Skip to content
Skip to content
TopHapOpen in map
Single Family ResidentialResidential
$170,056$162 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $175,000 on May 14, 2025

911 15TH ST

PORT BYRON, IL 61275
3.5
Baths
1,052 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$170K
$154K low$186K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$175,000 · May 14, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,840 (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.$49,345 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,190
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$37,155
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$45,690
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,035

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.0.29
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(6)

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 · 5.1 mi
H
Riverdale Sr High SchoolA-
High · Grades 9–12 · 5.2 mi
M
Riverdale Middle SchoolA-
Middle · Grades 6–8 · 5.3 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

911 15th 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 86% of homes in Port Byron 61275
  • Costs more per square foot than 79% of homes in Rock Island County
  • Smaller than 88% of homes in Port Byron 61275
  • Has a smaller lot than 89% of homes in Port Byron 61275
  • Newer than 79% 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
$102K$723K

This home is worth more than 14% 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$170,056
CheaperTypical $296,250Pricier

Pricier than 14% of homes nearby

Price per ft²$162
CheaperTypical $178Pricier

Pricier than 36% of homes nearby

Living area1,052 ft²
SmallerTypical 1,656 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.29 ac
SmallerTypical 1.02 acBigger

Bigger than 11% of homes nearby

Year built1972
OlderTypical 1977Newer

Newer than 42% of homes nearby

How 911 15th St ranks against every home in each area.
MeasureThis homePort Byron 61275Rock Island County
Estimated valuepricier than$170,05614% of homes59% of homes
Price per ft²pricier than$16236% of homes79% of homes
Living areabigger than1,052 ft²12% of homes30% of homes
Lot sizebigger than0.29 ac11% of homes65% of homes
Year builtnewer than197242% of homes79% of homes

About 911 15th St

How much is 911 15th St, Port Byron, IL worth?

The TopHap Estimate for 911 15th St, Port Byron, IL is $170,056 as of Aug 30, 2026. The likely range is $153,973 to $186,139. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 911 15th St, Port Byron, IL last sell?

911 15th St, Port Byron, IL last sold on May 14, 2025 for $175,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 911 15th St, Port Byron, IL?

911 15th St, Port Byron, IL has 3.5 bathrooms, 1,052 square feet of living space and a 0.29-acre lot.

When was 911 15th St, Port Byron, IL built?

911 15th St, Port Byron, IL was built in 1972, making it 54 years old. The building has 1 story.

What schools serve 911 15th St, Port Byron, IL?

911 15th 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 911 15th 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 14% of them ($170,056 against a typical $296,250), its price per square foot is higher than 36% of them ($162 against a typical $178), it is bigger than 12% of them (1,052 ft² against a typical 1,656 ft²), its lot is bigger than 11% of them (0.29 ac against a typical 1.02 ac) and it is newer than 42% of them (1972 against a typical 1977). Measured against all of Rock Island County, it is worth more than 59% 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 911 15th St, Port Byron, IL?

The 2025 property tax bill for 911 15th St, Port Byron, IL was $2,840. The county assessed it at $49,345.

More homes on 15th St

Closest homes

More homes in Port Byron 61275

Assigned schools

Explore the area

See this home in context

Open 911 15th 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