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Single Family ResidentialResidential
$435,506$287 / 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 97How 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 $295,000 on May 17, 2021

821 ALDEN DR

SYCAMORE, IL 60178
1
Beds
1
Baths
1,520 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
2019
Year BuiltThe year the home was originally built, according to county records.
1
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$436K
$420K low$451K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$295,000 · May 17, 2021

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$127,607 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,588
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$113,019
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$119,977
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$382,821

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.15 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 Residential
CountyDeKalb
Lot (acres)The size of the land the home sits on, from county records.0.27
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.Retaining Wall
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

Transaction History(5)

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
North Grove Elementary SchoolB-
Elementary · Grades KG–5 · 0.2 mi
M
Sycamore Middle SchoolB-
Middle · Grades 6–8 · 1.5 mi
H
Sycamore High SchoolB+
High · Grades 9–12 · 3.1 mi

District: Sycamore Community Unit School District 427

Neighborhood · ZIP 60178These 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.69
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.9%
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.23,227
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.340 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,175
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,851
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.52%

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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 Alden Dr 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 87% of homes in DeKalb County
  • Costs more per square foot than 74% of homes in Sycamore 60178
  • Bigger than 65% of homes in DeKalb County
  • Among the newest homes in DeKalb County

What homes are worth in Sycamore 60178

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

This home
$160K$648K

This home is worth more than 78% of homes in Sycamore 60178.

How it measures up in Sycamore 60178

The dot is this home. The mark in the middle is the typical home in Sycamore 60178.

Estimated value$435,506
CheaperTypical $317,350Pricier

Pricier than 78% of homes nearby

Price per ft²$287
CheaperTypical $236Pricier

Pricier than 74% of homes nearby

Living area1,520 ft²
SmallerTypical 1,329 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.27 ac
SmallerTypical 0.25 acBigger

Bigger than 55% of homes nearby

Year built2019
OlderTypical 1991Newer

Newer than 98% of homes nearby

How 821 Alden Dr ranks against every home in each area.
MeasureThis homeSycamore 60178DeKalb County
Estimated valuepricier than$435,50678% of homes87% of homes
Price per ft²pricier than$28774% of homes74% of homes
Living areabigger than1,520 ft²63% of homes65% of homes
Lot sizebigger than0.27 ac55% of homes54% of homes
Year builtnewer than201998% of homesalmost all homes

About 821 Alden Dr

How much is 821 Alden Dr, Sycamore, IL worth?

The TopHap Estimate for 821 Alden Dr, Sycamore, IL is $435,506 as of Aug 30, 2026. The likely range is $420,391 to $450,621. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Alden Dr, Sycamore, IL last sell?

821 Alden Dr, Sycamore, IL last sold on May 17, 2021 for $295,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 821 Alden Dr, Sycamore, IL?

821 Alden Dr, Sycamore, IL has 1 bedrooms, 1 bathrooms, 1,520 square feet of living space and a 0.27-acre lot.

When was 821 Alden Dr, Sycamore, IL built?

821 Alden Dr, Sycamore, IL was built in 2019, making it 7 years old.

What schools serve 821 Alden Dr, Sycamore, IL?

821 Alden Dr, Sycamore, IL is assigned to North Grove Elementary School (elementary), rated B-; Sycamore Middle School (middle), rated B-; Sycamore High School (high), rated B+. All sit in Sycamore Community Unit School District 427. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Alden Dr, Sycamore, IL compare to other homes in Sycamore 60178?

Among the 7,686 homes in Sycamore 60178, it is worth more than 78% of them ($435,506 against a typical $317,350), its price per square foot is higher than 74% of them ($287 against a typical $236), it is bigger than 63% of them (1,520 ft² against a typical 1,329 ft²), its lot is bigger than 55% of them (0.27 ac against a typical 0.25 ac) and it is newer than 98% of them (2019 against a typical 1991). Measured against all of DeKalb County, it is worth more than 87% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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