0.50-acre lot.

When was 604 Flagg Ln, Woodstock, IL built?

604 Flagg Ln, Woodstock, IL was built in 1989, making it 37 years old. It is a split level home. The building has 2 stories.

What schools serve 604 Flagg Ln, Woodstock, IL?

604 Flagg Ln, Woodstock, IL is assigned to Olson Elementary School (elementary), rated B+; Northwood Middle School (middle), rated A-; Woodstock North High School (high), 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 604 Flagg Ln, Woodstock, IL compare to other homes in Woodstock 60098?

Among the 10,845 homes in Woodstock 60098, it is worth more than 70% of them ($421,526 against a typical $340,857), its price per square foot is higher than 86% of them ($245 against a typical $194), it is bigger than 49% of them (1,720 ft² against a typical 1,740 ft²), its lot is bigger than 66% of them (0.5 ac against a typical 0.25 ac) and it is newer than 52% of them (1989 against a typical 1988). Measured against all of McHenry County, it is worth more than 64% 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 604 Flagg Ln, Woodstock, IL?

The 2024 property tax bill for 604 Flagg Ln, Woodstock, IL was $9,464. The county assessed it at $110,722.

More homes on Flagg Ln

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Assigned schools

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