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Single Family ResidentialResidential
$117,035$84 / 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 99How 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

100 1ST ST

CARBON CLIFF, IL 61239
0
Baths
1,400 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$117K
$116K low$118K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,398 (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.$39,129 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,032
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$33,097
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,230
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$117,387

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.34 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyROCK ISLAND
Lot (acres)The size of the land the home sits on, from county records.0.16
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
Eagle Ridge SchoolC-
Elementary · Grades PK–8 · 0.7 mi
H
United Township High SchoolC
High · Grades 9–12 · 2.5 mi

District: Carbon Cliff-Barstow School District 36

Neighborhood · ZIP 61239These 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.156
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.29

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.2%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.576
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.534 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$54,016
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$70,358
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

100 1st St 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 less than 70% of homes in Rock Island County
  • Costs less per square foot than 81% of homes in Carbon Cliff 61239
  • Bigger than 71% of homes in Carbon Cliff 61239
  • Has a smaller lot than 74% of homes in Carbon Cliff 61239
  • Newer than 67% of homes in Carbon Cliff 61239

What homes are worth in Carbon Cliff 61239

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

This home
$59K$328K

This home is worth more than 61% of homes in Carbon Cliff 61239.

How it measures up in Carbon Cliff 61239

The dot is this home. The mark in the middle is the typical home in Carbon Cliff 61239.

Estimated value$117,035
CheaperTypical $111,320Pricier

Pricier than 61% of homes nearby

Price per ft²$84
CheaperTypical $107Pricier

Pricier than 19% of homes nearby

Living area1,400 ft²
SmallerTypical 1,096 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.16 ac
SmallerTypical 0.23 acBigger

Bigger than 26% of homes nearby

Year built1959
OlderTypical 1956Newer

Newer than 67% of homes nearby

How 100 1st St ranks against every home in each area.
MeasureThis homeCarbon Cliff 61239Rock Island County
Estimated valuepricier than$117,03561% of homes30% of homes
Price per ft²pricier than$8419% of homes20% of homes
Living areabigger than1,400 ft²71% of homes59% of homes
Lot sizebigger than0.16 ac26% of homes35% of homes
Year builtnewer than195967% of homes59% of homes

About 100 1st St

How much is 100 1st St, Carbon Cliff, IL worth?

The TopHap Estimate for 100 1st St, Carbon Cliff, IL is $117,035 as of Sep 24, 2026. The likely range is $115,772 to $118,298. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 1st St, Carbon Cliff, IL last sell?

100 1st St, Carbon Cliff, IL last sold on Jan 1, 1900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 100 1st St, Carbon Cliff, IL?

100 1st St, Carbon Cliff, IL has 1,400 square feet of living space and a 0.16-acre lot.

When was 100 1st St, Carbon Cliff, IL built?

100 1st St, Carbon Cliff, IL was built in 1959, making it 67 years old. The building has 1 story.

What schools serve 100 1st St, Carbon Cliff, IL?

100 1st St, Carbon Cliff, IL is assigned to Eagle Ridge School (elementary), rated C-; United Township High School (high), rated C. All sit in Carbon Cliff-Barstow School District 36. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 1st St, Carbon Cliff, IL compare to other homes in Carbon Cliff 61239?

Among the 279 homes in Carbon Cliff 61239, it is worth more than 61% of them ($117,035 against a typical $111,320), its price per square foot is higher than 19% of them ($84 against a typical $107), it is bigger than 71% of them (1,400 ft² against a typical 1,096 ft²), its lot is bigger than 26% of them (0.16 ac against a typical 0.23 ac) and it is newer than 67% of them (1959 against a typical 1956). Measured against all of Rock Island County, it is worth more than 30% 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 100 1st St, Carbon Cliff, IL?

The 2025 property tax bill for 100 1st St, Carbon Cliff, IL was $2,398. The county assessed it at $39,129.

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