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Single Family ResidenceResidential
$142,920$147 / 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

121 UNION ST

JOLIET, IL 60433
1
Baths
970 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1908
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$143K
$129K low$157K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,871 (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.$48,198 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,133
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$40,065
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$44,097
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,594

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.37
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
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.
40
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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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 Residence
CountyWILL
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(3)

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
Washington Junior High School & AcademyC
Middle · Grades 6–8 · 0.3 mi
H
Joliet Central High SchoolD-
High · Grades 9–12 · 0.4 mi
E
Woodland Elementary SchoolC
Elementary · Grades KG–5 · 0.6 mi

District: Joliet Public School District 86

Neighborhood · ZIP 60433These 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.138
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.8.8%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.17,647
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,179 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,886
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,510
Average tempThe average temperature here across a full year.50°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.54%

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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

121 Union 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 98% of homes in Will County
  • Costs less per square foot than 92% of homes in Will County
  • Smaller than 91% of homes in Will County
  • Has a smaller lot than 85% of homes in Will County
  • Older than 97% of homes in Will County

What homes are worth in Joliet 60433

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

This home
$103K$384K

This home is worth more than 16% of homes in Joliet 60433.

How it measures up in Joliet 60433

The dot is this home. The mark in the middle is the typical home in Joliet 60433.

Estimated value$142,920
CheaperTypical $191,947Pricier

Pricier than 16% of homes nearby

Price per ft²$147
CheaperTypical $179Pricier

Pricier than 21% of homes nearby

Living area970 ft²
SmallerTypical 1,040 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.14 ac
SmallerTypical 0.19 acBigger

Bigger than 28% of homes nearby

Year built1908
OlderTypical 1940Newer

Newer than 18% of homes nearby

How 121 Union St ranks against every home in each area.
MeasureThis homeSENOJoliet 60433Will County
Estimated valuepricier than$142,92033% of homes16% of homes2% of homes
Price per ft²pricier than$14734% of homes21% of homes8% of homes
Living areabigger than970 ft²51% of homes41% of homes9% of homes
Lot sizebigger than0.14 ac43% of homes28% of homes15% of homes
Year builtnewer than190847% of homes18% of homes3% of homes

About 121 Union St

How much is 121 Union St, Joliet, IL worth?

The TopHap Estimate for 121 Union St, Joliet, IL is $142,920 as of Aug 30, 2026. The likely range is $129,033 to $156,807. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Union St, Joliet, IL last sell?

121 Union St, Joliet, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 Union St, Joliet, IL?

121 Union St, Joliet, IL has 1 bathrooms, 970 square feet of living space and a 0.14-acre lot.

When was 121 Union St, Joliet, IL built?

121 Union St, Joliet, IL was built in 1908, making it 118 years old. The building has 2 stories.

What schools serve 121 Union St, Joliet, IL?

121 Union St, Joliet, IL is assigned to Washington Junior High School & Academy (middle), rated C; Joliet Central High School (high), rated D-; Woodland Elementary School (elementary), rated C. All sit in Joliet Public School District 86. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Union St, Joliet, IL compare to other homes in Joliet 60433?

Among the 5,130 homes in Joliet 60433, it is worth more than 16% of them ($142,920 against a typical $191,947), its price per square foot is higher than 21% of them ($147 against a typical $179), it is bigger than 41% of them (970 ft² against a typical 1,040 ft²), its lot is bigger than 28% of them (0.14 ac against a typical 0.19 ac) and it is newer than 18% of them (1908 against a typical 1940). Measured against all of Will County, it is worth more than 2% 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 121 Union St, Joliet, IL?

The 2025 property tax bill for 121 Union St, Joliet, IL was $3,871. The county assessed it at $48,198.

More homes on Union St

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