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Single Family ResidenceResidential
$424,729$193 / 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 $400,000 on Jan 15, 2025

121 BOULDER DR

GILBERTS, IL 60136
2.5
Baths
2,200 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$425K
$393K low$456K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$400,000 · Jan 15, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,484 (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.$135,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$35,287
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$99,713
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$124,505
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$405,162

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.18
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 480 ft²

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.

M
Dundee Middle SchoolB+
Middle · Grades 6–8 · 2.2 mi
E
Gilberts Elementary SchoolB
Elementary · Grades KG–5 · 2.8 mi
H
Hampshire High SchoolA-
High · Grades 9–12 · 6.9 mi

District: Community Unit School District 300

Neighborhood · ZIP 60136These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.9%
PopulationHow many people live in this area.6,672
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.966 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,219
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$133,933
Average tempThe average temperature here across a full year.48°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 Boulder 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.

  • Costs less per square foot than 69% of homes in Kane County
  • Bigger than 69% of homes in Kane County
  • Has a smaller lot than 89% of homes in Gilberts 60136
  • Newer than 86% of homes in Kane County

What homes are worth in Gilberts 60136

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

This home
$254K$642K

This home is worth more than 48% of homes in Gilberts 60136.

How it measures up in Gilberts 60136

The dot is this home. The mark in the middle is the typical home in Gilberts 60136.

Estimated value$424,729
CheaperTypical $430,879Pricier

Pricier than 48% of homes nearby

Price per ft²$193
CheaperTypical $186Pricier

Pricier than 61% of homes nearby

Living area2,200 ft²
SmallerTypical 2,200 ft²Bigger

Bigger than 51% of homes nearby

Lot size0.18 ac
SmallerTypical 0.25 acBigger

Bigger than 11% of homes nearby

Year built2003
OlderTypical 2003Newer

Newer than 63% of homes nearby

How 121 Boulder Dr ranks against every home in each area.
MeasureThis homeGilberts 60136Kane County
Estimated valuepricier than$424,72948% of homes59% of homes
Price per ft²pricier than$19361% of homes31% of homes
Living areabigger than2,200 ft²51% of homes69% of homes
Lot sizebigger than0.18 ac11% of homes26% of homes
Year builtnewer than200363% of homes86% of homes

About 121 Boulder Dr

How much is 121 Boulder Dr, Gilberts, IL worth?

The TopHap Estimate for 121 Boulder Dr, Gilberts, IL is $424,729 as of Aug 30, 2026. The likely range is $393,210 to $456,248. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Boulder Dr, Gilberts, IL last sell?

121 Boulder Dr, Gilberts, IL last sold on Jan 15, 2025 for $400,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 121 Boulder Dr, Gilberts, IL?

121 Boulder Dr, Gilberts, IL has 2.5 bathrooms, 2,200 square feet of living space and a 0.18-acre lot.

When was 121 Boulder Dr, Gilberts, IL built?

121 Boulder Dr, Gilberts, IL was built in 2003, making it 23 years old. The building has 2 stories.

What schools serve 121 Boulder Dr, Gilberts, IL?

121 Boulder Dr, Gilberts, IL is assigned to Dundee Middle School (middle), rated B+; Gilberts Elementary School (elementary), rated B; Hampshire High School (high), rated A-. All sit in Community Unit School District 300. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Boulder Dr, Gilberts, IL compare to other homes in Gilberts 60136?

Among the 2,875 homes in Gilberts 60136, it is worth more than 48% of them ($424,729 against a typical $430,879), its price per square foot is higher than 61% of them ($193 against a typical $186), it is bigger than 51% of them (2,200 ft² against a typical 2,200 ft²), its lot is bigger than 11% of them (0.18 ac against a typical 0.25 ac) and it is newer than 63% of them (2003 against a typical 2003). Measured against all of Kane County, it is worth more than 59% 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 Boulder Dr, Gilberts, IL?

The 2025 property tax bill for 121 Boulder Dr, Gilberts, IL was $9,484. The county assessed it at $135,000.

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