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Single Family ResidenceResidential
$169,819$160 / 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 92How 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

821 RIVER DR

BYRON, IL 61010
0
Baths
1,064 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$170K
$157K low$183K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,755 (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.$51,555 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,490
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,065
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,665
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$154,665

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.46 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 Residence
CountyOGLE
Lot (acres)The size of the land the home sits on, from county records.0.19
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
Mary Morgan Elementary SchoolA+
Elementary · Grades PK–5 · 0.5 mi
M
Byron Middle SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Byron High School 9-12A
High · Grades 9–12 · 0.6 mi

District: Byron Community Unit School District 226

Neighborhood · ZIP 61010These 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.66
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 100.44

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.7,390
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.179 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,170
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,069
Average tempThe average temperature here across a full year.48°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.52%

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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

821 River Dr 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 90% of homes in Byron 61010
  • Costs less per square foot than 73% of homes in Byron 61010
  • Smaller than 89% of homes in Byron 61010
  • Has a smaller lot than 94% of homes in Byron 61010
  • Older than 81% of homes in Byron 61010

What homes are worth in Byron 61010

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

This home
$120K$570K

This home is worth more than 10% of homes in Byron 61010.

How it measures up in Byron 61010

The dot is this home. The mark in the middle is the typical home in Byron 61010.

Estimated value$169,819
CheaperTypical $299,900Pricier

Pricier than 10% of homes nearby

Price per ft²$160
CheaperTypical $183Pricier

Pricier than 27% of homes nearby

Living area1,064 ft²
SmallerTypical 1,638 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.19 ac
SmallerTypical 0.5 acBigger

Bigger than 6% of homes nearby

Year built1970
OlderTypical 1992Newer

Newer than 19% of homes nearby

How 821 River Dr ranks against every home in each area.
MeasureThis homeByron 61010Ogle County
Estimated valuepricier than$169,81910% of homes31% of homes
Price per ft²pricier than$16027% of homes57% of homes
Living areabigger than1,064 ft²11% of homes14% of homes
Lot sizebigger than0.19 ac6% of homes13% of homes
Year builtnewer than197019% of homes49% of homes

About 821 River Dr

How much is 821 River Dr, Byron, IL worth?

The TopHap Estimate for 821 River Dr, Byron, IL is $169,819 as of Sep 24, 2026. The likely range is $156,561 to $183,077. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 River Dr, Byron, IL last sell?

821 River Dr, Byron, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 821 River Dr, Byron, IL?

821 River Dr, Byron, IL has 1,064 square feet of living space and a 0.19-acre lot.

When was 821 River Dr, Byron, IL built?

821 River Dr, Byron, IL was built in 1970, making it 56 years old. The building has 1 story.

What schools serve 821 River Dr, Byron, IL?

821 River Dr, Byron, IL is assigned to Mary Morgan Elementary School (elementary), rated A+; Byron Middle School (middle), rated A; Byron High School 9-12 (high), rated A. All sit in Byron Community Unit School District 226. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 River Dr, Byron, IL compare to other homes in Byron 61010?

Among the 2,805 homes in Byron 61010, it is worth more than 10% of them ($169,819 against a typical $299,900), its price per square foot is higher than 27% of them ($160 against a typical $183), it is bigger than 11% of them (1,064 ft² against a typical 1,638 ft²), its lot is bigger than 6% of them (0.19 ac against a typical 0.5 ac) and it is newer than 19% of them (1970 against a typical 1992). Measured against all of Ogle County, it is worth more than 31% 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 821 River Dr, Byron, IL?

The 2025 property tax bill for 821 River Dr, Byron, IL was $3,755. The county assessed it at $51,555.

More homes on River Dr

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Assigned schools

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