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Single Family ResidenceResidential
$231,250
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 75How 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

3603 15TH AVE

STERLING, IL 61081
0
Baths
0.78 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$231K
$173K low$289K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,483 (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.$69,640 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,028
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$57,612
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$65,556
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$208,920

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
75
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyWHITESIDE
Lot (acres)The size of the land the home sits on, from county records.0.78
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Franklin Elementary School
Elementary · Grades PK–2 · 0.8 mi
M
Challand Middle SchoolC-
Middle · Grades 6–8 · 1.4 mi
H
Sterling High SchoolC+
High · Grades 9–12 · 1.5 mi

District: Sterling Community Unit District 5

Neighborhood · ZIP 61081These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.39

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.21,065
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.171 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,565
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,958
Average tempThe average temperature here across a full year.49°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.55%

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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

3603 15th 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 84% of homes in Whiteside County
  • Has a bigger lot than 85% of homes in Sterling 61081

What homes are worth in Sterling 61081

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

This home
$46K$435K

This home is worth more than 81% of homes in Sterling 61081.

How it measures up in Sterling 61081

The dot is this home. The mark in the middle is the typical home in Sterling 61081.

Estimated value$231,250
CheaperTypical $135,770Pricier

Pricier than 81% of homes nearby

Lot size0.78 ac
SmallerTypical 0.22 acBigger

Bigger than 85% of homes nearby

How 3603 15th Ave ranks against every home in each area.
MeasureThis homeSterling 61081Whiteside County
Estimated valuepricier than$231,25081% of homes84% of homes
Lot sizebigger than0.78 ac85% of homes80% of homes

About 3603 15th Ave

How much is 3603 15th Ave, Sterling, IL worth?

The TopHap Estimate for 3603 15th Ave, Sterling, IL is $231,250 as of Aug 30, 2026. The likely range is $173,333 to $289,167. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3603 15th Ave, Sterling, IL last sell?

3603 15th Ave, Sterling, IL last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 3603 15th Ave, Sterling, IL?

3603 15th Ave, Sterling, IL is assigned to Franklin Elementary School (elementary); Challand Middle School (middle), rated C-; Sterling High School (high), rated C+. All sit in Sterling Community Unit District 5. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3603 15th Ave, Sterling, IL compare to other homes in Sterling 61081?

Among the 7,725 homes in Sterling 61081, it is worth more than 81% of them ($231,250 against a typical $135,770) and its lot is bigger than 85% of them (0.78 ac against a typical 0.22 ac). Measured against all of Whiteside County, it is worth more than 84% 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 3603 15th Ave, Sterling, IL?

The 2025 property tax bill for 3603 15th Ave, Sterling, IL was $4,483. The county assessed it at $69,640.

More homes on 15th Ave

Closest homes

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Assigned schools

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