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Single Family ResidentialResidential
$267,449$199 / 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 93How 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 $153,000 on Jan 12, 2015

531 ERMA DR

SOMONAUK, IL 60552
1.5
Baths
1,344 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.
0.34 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$267K
$248K low$287K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$153,000 · Jan 12, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,875 (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.$89,501 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,403
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,098
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$82,308
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$268,503

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
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.
73
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.0.34
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

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 SchoolA
Elementary · Grades PK–4 · 1.0 mi
H
Somonauk High SchoolB+
High · Grades 9–12 · 1.1 mi
M
Somonauk Middle SchoolA
Middle · Grades 5–8 · 1.1 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

531 Erma Dr 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 more than 76% of homes in LaSalle County
  • Costs more per square foot than 89% of homes in LaSalle County
  • Smaller than 75% of homes in Somonauk 60552
  • Has a smaller lot than 70% of homes in Somonauk 60552
  • Older than 81% 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
$176K$894K

This home is worth more than 30% 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$267,449
CheaperTypical $305,986Pricier

Pricier than 30% of homes nearby

Price per ft²$199
CheaperTypical $201Pricier

Pricier than 47% of homes nearby

Living area1,344 ft²
SmallerTypical 1,602 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.34 ac
SmallerTypical 0.36 acBigger

Bigger than 30% of homes nearby

Year built1973
OlderTypical 1988Newer

Newer than 19% of homes nearby

How 531 Erma Dr ranks against every home in each area.
MeasureThis homeSomonauk 60552LaSalle County
Estimated valuepricier than$267,44930% of homes76% of homes
Price per ft²pricier than$19947% of homes89% of homes
Living areabigger than1,344 ft²25% of homes46% of homes
Lot sizebigger than0.34 ac30% of homes65% of homes
Year builtnewer than197319% of homes69% of homes

About 531 Erma Dr

How much is 531 Erma Dr, Somonauk, IL worth?

The TopHap Estimate for 531 Erma Dr, Somonauk, IL is $267,449 as of Aug 30, 2026. The likely range is $248,304 to $286,594. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 531 Erma Dr, Somonauk, IL last sell?

531 Erma Dr, Somonauk, IL last sold on Jan 12, 2015 for $153,000, according to the county's recorded deed.

How big is 531 Erma Dr, Somonauk, IL?

531 Erma Dr, Somonauk, IL has 1.5 bathrooms, 1,344 square feet of living space and a 0.34-acre lot.

When was 531 Erma Dr, Somonauk, IL built?

531 Erma Dr, Somonauk, IL was built in 1973, making it 53 years old. The building has 1 story.

What schools serve 531 Erma Dr, Somonauk, IL?

531 Erma Dr, Somonauk, IL is assigned to James R Wood Elementary School (elementary), rated A; 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 531 Erma Dr, Somonauk, IL compare to other homes in Somonauk 60552?

Among the 1,726 homes in Somonauk 60552, it is worth more than 30% of them ($267,449 against a typical $305,986), its price per square foot is higher than 47% of them ($199 against a typical $201), it is bigger than 25% of them (1,344 ft² against a typical 1,602 ft²), its lot is bigger than 30% of them (0.34 ac against a typical 0.36 ac) and it is newer than 19% of them (1973 against a typical 1988). Measured against all of LaSalle County, it is worth more than 76% 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 531 Erma Dr, Somonauk, IL?

The 2025 property tax bill for 531 Erma Dr, Somonauk, IL was $5,875. The county assessed it at $89,501.

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