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Single Family ResidenceResidential
$668,200$201 / 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 Aug 30, 2026

909 N RIVER RD

ALGONQUIN, IL 60102
4
Beds
3
Baths
3,328 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.
1.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1905
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$668K
$625K low$712K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,924 (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.$177,997 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,152
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$127,845
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$159,196
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$533,991

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.43 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.Cape Cod
CountyMcHenry
HeatingThe type of heating system in the home.Forced Air
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, Detached

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

M
Algonquin Middle SchoolB
Middle · Grades 6–8 · 0.8 mi
E
Eastview Elementary SchoolA
Elementary · Grades KG–5 · 0.9 mi
H
Dundee-Crown High SchoolB
High · Grades 9–12 · 2.6 mi

District: Community Unit School District 300

Neighborhood · ZIP 60102These 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.68
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.111
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.7%
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.29,705
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,882 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,290
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$145,923
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

909 N River 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 98% of homes in Algonquin 60102
  • Bigger than 93% of homes in Algonquin 60102
  • Has a bigger lot than 98% of homes in Algonquin 60102
  • Among the oldest homes in Algonquin 60102

What homes are worth in Algonquin 60102

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

This home
$240K$671K

This home is worth more than 98% of homes in Algonquin 60102.

How it measures up in Algonquin 60102

The dot is this home. The mark in the middle is the typical home in Algonquin 60102.

Estimated value$668,200
CheaperTypical $425,557Pricier

Pricier than 98% of homes nearby

Price per ft²$201
CheaperTypical $204Pricier

Pricier than 45% of homes nearby

Living area3,328 ft²
SmallerTypical 1,998 ft²Bigger

Bigger than 93% of homes nearby

Lot size1.52 ac
SmallerTypical 0.27 acBigger

Bigger than 98% of homes nearby

Year built1905
OlderTypical 1993Newer

Older than almost all homes nearby

How 909 N River Rd ranks against every home in each area.
MeasureThis homeAlgonquin 60102McHenry County
Estimated valuepricier than$668,20098% of homes95% of homes
Price per ft²pricier than$20145% of homes45% of homes
Living areabigger than3,328 ft²93% of homes92% of homes
Lot sizebigger than1.52 ac98% of homes90% of homes
Year builtnewer than1905almost no homes2% of homes

About 909 N River Rd

How much is 909 N River Rd, Algonquin, IL worth?

The TopHap Estimate for 909 N River Rd, Algonquin, IL is $668,200 as of Aug 30, 2026. The likely range is $624,636 to $711,764. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 909 N River Rd, Algonquin, IL last sell?

909 N River Rd, Algonquin, IL last sold on Oct 11, 2022, according to the county's recorded deed.

How big is 909 N River Rd, Algonquin, IL?

909 N River Rd, Algonquin, IL has 4 bedrooms, 3 bathrooms and 3,328 square feet of living space.

When was 909 N River Rd, Algonquin, IL built?

909 N River Rd, Algonquin, IL was built in 1905, making it 121 years old. It is a cape cod home. The building has 2 stories.

What schools serve 909 N River Rd, Algonquin, IL?

909 N River Rd, Algonquin, IL is assigned to Algonquin Middle School (middle), rated B; Eastview Elementary School (elementary), rated A; Dundee-Crown High School (high), rated B. All sit in Community Unit School District 300. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 909 N River Rd, Algonquin, IL compare to other homes in Algonquin 60102?

Among the 11,780 homes in Algonquin 60102, it is worth more than 98% of them ($668,200 against a typical $425,557), its price per square foot is higher than 45% of them ($201 against a typical $204), it is bigger than 93% of them (3,328 ft² against a typical 1,998 ft²), its lot is bigger than 98% of them (1.52 ac against a typical 0.27 ac) and it is newer than almost none of them (1905 against a typical 1993). Measured against all of McHenry County, it is worth more than 95% 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 909 N River Rd, Algonquin, IL?

The 2024 property tax bill for 909 N River Rd, Algonquin, IL was $13,924. The county assessed it at $177,997.

More homes on N River Rd

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