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Single Family ResidenceResidential
$297,918$116 / 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 93How 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
Last sold for $125,000 on Feb 15, 2006

8521 OLYMPIA DR

BYRON, IL 61010
0
Baths
2,572 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.
1.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$298K
$278K low$318K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Feb 15, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,026 (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.$74,974 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,629
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$57,345
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,862
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$224,922

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.23
58
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
31
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.22 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 Residence
CountyOGLE
Lot (acres)The size of the land the home sits on, from county records.1.50
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.

M
Byron Middle SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Byron High School 9-12A
High · Grades 9–12 · 0.7 mi
E
Mary Morgan Elementary SchoolA+
Elementary · Grades PK–5 · 0.8 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

8521 Olympia 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 more than 72% of homes in Ogle County
  • Costs less per square foot than 94% of homes in Byron 61010
  • Bigger than 93% of homes in Byron 61010
  • Has a bigger lot than 87% of homes in Byron 61010
  • Older than 68% 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$580K

This home is worth more than 50% 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$297,918
CheaperTypical $297,851Pricier

Pricier than 50% of homes nearby

Price per ft²$116
CheaperTypical $182Pricier

Pricier than 6% of homes nearby

Living area2,572 ft²
SmallerTypical 1,625 ft²Bigger

Bigger than 93% of homes nearby

Lot size1.5 ac
SmallerTypical 0.5 acBigger

Bigger than 87% of homes nearby

Year built1980
OlderTypical 1992Newer

Newer than 32% of homes nearby

How 8521 Olympia Dr ranks against every home in each area.
MeasureThis homeByron 61010Ogle County
Estimated valuepricier than$297,91850% of homes72% of homes
Price per ft²pricier than$1166% of homes25% of homes
Living areabigger than2,572 ft²93% of homes93% of homes
Lot sizebigger than1.5 ac87% of homes79% of homes
Year builtnewer than198032% of homes62% of homes

About 8521 Olympia Dr

How much is 8521 Olympia Dr, Byron, IL worth?

The TopHap Estimate for 8521 Olympia Dr, Byron, IL is $297,918 as of Sep 24, 2026. The likely range is $277,989 to $317,847. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8521 Olympia Dr, Byron, IL last sell?

8521 Olympia Dr, Byron, IL last sold on Feb 15, 2006 for $125,000, according to the county's recorded deed.

How big is 8521 Olympia Dr, Byron, IL?

8521 Olympia Dr, Byron, IL has 2,572 square feet of living space and a 1.50-acre lot.

When was 8521 Olympia Dr, Byron, IL built?

8521 Olympia Dr, Byron, IL was built in 1980, making it 46 years old. The building has 1 story.

What schools serve 8521 Olympia Dr, Byron, IL?

8521 Olympia Dr, Byron, IL is assigned to Byron Middle School (middle), rated A; Byron High School 9-12 (high), rated A; Mary Morgan Elementary School (elementary), 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 8521 Olympia Dr, Byron, IL compare to other homes in Byron 61010?

Among the 2,805 homes in Byron 61010, it is worth more than 50% of them ($297,918 against a typical $297,851), its price per square foot is higher than 6% of them ($116 against a typical $182), it is bigger than 93% of them (2,572 ft² against a typical 1,625 ft²), its lot is bigger than 87% of them (1.5 ac against a typical 0.5 ac) and it is newer than 32% of them (1980 against a typical 1992). Measured against all of Ogle County, it is worth more than 72% 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 8521 Olympia Dr, Byron, IL?

The 2025 property tax bill for 8521 Olympia Dr, Byron, IL was $5,026. The county assessed it at $74,974.

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