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Single Family ResidentialResidential
Last sold for $107,000 on May 1, 2009

3520 21ST AVE

ROCK ISLAND, IL 61201
2
Baths
1,774 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$107,000 · May 1, 2009
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.$94,000
BLACKHAWK BANK & TR LIL HAWK · P · recorded May 28, 2009

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,000 (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.$42,827 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,115
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$34,712
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$39,472
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$128,481

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.0.21
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 · 0.3 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

3520 21st 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.

  • Bigger than 95% of homes in East Central
  • Has a bigger lot than 85% of homes in East Central
  • Newer than 81% of homes in East Central

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.

Living area1,774 ft²
SmallerTypical 1,258 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.21 ac
SmallerTypical 0.16 acBigger

Bigger than 68% of homes nearby

Year built1953
OlderTypical 1941Newer

Newer than 69% of homes nearby

How 3520 21st Ave ranks against every home in each area.
MeasureThis homeEast CentralRock Island 61201Rock Island County
Living areabigger than1,774 ft²95% of homes80% of homes79% of homes
Lot sizebigger than0.21 ac85% of homes68% of homes51% of homes
Year builtnewer than195381% of homes69% of homes50% of homes

About 3520 21st Ave

When did 3520 21st Ave, Rock Island, IL last sell?

3520 21st Ave, Rock Island, IL last sold on May 1, 2009 for $107,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3520 21st Ave, Rock Island, IL?

3520 21st Ave, Rock Island, IL has 2 bathrooms, 1,774 square feet of living space and a 0.21-acre lot.

When was 3520 21st Ave, Rock Island, IL built?

3520 21st Ave, Rock Island, IL was built in 1953, making it 73 years old. The building has 1 story.

What schools serve 3520 21st Ave, Rock Island, IL?

3520 21st 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 3520 21st Ave, Rock Island, IL compare to other homes in Rock Island 61201?

Among the 13,020 homes in Rock Island 61201, it is bigger than 80% of them (1,774 ft² against a typical 1,258 ft²), its lot is bigger than 68% of them (0.21 ac against a typical 0.16 ac) and it is newer than 69% of them (1953 against a typical 1941). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 3520 21st Ave, Rock Island, IL?

The 2025 property tax bill for 3520 21st Ave, Rock Island, IL was $2,000. The county assessed it at $42,827.

Closest homes

More homes in Rock Island 61201

Assigned schools

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