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Single Family ResidentialResidential
$191,082$68 / 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 Jul 14, 2026

3601 20TH AVE

ROCK ISLAND, IL 61201
4
Baths
2,790 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1936
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$191K
$175K low$207K high
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.96%
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.$120,000
GUARANTEED RATE INC · recorded Feb 25, 2022
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.$80,600
US BANK NA

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,052 (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.$50,487 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,688
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$38,799
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,531
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$151,461

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.0.12
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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 · 1.5 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.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3601 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.

  • Worth more than 95% of homes in East Central
  • Among the lowest price per square foot in East Central
  • Among the largest homes in East Central
  • Has a smaller lot than 86% of homes in Rock Island County
  • Older than 69% of homes in Rock Island County

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
$33K$336K

This home is worth more than 87% 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$191,082
CheaperTypical $118,637Pricier

Pricier than 87% of homes nearby

Price per ft²$68
CheaperTypical $96Pricier

Pricier than 28% of homes nearby

Living area2,790 ft²
SmallerTypical 1,257 ft²Bigger

Bigger than 96% of homes nearby

Lot size0.12 ac
SmallerTypical 0.16 acBigger

Bigger than 23% of homes nearby

Year built1936
OlderTypical 1940Newer

Newer than 47% of homes nearby

How 3601 20th Ave ranks against every home in each area.
MeasureThis homeEast CentralRock Island 61201Rock Island County
Estimated valuepricier than$191,08295% of homes87% of homes68% of homes
Price per ft²pricier than$68almost no homes28% of homes13% of homes
Living areabigger than2,790 ft²almost all homes96% of homes96% of homes
Lot sizebigger than0.12 ac27% of homes23% of homes14% of homes
Year builtnewer than193634% of homes47% of homes31% of homes

About 3601 20th Ave

How much is 3601 20th Ave, Rock Island, IL worth?

The TopHap Estimate for 3601 20th Ave, Rock Island, IL is $191,082 as of Jul 14, 2026. The likely range is $175,342 to $206,822. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3601 20th Ave, Rock Island, IL last sell?

3601 20th Ave, Rock Island, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 3601 20th Ave, Rock Island, IL?

3601 20th Ave, Rock Island, IL has 4 bathrooms, 2,790 square feet of living space and a 0.12-acre lot.

When was 3601 20th Ave, Rock Island, IL built?

3601 20th Ave, Rock Island, IL was built in 1936, making it 90 years old. The building has 1 story.

What schools serve 3601 20th Ave, Rock Island, IL?

3601 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 3601 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 87% of them ($191,082 against a typical $118,637), its price per square foot is higher than 28% of them ($68 against a typical $96), it is bigger than 96% of them (2,790 ft² against a typical 1,257 ft²), its lot is bigger than 23% of them (0.12 ac against a typical 0.16 ac) and it is newer than 47% of them (1936 against a typical 1940). Measured against all of Rock Island County, it is worth more than 68% 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 3601 20th Ave, Rock Island, IL?

The 2025 property tax bill for 3601 20th Ave, Rock Island, IL was $5,052. The county assessed it at $50,487.

Closest homes

More homes in Rock Island 61201

Assigned schools

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