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Single Family ResidentialResidential
$75,401$79 / 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 57How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

309 MAIN ST

NELSON, IL 61021
1
Baths
960 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.
0.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$75K
$43K low$108K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,308 (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.$39,616 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,181
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,435
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,015
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$118,848

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.55 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.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 Residential
CountyLEE
Lot (acres)The size of the land the home sits on, from county records.0.60
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
East Coloma - Nelson Elementary SchoolB-
Elementary · Grades PK–8 · 3.6 mi
H
Rock Falls Township High SchoolC
High · Grades 9–12 · 5.5 mi

District: Rock Falls Township High School District 301

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

309 Main 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 92% of homes in Lee County
  • Costs less per square foot than 86% of homes in Lee County
  • Smaller than 88% of homes in Lee County
  • Has a bigger lot than 71% 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
$48K$518K

This home is worth more than 9% 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$75,401
CheaperTypical $166,259Pricier

Pricier than 9% of homes nearby

Price per ft²$79
CheaperTypical $121Pricier

Pricier than 16% of homes nearby

Living area960 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.6 ac
SmallerTypical 0.28 acBigger

Bigger than 71% of homes nearby

Year built1965
OlderTypical 1953Newer

Newer than 63% of homes nearby

How 309 Main St ranks against every home in each area.
MeasureThis homeDixon 61021Lee County
Estimated valuepricier than$75,4019% of homes8% of homes
Price per ft²pricier than$7916% of homes14% of homes
Living areabigger than960 ft²16% of homes12% of homes
Lot sizebigger than0.6 ac71% of homes59% of homes
Year builtnewer than196563% of homes64% of homes

About 309 Main St

How much is 309 Main St, Nelson, IL worth?

The TopHap Estimate for 309 Main St, Nelson, IL is $75,401 as of Oct 21, 2026. The likely range is $42,748 to $108,054. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Main St, Nelson, IL last sell?

309 Main St, Nelson, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 Main St, Nelson, IL?

309 Main St, Nelson, IL has 1 bathrooms, 960 square feet of living space and a 0.60-acre lot.

When was 309 Main St, Nelson, IL built?

309 Main St, Nelson, IL was built in 1965, making it 61 years old. The building has 1 story.

What schools serve 309 Main St, Nelson, IL?

309 Main St, Nelson, IL is assigned to East Coloma - Nelson Elementary School (elementary), rated B-; Rock Falls Township High School (high), rated C. All sit in Rock Falls Township High School District 301. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 Main St, Nelson, IL compare to other homes in Dixon 61021?

Among the 8,518 homes in Dixon 61021, it is worth more than 9% of them ($75,401 against a typical $166,259), its price per square foot is higher than 16% of them ($79 against a typical $121), it is bigger than 16% of them (960 ft² against a typical 1,440 ft²), its lot is bigger than 71% of them (0.6 ac against a typical 0.28 ac) and it is newer than 63% of them (1965 against a typical 1953). Measured against all of Lee County, it is worth more than 8% 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 309 Main St, Nelson, IL?

The 2025 property tax bill for 309 Main St, Nelson, IL was $2,308. The county assessed it at $39,616.

More homes on Main St

Closest homes

More homes in Nelson 61021

Assigned schools

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