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Single Family ResidentialResidential
$205,442$235 / 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 72How 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

533 12TH ST

PORT BYRON, IL 61275
0
Baths
875 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.
7.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$205K
$148K low$263K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,664 (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.$82,483 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$34,340
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$48,143
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$76,373
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$247,449

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.42 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.minimal

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.7.60
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Riverdale Elementary SchoolB+
Elementary · Grades PK–5 · 4.7 mi
H
Riverdale Sr High SchoolA-
High · Grades 9–12 · 4.8 mi
M
Riverdale Middle SchoolA-
Middle · Grades 6–8 · 5.0 mi

District: Riverdale Community Unit School District 100

Neighborhood · ZIP 61275These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.78
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.1%
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.4,037
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.106 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,558
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$113,632
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

533 12th 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 76% of homes in Port Byron 61275
  • Costs more per square foot than 97% of homes in Rock Island County
  • Smaller than 96% of homes in Port Byron 61275
  • Has a bigger lot than 97% of homes in Rock Island County
  • Older than 85% of homes in Port Byron 61275

What homes are worth in Port Byron 61275

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

This home
$106K$699K

This home is worth more than 24% of homes in Port Byron 61275.

How it measures up in Port Byron 61275

The dot is this home. The mark in the middle is the typical home in Port Byron 61275.

Estimated value$205,442
CheaperTypical $305,775Pricier

Pricier than 24% of homes nearby

Price per ft²$235
CheaperTypical $181Pricier

Pricier than 83% of homes nearby

Living area875 ft²
SmallerTypical 1,650 ft²Bigger

Bigger than 4% of homes nearby

Lot size7.6 ac
SmallerTypical 1.02 acBigger

Bigger than 90% of homes nearby

Year built1945
OlderTypical 1977Newer

Newer than 15% of homes nearby

How 533 12th St ranks against every home in each area.
MeasureThis homePort Byron 61275Rock Island County
Estimated valuepricier than$205,44224% of homes71% of homes
Price per ft²pricier than$23583% of homes97% of homes
Living areabigger than875 ft²4% of homes13% of homes
Lot sizebigger than7.6 ac90% of homes97% of homes
Year builtnewer than194515% of homes39% of homes

About 533 12th St

How much is 533 12th St, Port Byron, IL worth?

The TopHap Estimate for 533 12th St, Port Byron, IL is $205,442 as of Sep 24, 2026. The likely range is $147,937 to $262,947. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 533 12th St, Port Byron, IL last sell?

533 12th St, Port Byron, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 533 12th St, Port Byron, IL?

533 12th St, Port Byron, IL has 875 square feet of living space and a 7.60-acre lot.

When was 533 12th St, Port Byron, IL built?

533 12th St, Port Byron, IL was built in 1945, making it 81 years old. The building has 1 story.

What schools serve 533 12th St, Port Byron, IL?

533 12th St, Port Byron, IL is assigned to Riverdale Elementary School (elementary), rated B+; Riverdale Sr High School (high), rated A-; Riverdale Middle School (middle), rated A-. All sit in Riverdale Community Unit School District 100. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 533 12th St, Port Byron, IL compare to other homes in Port Byron 61275?

Among the 1,620 homes in Port Byron 61275, it is worth more than 24% of them ($205,442 against a typical $305,775), its price per square foot is higher than 83% of them ($235 against a typical $181), it is bigger than 4% of them (875 ft² against a typical 1,650 ft²), its lot is bigger than 90% of them (7.6 ac against a typical 1.02 ac) and it is newer than 15% of them (1945 against a typical 1977). Measured against all of Rock Island County, it is worth more than 71% 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 533 12th St, Port Byron, IL?

The 2025 property tax bill for 533 12th St, Port Byron, IL was $5,664. The county assessed it at $82,483.

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