Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$279,241$113 / 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 94How 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

809 12TH ST

PORT BYRON, IL 61275
0
Baths
2,480 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.
1.25 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.

Valuation

$279K
$262K low$297K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,721 (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.$36,745 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,395
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$16,350
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$34,023
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$110,235

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.1.25
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(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 · 4.9 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%

Owner Tools

Do you own this home?
Claim this home

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

809 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 more than 85% of homes in Rock Island County
  • Costs less per square foot than 90% of homes in Port Byron 61275
  • Bigger than 94% of homes in Rock Island County
  • Has a bigger lot than 90% of homes in Rock Island County
  • Newer than 94% of homes in Rock Island County

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 44% 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$279,241
CheaperTypical $305,775Pricier

Pricier than 44% of homes nearby

Price per ft²$113
CheaperTypical $181Pricier

Pricier than 10% of homes nearby

Living area2,480 ft²
SmallerTypical 1,650 ft²Bigger

Bigger than 87% of homes nearby

Lot size1.25 ac
SmallerTypical 1.02 acBigger

Bigger than 58% of homes nearby

Year built2000
OlderTypical 1977Newer

Newer than 80% of homes nearby

How 809 12th St ranks against every home in each area.
MeasureThis homePort Byron 61275Rock Island County
Estimated valuepricier than$279,24144% of homes85% of homes
Price per ft²pricier than$11310% of homes42% of homes
Living areabigger than2,480 ft²87% of homes94% of homes
Lot sizebigger than1.25 ac58% of homes90% of homes
Year builtnewer than200080% of homes94% of homes

About 809 12th St

How much is 809 12th St, Port Byron, IL worth?

The TopHap Estimate for 809 12th St, Port Byron, IL is $279,241 as of Sep 24, 2026. The likely range is $261,763 to $296,719. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 809 12th St, Port Byron, IL last sell?

809 12th St, Port Byron, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 809 12th St, Port Byron, IL?

809 12th St, Port Byron, IL has 2,480 square feet of living space and a 1.25-acre lot.

When was 809 12th St, Port Byron, IL built?

809 12th St, Port Byron, IL was built in 2000, making it 26 years old.

What schools serve 809 12th St, Port Byron, IL?

809 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 809 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 44% of them ($279,241 against a typical $305,775), its price per square foot is higher than 10% of them ($113 against a typical $181), it is bigger than 87% of them (2,480 ft² against a typical 1,650 ft²), its lot is bigger than 58% of them (1.25 ac against a typical 1.02 ac) and it is newer than 80% of them (2000 against a typical 1977). Measured against all of Rock Island County, it is worth more than 85% 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 809 12th St, Port Byron, IL?

The 2025 property tax bill for 809 12th St, Port Byron, IL was $2,721. The county assessed it at $36,745.

More homes on 12th St

Closest homes

More homes in Port Byron 61275

Assigned schools

Explore the area

See this home in context

Open 809 12th St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map