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Single Family ResidentialResidential
$463,683$93 / 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 47How 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

4 ROCK ISLAND RD

ROCK FALLS, IL 61071
4.5
Baths
5,012 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.
41.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$464K
$218K low$709K 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.$463,683
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$370,946

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$34,022 (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.$428,712 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$249,504
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$179,208
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$389,738
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,286,136

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.162 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 percent flood zone

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
CountyLEE
Lot (acres)The size of the land the home sits on, from county records.41.46
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
East Coloma - Nelson Elementary SchoolA-
Elementary · Grades PK–8 · 1.9 mi
H
Rock Falls Township High SchoolC-
High · Grades 9–12 · 4.0 mi

District: Rock Falls Township High School District 301

Neighborhood · ZIP 61071These 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.121
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.12,838
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.168 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,685
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,090
Average tempThe average temperature here across a full year.50°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%

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.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

4 Rock Island Rd 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 most valuable homes in Rock Falls 61071
  • Costs less per square foot than 84% of homes in Rock Falls 61071
  • Among the largest homes in Lee County
  • Among the largest lots in Rock Falls 61071
  • Older than 76% of homes in Rock Falls 61071

What homes are worth in Rock Falls 61071

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

This home
$43K$360K

This home is worth more than almost all homes in Rock Falls 61071.

How it measures up in Rock Falls 61071

The dot is this home. The mark in the middle is the typical home in Rock Falls 61071.

Estimated value$463,683
CheaperTypical $118,221Pricier

Pricier than almost all homes nearby

Price per ft²$93
CheaperTypical $157Pricier

Pricier than 16% of homes nearby

Living area5,012 ft²
SmallerTypical 1,464 ft²Bigger

Bigger than almost all homes nearby

Lot size41.46 ac
SmallerTypical 0.25 acBigger

Bigger than almost all homes nearby

Year built1956
OlderTypical 1974Newer

Newer than 24% of homes nearby

How 4 Rock Island Rd ranks against every home in each area.
MeasureThis homeRock Falls 61071Lee County
Estimated valuepricier than$463,683almost all homes95% of homes
Price per ft²pricier than$9316% of homes25% of homes
Living areabigger than5,012 ft²almost all homesalmost all homes
Lot sizebigger than41.46 acalmost all homes94% of homes
Year builtnewer than195624% of homes56% of homes

About 4 Rock Island Rd

How much is 4 Rock Island Rd, Rock Falls, IL worth?

The TopHap Estimate for 4 Rock Island Rd, Rock Falls, IL is $463,683 as of Jul 14, 2026. The likely range is $218,184 to $709,182. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4 Rock Island Rd, Rock Falls, IL last sell?

4 Rock Island Rd, Rock Falls, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4 Rock Island Rd, Rock Falls, IL?

4 Rock Island Rd, Rock Falls, IL has 4.5 bathrooms, 5,012 square feet of living space and a 41.46-acre lot.

When was 4 Rock Island Rd, Rock Falls, IL built?

4 Rock Island Rd, Rock Falls, IL was built in 1956, making it 70 years old. The building has 2 stories.

What schools serve 4 Rock Island Rd, Rock Falls, IL?

4 Rock Island Rd, Rock Falls, IL is assigned to East Coloma - Nelson Elementary School (elementary), rated A-; Rock Falls Township High School (high), rated C-. All sit in Rock Falls Township High School District 301. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4 Rock Island Rd, Rock Falls, IL compare to other homes in Rock Falls 61071?

Among the 5,302 homes in Rock Falls 61071, it is worth more than almost all of them ($463,683 against a typical $118,221), its price per square foot is higher than 16% of them ($93 against a typical $157), it is bigger than almost all of them (5,012 ft² against a typical 1,464 ft²), its lot is bigger than almost all of them (41.46 ac against a typical 0.25 ac) and it is newer than 24% of them (1956 against a typical 1974). Measured against all of Lee County, it is worth more than 95% 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 4 Rock Island Rd, Rock Falls, IL?

The 2025 property tax bill for 4 Rock Island Rd, Rock Falls, IL was $34,022. The county assessed it at $428,712.

More homes on Rock Island Rd

Closest homes

More homes in Rock Falls 61071

Assigned schools

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