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Single Family ResidenceResidential
$446,760$192 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

643 WELCH ST

GILBERTS, IL 60136
2.5
Baths
2,332 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$447K
$433K low$460K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,731 (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.$143,883 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,677
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,206
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$132,696
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$431,822

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
10
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
9
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
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.
26
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
CountyKANE
Lot (acres)The size of the land the home sits on, from county records.0.90
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck · 400 ft²

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
Dundee Middle SchoolB
Middle · Grades 6–8 · 1.5 mi
E
Gilberts Elementary SchoolB
Elementary · Grades KG–5 · 2.7 mi
H
Hampshire High SchoolB
High · Grades 9–12 · 7.7 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

643 Welch 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 more than 65% of homes in Kane County
  • Costs less per square foot than 71% of homes in Kane County
  • Bigger than 72% of homes in Kane County
  • Has a bigger lot than 92% of homes in Gilberts 60136
  • Older than 88% of homes in Gilberts 60136

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
$252K$636K

This home is worth more than 56% 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$446,760
CheaperTypical $427,474Pricier

Pricier than 56% of homes nearby

Price per ft²$192
CheaperTypical $184Pricier

Pricier than 60% of homes nearby

Living area2,332 ft²
SmallerTypical 2,200 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.9 ac
SmallerTypical 0.25 acBigger

Bigger than 92% of homes nearby

Year built1988
OlderTypical 2003Newer

Newer than 12% of homes nearby

How 643 Welch St ranks against every home in each area.
MeasureThis homeGilberts 60136Kane County
Estimated valuepricier than$446,76056% of homes65% of homes
Price per ft²pricier than$19260% of homes29% of homes
Living areabigger than2,332 ft²57% of homes72% of homes
Lot sizebigger than0.9 ac92% of homes89% of homes
Year builtnewer than198812% of homes55% of homes

About 643 Welch St

How much is 643 Welch St, Gilberts, IL worth?

The TopHap Estimate for 643 Welch St, Gilberts, IL is $446,760 as of Sep 24, 2026. The likely range is $433,121 to $460,399. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Welch St, Gilberts, IL last sell?

643 Welch St, Gilberts, IL last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 643 Welch St, Gilberts, IL?

643 Welch St, Gilberts, IL has 2.5 bathrooms, 2,332 square feet of living space and a 0.90-acre lot.

When was 643 Welch St, Gilberts, IL built?

643 Welch St, Gilberts, IL was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 643 Welch St, Gilberts, IL?

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

How does 643 Welch St, Gilberts, IL compare to other homes in Gilberts 60136?

Among the 2,875 homes in Gilberts 60136, it is worth more than 56% of them ($446,760 against a typical $427,474), its price per square foot is higher than 60% of them ($192 against a typical $184), it is bigger than 57% of them (2,332 ft² against a typical 2,200 ft²), its lot is bigger than 92% of them (0.9 ac against a typical 0.25 ac) and it is newer than 12% of them (1988 against a typical 2003). Measured against all of Kane County, it is worth more than 65% 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 643 Welch St, Gilberts, IL?

The 2025 property tax bill for 643 Welch St, Gilberts, IL was $8,731. The county assessed it at $143,883.

More homes on Welch St

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