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Single Family ResidentialResidential
$249,317$171 / 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 96How 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
Last sold for $87,000 on Apr 22, 2005

401 W LASALLE ST

SOMONAUK, IL 60552
0
Baths
1,456 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$249K
$239K low$259K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$87,000 · Apr 22, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,293 (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.$66,840 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$5,211
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,629
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$61,468
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$200,520

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.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
76
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
27
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.0.33
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.

E
James R Wood Elementary SchoolB-
Elementary · Grades PK–4 · 0.1 mi
H
Somonauk High SchoolB
High · Grades 9–12 · 0.2 mi
M
Somonauk Middle SchoolA
Middle · Grades 5–8 · 0.2 mi

District: Somonauk Community Unit School District 432

Neighborhood · ZIP 60552These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.47

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.4,028
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.151 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,197
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,412
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.53%

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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

401 W Lasalle 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 80% of homes in Somonauk 60552
  • Costs less per square foot than 80% of homes in Somonauk 60552
  • Has a smaller lot than 71% of homes in Somonauk 60552
  • Older than 89% of homes in Somonauk 60552

What homes are worth in Somonauk 60552

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

This home
$178K$941K

This home is worth more than 20% of homes in Somonauk 60552.

How it measures up in Somonauk 60552

The dot is this home. The mark in the middle is the typical home in Somonauk 60552.

Estimated value$249,317
CheaperTypical $314,900Pricier

Pricier than 20% of homes nearby

Price per ft²$171
CheaperTypical $205Pricier

Pricier than 20% of homes nearby

Living area1,456 ft²
SmallerTypical 1,604 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.33 ac
SmallerTypical 0.36 acBigger

Bigger than 29% of homes nearby

Year built1968
OlderTypical 1989Newer

Newer than 11% of homes nearby

How 401 W Lasalle St ranks against every home in each area.
MeasureThis homeSomonauk 60552LaSalle County
Estimated valuepricier than$249,31720% of homes71% of homes
Price per ft²pricier than$17120% of homes77% of homes
Living areabigger than1,456 ft²36% of homes54% of homes
Lot sizebigger than0.33 ac29% of homes65% of homes
Year builtnewer than196811% of homes66% of homes

About 401 W Lasalle St

How much is 401 W Lasalle St, Somonauk, IL worth?

The TopHap Estimate for 401 W Lasalle St, Somonauk, IL is $249,317 as of Oct 21, 2026. The likely range is $239,188 to $259,446. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 401 W Lasalle St, Somonauk, IL last sell?

401 W Lasalle St, Somonauk, IL last sold on Apr 22, 2005 for $87,000, according to the county's recorded deed.

How big is 401 W Lasalle St, Somonauk, IL?

401 W Lasalle St, Somonauk, IL has 1,456 square feet of living space and a 0.33-acre lot.

When was 401 W Lasalle St, Somonauk, IL built?

401 W Lasalle St, Somonauk, IL was built in 1968, making it 58 years old. The building has 1 story.

What schools serve 401 W Lasalle St, Somonauk, IL?

401 W Lasalle St, Somonauk, IL is assigned to James R Wood Elementary School (elementary), rated B-; Somonauk High School (high), rated B; Somonauk Middle School (middle), rated A. All sit in Somonauk Community Unit School District 432. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 401 W Lasalle St, Somonauk, IL compare to other homes in Somonauk 60552?

Among the 1,727 homes in Somonauk 60552, it is worth more than 20% of them ($249,317 against a typical $314,900), its price per square foot is higher than 20% of them ($171 against a typical $205), it is bigger than 36% of them (1,456 ft² against a typical 1,604 ft²), its lot is bigger than 29% of them (0.33 ac against a typical 0.36 ac) and it is newer than 11% of them (1968 against a typical 1989). Measured against all of LaSalle County, it is worth more than 71% 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 401 W Lasalle St, Somonauk, IL?

The 2025 property tax bill for 401 W Lasalle St, Somonauk, IL was $4,293. The county assessed it at $66,840.

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