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Single Family ResidentialResidential
$366,288$128 / 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 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $282,500 on Aug 1, 2003

4311 42ND AVENUE CT

ROCK ISLAND, IL 61201
3
Beds
2.5
Baths
2,865 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$366K
$342K low$390K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$282,500 · Aug 1, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,058 (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.$106,522 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,633
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$77,889
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$98,177
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$319,566

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.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
74
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
52
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.

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 Residential
CountyROCK ISLAND
Lot (acres)The size of the land the home sits on, from county records.0.22
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
FireplaceWhether the home has a fireplace, and what kind.Yes
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(5)

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
Eugene Field Elementary SchoolC
Elementary · Grades KG–6 · 1.1 mi
M
Washington Jr High SchoolC
Middle · Grades 7–8 · 1.6 mi
H
Rock Island High SchoolD-
High · Grades 9–12 · 2.1 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.36,706
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%

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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

4311 42nd Avenue Ct 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 98% of homes in Rock Island 61201
  • Costs more per square foot than 76% of homes in Rock Island 61201
  • Bigger than 97% of homes in Rock Island 61201
  • Has a bigger lot than 71% of homes in Rock Island 61201
  • Newer than 97% of homes in Rock Island 61201

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$349K

This home is worth more than 98% 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$366,288
CheaperTypical $122,514Pricier

Pricier than 98% of homes nearby

Price per ft²$128
CheaperTypical $99Pricier

Pricier than 76% of homes nearby

Living area2,865 ft²
SmallerTypical 1,252 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.22 ac
SmallerTypical 0.16 acBigger

Bigger than 71% of homes nearby

Year built1994
OlderTypical 1940Newer

Newer than 97% of homes nearby

How 4311 42nd Avenue Ct ranks against every home in each area.
MeasureThis homeSaukieRock Island 61201Rock Island County
Estimated valuepricier than$366,28894% of homes98% of homes93% of homes
Price per ft²pricier than$12854% of homes76% of homes55% of homes
Living areabigger than2,865 ft²94% of homes97% of homes97% of homes
Lot sizebigger than0.22 ac44% of homes71% of homes54% of homes
Year builtnewer than199494% of homes97% of homes91% of homes

About 4311 42nd Avenue Ct

How much is 4311 42nd Avenue Ct, Rock Island, IL worth?

The TopHap Estimate for 4311 42nd Avenue Ct, Rock Island, IL is $366,288 as of Sep 24, 2026. The likely range is $342,441 to $390,135. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4311 42nd Avenue Ct, Rock Island, IL last sell?

4311 42nd Avenue Ct, Rock Island, IL last sold on Aug 1, 2003 for $282,500, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4311 42nd Avenue Ct, Rock Island, IL?

4311 42nd Avenue Ct, Rock Island, IL has 3 bedrooms, 2.5 bathrooms, 2,865 square feet of living space and a 0.22-acre lot.

When was 4311 42nd Avenue Ct, Rock Island, IL built?

4311 42nd Avenue Ct, Rock Island, IL was built in 1994, making it 32 years old. The building has 1 story.

What schools serve 4311 42nd Avenue Ct, Rock Island, IL?

4311 42nd Avenue Ct, Rock Island, IL is assigned to Eugene Field Elementary School (elementary), rated C; Washington Jr High School (middle), rated C; 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 4311 42nd Avenue Ct, 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 98% of them ($366,288 against a typical $122,514), its price per square foot is higher than 76% of them ($128 against a typical $99), it is bigger than 97% of them (2,865 ft² against a typical 1,252 ft²), its lot is bigger than 71% of them (0.22 ac against a typical 0.16 ac) and it is newer than 97% of them (1994 against a typical 1940). Measured against all of Rock Island County, it is worth more than 93% 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 4311 42nd Avenue Ct, Rock Island, IL?

The 2025 property tax bill for 4311 42nd Avenue Ct, Rock Island, IL was $10,058. The county assessed it at $106,522.

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