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Single Family ResidentialResidential
$49,698$108 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $8,000 on Dec 1, 1987

3516 20TH AVE

ROCK ISLAND, IL 61201
1
Beds
1
Baths
462 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1919
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$50K
$47K low$53K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$8,000 · Dec 1, 1987
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.134%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$40,000
BANK ONE NA · recorded Apr 6, 2004
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$24,450
IH MS VLY CU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$967 (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.$17,661 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,969
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,692
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,278
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$52,983

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residential
CountyROCK ISLAND
Lot (acres)The size of the land the home sits on, from county records.0.15
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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.

M
Washington Jr High SchoolC
Middle · Grades 7–8 · 0.2 mi
E
Denkmann Elementary SchoolB
Elementary · Grades KG–6 · 0.3 mi
H
Rock Island High SchoolD-
High · Grades 9–12 · 1.4 mi

District: Rock Island School District 41

Neighborhood · ZIP 61201These 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.114
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.32

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
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.36,708
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,955 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,990
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$78,271
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

3516 20th 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.

  • Among the least valuable homes in East Central
  • Costs less per square foot than 65% of homes in East Central
  • Among the smallest homes in East Central
  • Has a smaller lot than 74% of homes in Rock Island County
  • Older than 95% of homes in East Central

What homes are worth in Rock Island 61201

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

This home
$34K$359K

This home is worth more than 10% of homes in Rock Island 61201.

How it measures up in Rock Island 61201

The dot is this home. The mark in the middle is the typical home in Rock Island 61201.

Estimated value$49,698
CheaperTypical $118,870Pricier

Pricier than 10% of homes nearby

Price per ft²$108
CheaperTypical $96Pricier

Pricier than 60% of homes nearby

Living area462 ft²
SmallerTypical 1,250 ft²Bigger

Smaller than almost all homes nearby

Lot size0.15 ac
SmallerTypical 0.16 acBigger

Bigger than 38% of homes nearby

Year built1919
OlderTypical 1940Newer

Newer than 26% of homes nearby

How 3516 20th Ave ranks against every home in each area.
MeasureThis homeEast CentralRock Island 61201Rock Island County
Estimated valuepricier than$49,698almost no homes10% of homes4% of homes
Price per ft²pricier than$10835% of homes60% of homes38% of homes
Living areabigger than462 ft²almost no homesalmost no homesalmost no homes
Lot sizebigger than0.15 ac56% of homes38% of homes26% of homes
Year builtnewer than19195% of homes26% of homes17% of homes

About 3516 20th Ave

How much is 3516 20th Ave, Rock Island, IL worth?

The TopHap Estimate for 3516 20th Ave, Rock Island, IL is $49,698 as of Jul 14, 2026. The likely range is $46,809 to $52,587. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3516 20th Ave, Rock Island, IL last sell?

3516 20th Ave, Rock Island, IL last sold on Dec 1, 1987 for $8,000, according to the county's recorded deed.

How big is 3516 20th Ave, Rock Island, IL?

3516 20th Ave, Rock Island, IL has 1 bedrooms, 1 bathrooms, 462 square feet of living space and a 0.15-acre lot.

When was 3516 20th Ave, Rock Island, IL built?

3516 20th Ave, Rock Island, IL was built in 1919, making it 107 years old. The building has 1 story.

What schools serve 3516 20th Ave, Rock Island, IL?

3516 20th Ave, Rock Island, IL is assigned to Washington Jr High School (middle), rated C; Denkmann Elementary School (elementary), rated B; Rock Island High School (high), rated D-. All sit in Rock Island School District 41. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3516 20th Ave, Rock Island, IL compare to other homes in Rock Island 61201?

Among the 13,020 homes in Rock Island 61201, it is worth more than 10% of them ($49,698 against a typical $118,870), its price per square foot is higher than 60% of them ($108 against a typical $96), it is bigger than almost none of them (462 ft² against a typical 1,250 ft²), its lot is bigger than 38% of them (0.15 ac against a typical 0.16 ac) and it is newer than 26% of them (1919 against a typical 1940). Measured against all of Rock Island County, it is worth more than 4% 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 3516 20th Ave, Rock Island, IL?

The 2025 property tax bill for 3516 20th Ave, Rock Island, IL was $967. The county assessed it at $17,661.

Closest homes

More homes in Rock Island 61201

Assigned schools

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