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Single Family ResidenceResidential
$493,937$197 / 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 Aug 30, 2026
Last sold for $331,500 on Oct 17, 2017

1821 RIDGEFIELD AVE

ALGONQUIN, IL 60102
4
Beds
0
Baths
2,501 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
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

$494K
$467K low$521K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$331,500 · Oct 17, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,252 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$152,518 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,988
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$123,530
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$139,387
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$457,737

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.12 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
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.33
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(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.

E
Westfield Community SchoolA-
Elementary · Grades KG–8 · 0.3 mi
H
Harry D. Jacobs High SchoolA-
High · Grades 9–12 · 1.7 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

1821 Ridgefield Ave 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 73% of homes in Kane County
  • Costs less per square foot than 66% of homes in Kane County
  • Bigger than 78% of homes in Kane County
  • Has a bigger lot than 71% of homes in Kane County
  • Newer than 67% of homes in Kane County

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
$243K$674K

This home is worth more than 68% 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$493,937
CheaperTypical $426,296Pricier

Pricier than 68% of homes nearby

Price per ft²$197
CheaperTypical $204Pricier

Pricier than 40% of homes nearby

Living area2,501 ft²
SmallerTypical 1,988 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.33 ac
SmallerTypical 0.27 acBigger

Bigger than 68% of homes nearby

Year built1995
OlderTypical 1993Newer

Newer than 61% of homes nearby

How 1821 Ridgefield Ave ranks against every home in each area.
MeasureThis homeAlgonquin 60102Kane County
Estimated valuepricier than$493,93768% of homes73% of homes
Price per ft²pricier than$19740% of homes34% of homes
Living areabigger than2,501 ft²70% of homes78% of homes
Lot sizebigger than0.33 ac68% of homes71% of homes
Year builtnewer than199561% of homes67% of homes

About 1821 Ridgefield Ave

How much is 1821 Ridgefield Ave, Algonquin, IL worth?

The TopHap Estimate for 1821 Ridgefield Ave, Algonquin, IL is $493,937 as of Aug 30, 2026. The likely range is $467,149 to $520,725. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1821 Ridgefield Ave, Algonquin, IL last sell?

1821 Ridgefield Ave, Algonquin, IL last sold on Oct 17, 2017 for $331,500, according to the county's recorded deed.

How big is 1821 Ridgefield Ave, Algonquin, IL?

1821 Ridgefield Ave, Algonquin, IL has 4 bedrooms, 2,501 square feet of living space and a 0.33-acre lot.

When was 1821 Ridgefield Ave, Algonquin, IL built?

1821 Ridgefield Ave, Algonquin, IL was built in 1995, making it 31 years old. The building has 2 stories.

What schools serve 1821 Ridgefield Ave, Algonquin, IL?

1821 Ridgefield Ave, Algonquin, IL is assigned to Westfield Community School (elementary), rated A-; Harry D. Jacobs High School (high), rated A-. All sit in Community Unit School District 300. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1821 Ridgefield Ave, Algonquin, IL compare to other homes in Algonquin 60102?

Among the 11,780 homes in Algonquin 60102, it is worth more than 68% of them ($493,937 against a typical $426,296), its price per square foot is higher than 40% of them ($197 against a typical $204), it is bigger than 70% of them (2,501 ft² against a typical 1,988 ft²), its lot is bigger than 68% of them (0.33 ac against a typical 0.27 ac) and it is newer than 61% of them (1995 against a typical 1993). Measured against all of Kane County, it is worth more than 73% 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 1821 Ridgefield Ave, Algonquin, IL?

The 2025 property tax bill for 1821 Ridgefield Ave, Algonquin, IL was $10,252. The county assessed it at $152,518.

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