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Single Family ResidentialResidential
$48,096$103 / 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 88How 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 $50,000 on Jan 7, 2026

509 S OTTAWA AVE

DIXON, IL 61021
1 / 2
Baths
468 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.
4,000 ft²
Lot SizeThe size of the land the home sits on, from county records.
1860
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$48K
$43K low$54K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$50,000 · Jan 7, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,919 (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.$20,830 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,629
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$16,201
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$20,421
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$62,490

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.10 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
CountyLEE
Lot (acres)The size of the land the home sits on, from county records.0.09
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Reagan Middle SchoolB
Middle · Grades 6–8 · 0.6 mi
H
Dixon High SchoolD-
High · Grades 9–12 · 0.7 mi
E
Washington Elementary School
Elementary · Grades PK–1 · 1.0 mi

District: Dixon Unit School District 170

Neighborhood · ZIP 61021These 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.118
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.38

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.21,708
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.142 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$65,791
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$87,602
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.37 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

509 S Ottawa Ave 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 98% of homes in Dixon 61021
  • Costs less per square foot than 67% of homes in Lee County
  • Among the smallest homes in Dixon 61021
  • Has a smaller lot than 98% of homes in Lee County
  • Older than 98% of homes in Dixon 61021

What homes are worth in Dixon 61021

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

This home
$47K$499K

This home is worth more than 2% of homes in Dixon 61021.

How it measures up in Dixon 61021

The dot is this home. The mark in the middle is the typical home in Dixon 61021.

Estimated value$48,096
CheaperTypical $166,001Pricier

Pricier than 2% of homes nearby

Price per ft²$103
CheaperTypical $121Pricier

Pricier than 34% of homes nearby

Living area468 ft²
SmallerTypical 1,440 ft²Bigger

Smaller than almost all homes nearby

Lot size4,000 ft²
SmallerTypical 0.28 acBigger

Bigger than 3% of homes nearby

Year built1860
OlderTypical 1953Newer

Newer than 2% of homes nearby

How 509 S Ottawa Ave ranks against every home in each area.
MeasureThis homeDixon 61021Lee County
Estimated valuepricier than$48,0962% of homes2% of homes
Price per ft²pricier than$10334% of homes33% of homes
Living areabigger than468 ft²almost no homesalmost no homes
Lot sizebigger than4,000 ft²3% of homes2% of homes
Year builtnewer than18602% of homes2% of homes

About 509 S Ottawa Ave

How much is 509 S Ottawa Ave, Dixon, IL worth?

The TopHap Estimate for 509 S Ottawa Ave, Dixon, IL is $48,096 as of Aug 30, 2026. The likely range is $42,550 to $53,642. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 S Ottawa Ave, Dixon, IL last sell?

509 S Ottawa Ave, Dixon, IL last sold on Jan 7, 2026 for $50,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 509 S Ottawa Ave, Dixon, IL?

509 S Ottawa Ave, Dixon, IL has 1 bathrooms, 468 square feet of living space and a 0.09-acre lot.

When was 509 S Ottawa Ave, Dixon, IL built?

509 S Ottawa Ave, Dixon, IL was built in 1860, making it 166 years old. The building has 1 story.

What schools serve 509 S Ottawa Ave, Dixon, IL?

509 S Ottawa Ave, Dixon, IL is assigned to Reagan Middle School (middle), rated B; Dixon High School (high), rated D-; Washington Elementary School (elementary). All sit in Dixon Unit School District 170. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 S Ottawa Ave, Dixon, IL compare to other homes in Dixon 61021?

Among the 8,518 homes in Dixon 61021, it is worth more than 2% of them ($48,096 against a typical $166,001), its price per square foot is higher than 34% of them ($103 against a typical $121), it is bigger than almost none of them (468 ft² against a typical 1,440 ft²), its lot is bigger than 3% of them (4,000 ft² against a typical 0.28 ac) and it is newer than 2% of them (1860 against a typical 1953). Measured against all of Lee County, it is worth more than 2% 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 509 S Ottawa Ave, Dixon, IL?

The 2025 property tax bill for 509 S Ottawa Ave, Dixon, IL was $1,919. The county assessed it at $20,830.

More homes on S Ottawa Ave

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Assigned schools

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