Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$553,828$238 / 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 $289,000 on Jun 29, 2015

421 ALDEN DR

SYCAMORE, IL 60178
6
Beds
3.5
Baths
2,323 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$554K
$525K low$583K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$289,000 · Jun 29, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,332 (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.$180,757 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,572
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$165,185
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$169,948
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$542,271

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDEKALB
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 320 ft²

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.

E
North Grove Elementary SchoolB-
Elementary · Grades KG–5 · 0.5 mi
M
Sycamore Middle SchoolB-
Middle · Grades 6–8 · 1.3 mi
H
Sycamore High SchoolB+
High · Grades 9–12 · 2.9 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%

Owner Tools

Do you own this home?
Claim this home

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

421 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 95% of homes in DeKalb County
  • Bigger than 95% of homes in DeKalb County
  • Newer than 87% of homes in Sycamore 60178

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
$166K$649K

This home is worth more than 94% 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$553,828
CheaperTypical $318,847Pricier

Pricier than 94% of homes nearby

Price per ft²$238
CheaperTypical $236Pricier

Pricier than 52% of homes nearby

Living area2,323 ft²
SmallerTypical 1,320 ft²Bigger

Bigger than 94% of homes nearby

Lot size0.25 ac
SmallerTypical 0.25 acBigger

Bigger than 51% of homes nearby

Year built2006
OlderTypical 1991Newer

Newer than 87% of homes nearby

How 421 Alden Dr ranks against every home in each area.
MeasureThis homeSycamore 60178DeKalb County
Estimated valuepricier than$553,82894% of homes95% of homes
Price per ft²pricier than$23852% of homes51% of homes
Living areabigger than2,323 ft²94% of homes95% of homes
Lot sizebigger than0.25 ac51% of homes49% of homes
Year builtnewer than200687% of homes87% of homes

About 421 Alden Dr

How much is 421 Alden Dr, Sycamore, IL worth?

The TopHap Estimate for 421 Alden Dr, Sycamore, IL is $553,828 as of Aug 30, 2026. The likely range is $525,048 to $582,608. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Alden Dr, Sycamore, IL last sell?

421 Alden Dr, Sycamore, IL last sold on Jun 29, 2015 for $289,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 Alden Dr, Sycamore, IL?

421 Alden Dr, Sycamore, IL has 6 bedrooms, 3.5 bathrooms, 2,323 square feet of living space and a 0.25-acre lot.

When was 421 Alden Dr, Sycamore, IL built?

421 Alden Dr, Sycamore, IL was built in 2006, making it 20 years old. The building has 2 stories.

What schools serve 421 Alden Dr, Sycamore, IL?

421 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 421 Alden Dr, Sycamore, IL compare to other homes in Sycamore 60178?

Among the 7,688 homes in Sycamore 60178, it is worth more than 94% of them ($553,828 against a typical $318,847), its price per square foot is higher than 52% of them ($238 against a typical $236), it is bigger than 94% of them (2,323 ft² against a typical 1,320 ft²), its lot is bigger than 51% of them (0.25 ac against a typical 0.25 ac) and it is newer than 87% of them (2006 against a typical 1991). Measured against all of DeKalb 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 421 Alden Dr, Sycamore, IL?

The 2024 property tax bill for 421 Alden Dr, Sycamore, IL was $13,332. The county assessed it at $180,757.

More homes on Alden Dr

Closest homes

More homes in Sycamore 60178

Assigned schools

Explore the area

See this home in context

Open 421 Alden Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map