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Single Family ResidenceResidential
$721,989$232 / 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 95How 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 SIERRA CT

BARTLETT, IL 60103
4
Beds
2.5
Baths
3,113 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.
2019
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$722K
$689K low$755K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$18,138 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$68,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,774
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$56,226
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$57,303
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$680,000

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.32
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
4
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
68
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 Residence
CountyCOOK
Lot (acres)The size of the land the home sits on, from county records.0.34
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Yes
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

Transaction History(4)

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
Liberty Elementary SchoolB+
Elementary · Grades PK–6 · 1.2 mi
M
Kenyon Woods Middle SchoolB+
Middle · Grades 7–8 · 3.5 mi
H
South Elgin High SchoolC-
High · Grades 9–12 · 3.6 mi

District: School District U-46

Neighborhood · ZIP 60103These 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.38
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.49

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.39,894
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,050 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,015
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$142,453
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%

Owner Tools

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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 Sierra Ct 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 96% of homes in Bartlett 60103
  • Bigger than 90% of homes in Cook County
  • Has a bigger lot than 77% of homes in Cook County
  • Among the newest homes in Cook County

What homes are worth in Bartlett 60103

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

This home
$215K$776K

This home is worth more than 96% of homes in Bartlett 60103.

How it measures up in Bartlett 60103

The dot is this home. The mark in the middle is the typical home in Bartlett 60103.

Estimated value$721,989
CheaperTypical $453,650Pricier

Pricier than 96% of homes nearby

Price per ft²$232
CheaperTypical $224Pricier

Pricier than 62% of homes nearby

Living area3,113 ft²
SmallerTypical 2,028 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.34 ac
SmallerTypical 0.23 acBigger

Bigger than 73% of homes nearby

Year built2019
OlderTypical 1991Newer

Newer than 98% of homes nearby

How 643 Sierra Ct ranks against every home in each area.
MeasureThis homeBartlett 60103Cook County
Estimated valuepricier than$721,98996% of homes89% of homes
Price per ft²pricier than$23262% of homes43% of homes
Living areabigger than3,113 ft²86% of homes90% of homes
Lot sizebigger than0.34 ac73% of homes77% of homes
Year builtnewer than201998% of homesalmost all homes

About 643 Sierra Ct

How much is 643 Sierra Ct, Bartlett, IL worth?

The TopHap Estimate for 643 Sierra Ct, Bartlett, IL is $721,989 as of Sep 24, 2026. The likely range is $689,402 to $754,576. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 643 Sierra Ct, Bartlett, IL last sell?

643 Sierra Ct, Bartlett, IL last sold on Jan 12, 2022, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 643 Sierra Ct, Bartlett, IL?

643 Sierra Ct, Bartlett, IL has 4 bedrooms, 2.5 bathrooms, 3,113 square feet of living space and a 0.34-acre lot.

When was 643 Sierra Ct, Bartlett, IL built?

643 Sierra Ct, Bartlett, IL was built in 2019, making it 7 years old. The building has 2 stories.

What schools serve 643 Sierra Ct, Bartlett, IL?

643 Sierra Ct, Bartlett, IL is assigned to Liberty Elementary School (elementary), rated B+; Kenyon Woods Middle School (middle), rated B+; South Elgin High School (high), rated C-. All sit in School District U-46. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 643 Sierra Ct, Bartlett, IL compare to other homes in Bartlett 60103?

Among the 13,737 homes in Bartlett 60103, it is worth more than 96% of them ($721,989 against a typical $453,650), its price per square foot is higher than 62% of them ($232 against a typical $224), it is bigger than 86% of them (3,113 ft² against a typical 2,028 ft²), its lot is bigger than 73% of them (0.34 ac against a typical 0.23 ac) and it is newer than 98% of them (2019 against a typical 1991). Measured against all of Cook County, it is worth more than 89% 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 Sierra Ct, Bartlett, IL?

The 2023 property tax bill for 643 Sierra Ct, Bartlett, IL was $18,138. The county assessed it at $68,000.

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Assigned schools

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