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Single Family ResidentialResidential
$140,256$57 / 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 90How 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

502 12TH ST

MENDOTA, IL 61342
0
Baths
2,448 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$140K
$126K low$154K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,384 (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.$50,551 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,275
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$42,276
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$46,199
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$151,653

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.42
43
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
67
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
19
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.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%

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
CountyLASALLE
Lot (acres)The size of the land the home sits on, from county records.0.32
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
Northbrook SchoolB-
Middle · Grades 5–8 · 0.4 mi
E
Blackstone Elementary School
Elementary · Grades KG–1 · 0.8 mi
H
Mendota Township High SchoolB-
High · Grades 9–12 · 1.4 mi

District: Mendota Township High School District 280

Neighborhood · ZIP 61342These 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.108
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.43

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.8%
PopulationHow many people live in this area.8,916
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.83 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,690
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$84,182
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

502 12th 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.

  • Costs less per square foot than 95% of homes in LaSalle County
  • Bigger than 92% of homes in Mendota 61342
  • Older than 82% of homes in LaSalle County

What homes are worth in Mendota 61342

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

This home
$60K$458K

This home is worth more than 44% of homes in Mendota 61342.

How it measures up in Mendota 61342

The dot is this home. The mark in the middle is the typical home in Mendota 61342.

Estimated value$140,256
CheaperTypical $149,690Pricier

Pricier than 44% of homes nearby

Price per ft²$57
CheaperTypical $107Pricier

Pricier than 9% of homes nearby

Living area2,448 ft²
SmallerTypical 1,539 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.32 ac
SmallerTypical 0.25 acBigger

Bigger than 63% of homes nearby

Year built1900
OlderTypical 1949Newer

Newer than 23% of homes nearby

How 502 12th St ranks against every home in each area.
MeasureThis homeMendota 61342LaSalle County
Estimated valuepricier than$140,25644% of homes36% of homes
Price per ft²pricier than$579% of homes5% of homes
Living areabigger than2,448 ft²92% of homes92% of homes
Lot sizebigger than0.32 ac63% of homes62% of homes
Year builtnewer than190023% of homes18% of homes

About 502 12th St

How much is 502 12th St, Mendota, IL worth?

The TopHap Estimate for 502 12th St, Mendota, IL is $140,256 as of Aug 30, 2026. The likely range is $126,369 to $154,143. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 12th St, Mendota, IL last sell?

502 12th St, Mendota, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 502 12th St, Mendota, IL?

502 12th St, Mendota, IL has 2,448 square feet of living space and a 0.32-acre lot.

When was 502 12th St, Mendota, IL built?

502 12th St, Mendota, IL was built in 1900, making it 126 years old. The building has 2 stories.

What schools serve 502 12th St, Mendota, IL?

502 12th St, Mendota, IL is assigned to Northbrook School (middle), rated B-; Blackstone Elementary School (elementary); Mendota Township High School (high), rated B-. All sit in Mendota Township High School District 280. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 502 12th St, Mendota, IL compare to other homes in Mendota 61342?

Among the 2,805 homes in Mendota 61342, it is worth more than 44% of them ($140,256 against a typical $149,690), its price per square foot is higher than 9% of them ($57 against a typical $107), it is bigger than 92% of them (2,448 ft² against a typical 1,539 ft²), its lot is bigger than 63% of them (0.32 ac against a typical 0.25 ac) and it is newer than 23% of them (1900 against a typical 1949). Measured against all of LaSalle County, it is worth more than 36% 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 502 12th St, Mendota, IL?

The 2025 property tax bill for 502 12th St, Mendota, IL was $4,384. The county assessed it at $50,551.

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