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Single Family ResidentialResidential
$147,561$142 / 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 89How 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

400 15TH ST

MENDOTA, IL 61342
0
Baths
1,040 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1955
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$148K
$131K low$165K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,490 (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.$40,237 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,480
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$34,757
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$36,773
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$120,711

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.34
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
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.

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.0.17
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 SchoolC+
Middle · Grades 5–8 · 0.3 mi
E
Blackstone Elementary School
Elementary · Grades KG–1 · 1.0 mi
H
Mendota Township High SchoolC
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

400 15th 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 more per square foot than 75% of homes in Mendota 61342
  • Smaller than 85% of homes in Mendota 61342
  • Has a smaller lot than 78% of homes in Mendota 61342

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$440K

This home is worth more than 47% 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$147,561
CheaperTypical $151,382Pricier

Pricier than 47% of homes nearby

Price per ft²$142
CheaperTypical $110Pricier

Pricier than 75% of homes nearby

Living area1,040 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.17 ac
SmallerTypical 0.25 acBigger

Bigger than 22% of homes nearby

Year built1955
OlderTypical 1949Newer

Newer than 61% of homes nearby

How 400 15th St ranks against every home in each area.
MeasureThis homeMendota 61342LaSalle County
Estimated valuepricier than$147,56147% of homes39% of homes
Price per ft²pricier than$14275% of homes59% of homes
Living areabigger than1,040 ft²15% of homes22% of homes
Lot sizebigger than0.17 ac22% of homes29% of homes
Year builtnewer than195561% of homes53% of homes

About 400 15th St

How much is 400 15th St, Mendota, IL worth?

The TopHap Estimate for 400 15th St, Mendota, IL is $147,561 as of Oct 21, 2026. The likely range is $130,608 to $164,514. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 15th St, Mendota, IL last sell?

400 15th St, Mendota, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 400 15th St, Mendota, IL?

400 15th St, Mendota, IL has 1,040 square feet of living space and a 0.17-acre lot.

When was 400 15th St, Mendota, IL built?

400 15th St, Mendota, IL was built in 1955, making it 71 years old. The building has 1 story.

What schools serve 400 15th St, Mendota, IL?

400 15th St, Mendota, IL is assigned to Northbrook School (middle), rated C+; Blackstone Elementary School (elementary); Mendota Township High School (high), rated C. All sit in Mendota Township High School District 280. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 15th St, Mendota, IL compare to other homes in Mendota 61342?

Among the 2,805 homes in Mendota 61342, it is worth more than 47% of them ($147,561 against a typical $151,382), its price per square foot is higher than 75% of them ($142 against a typical $110), it is bigger than 15% of them (1,040 ft² against a typical 1,544 ft²), its lot is bigger than 22% of them (0.17 ac against a typical 0.25 ac) and it is newer than 61% of them (1955 against a typical 1949). Measured against all of LaSalle County, it is worth more than 39% 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 400 15th St, Mendota, IL?

The 2025 property tax bill for 400 15th St, Mendota, IL was $3,490. The county assessed it at $40,237.

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Assigned schools

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