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Single Family ResidenceResidential
$266,126$253 / 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 92How 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 $255,000 on Dec 15, 2025

421 SIMMS ST

AURORA, IL 60505
3
Beds
1
Baths
1,050 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1917
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$266K
$246K low$287K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,000 · Dec 15, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,657 (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.$63,991 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,920
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$59,071
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$58,498
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$192,050

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.0.90
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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(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
Rose E Krug Elementary SchoolC-
Elementary · Grades PK–5 · 0.7 mi
M
K D Waldo Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi
H
East High SchoolC-
High · Grades 9–12 · 1.0 mi

District: Aurora East Unit School District 131

Neighborhood · ZIP 60505These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.59

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.57,378
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,290 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,048
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$85,972
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

421 Simms St 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 less than 82% of homes in Kane County
  • Costs more per square foot than 89% of homes in Aurora 60505
  • Smaller than 88% of homes in Kane County
  • Has a smaller lot than 98% of homes in Kane County
  • Older than 90% of homes in Kane County

What homes are worth in Aurora 60505

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

This home
$129K$478K

This home is worth more than 73% of homes in Aurora 60505.

How it measures up in Aurora 60505

The dot is this home. The mark in the middle is the typical home in Aurora 60505.

Estimated value$266,126
CheaperTypical $230,614Pricier

Pricier than 73% of homes nearby

Price per ft²$253
CheaperTypical $192Pricier

Pricier than 89% of homes nearby

Living area1,050 ft²
SmallerTypical 1,230 ft²Bigger

Bigger than 34% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.17 acBigger

Bigger than 4% of homes nearby

Year built1917
OlderTypical 1931Newer

Newer than 33% of homes nearby

How 421 Simms St ranks against every home in each area.
MeasureThis homeSoutheastAurora 60505Kane County
Estimated valuepricier than$266,12679% of homes73% of homes18% of homes
Price per ft²pricier than$25384% of homes89% of homes79% of homes
Living areabigger than1,050 ft²40% of homes34% of homes12% of homes
Lot sizebigger than3,920 ft²3% of homes4% of homes2% of homes
Year builtnewer than191728% of homes33% of homes10% of homes

About 421 Simms St

How much is 421 Simms St, Aurora, IL worth?

The TopHap Estimate for 421 Simms St, Aurora, IL is $266,126 as of Aug 30, 2026. The likely range is $245,512 to $286,740. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Simms St, Aurora, IL last sell?

421 Simms St, Aurora, IL last sold on Dec 15, 2025 for $255,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 421 Simms St, Aurora, IL?

421 Simms St, Aurora, IL has 3 bedrooms, 1 bathrooms, 1,050 square feet of living space and a 0.90-acre lot.

When was 421 Simms St, Aurora, IL built?

421 Simms St, Aurora, IL was built in 1917, making it 109 years old. The building has 1 story.

What schools serve 421 Simms St, Aurora, IL?

421 Simms St, Aurora, IL is assigned to Rose E Krug Elementary School (elementary), rated C-; K D Waldo Middle School (middle), rated C-; East High School (high), rated C-. All sit in Aurora East Unit School District 131. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Simms St, Aurora, IL compare to other homes in Aurora 60505?

Among the 13,500 homes in Aurora 60505, it is worth more than 73% of them ($266,126 against a typical $230,614), its price per square foot is higher than 89% of them ($253 against a typical $192), it is bigger than 34% of them (1,050 ft² against a typical 1,230 ft²), its lot is bigger than 4% of them (3,920 ft² against a typical 0.17 ac) and it is newer than 33% of them (1917 against a typical 1931). Measured against all of Kane County, it is worth more than 18% 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 Simms St, Aurora, IL?

The 2025 property tax bill for 421 Simms St, Aurora, IL was $3,657. The county assessed it at $63,991.

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