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Single Family ResidenceResidential
$856,635$197 / 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 84How 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
Last sold for $815,000 on Jul 30, 2003

691 UNION AVE

BARTLETT, IL 60103
4
Beds
3.5
Baths
4,338 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.
0.48 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.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$857K
$720K low$994K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$815,000 · Jul 30, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,510 (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.$219,345 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$45,395
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$173,950
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$201,790
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$658,035

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDUPAGE
Lot (acres)The size of the land the home sits on, from county records.0.48
CoolingThe type of cooling or air conditioning in the home.Central
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(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.

E
Bartlett Elementary SchoolB
Elementary · Grades KG–6 · 1.3 mi
M
Eastview Middle SchoolB+
Middle · Grades 7–8 · 1.6 mi
H
South Elgin High SchoolC-
High · Grades 9–12 · 4.3 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%

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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

691 Union Ave 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.

  • Among the most valuable homes in Bartlett 60103
  • Costs less per square foot than 86% of homes in DuPage County
  • Bigger than 97% of homes in Bartlett 60103
  • Has a bigger lot than 83% of homes in Bartlett 60103
  • Newer than 92% of homes in DuPage 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
$217K$789K

This home is worth more than almost all 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$856,635
CheaperTypical $455,284Pricier

Pricier than almost all homes nearby

Price per ft²$197
CheaperTypical $224Pricier

Pricier than 24% of homes nearby

Living area4,338 ft²
SmallerTypical 2,028 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.48 ac
SmallerTypical 0.23 acBigger

Bigger than 83% of homes nearby

Year built2003
OlderTypical 1991Newer

Newer than 90% of homes nearby

How 691 Union Ave ranks against every home in each area.
MeasureThis homeBartlett 60103DuPage County
Estimated valuepricier than$856,635almost all homes88% of homes
Price per ft²pricier than$19724% of homes14% of homes
Living areabigger than4,338 ft²97% of homes96% of homes
Lot sizebigger than0.48 ac83% of homes79% of homes
Year builtnewer than200390% of homes92% of homes

About 691 Union Ave

How much is 691 Union Ave, Bartlett, IL worth?

The TopHap Estimate for 691 Union Ave, Bartlett, IL is $856,635 as of Sep 24, 2026. The likely range is $719,754 to $993,516. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 691 Union Ave, Bartlett, IL last sell?

691 Union Ave, Bartlett, IL last sold on Jul 30, 2003 for $815,000, according to the county's recorded deed.

How big is 691 Union Ave, Bartlett, IL?

691 Union Ave, Bartlett, IL has 4 bedrooms, 3.5 bathrooms, 4,338 square feet of living space and a 0.48-acre lot.

When was 691 Union Ave, Bartlett, IL built?

691 Union Ave, Bartlett, IL was built in 2003, making it 23 years old. The building has 2 stories.

What schools serve 691 Union Ave, Bartlett, IL?

691 Union Ave, Bartlett, IL is assigned to Bartlett Elementary School (elementary), rated B; Eastview 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 691 Union Ave, Bartlett, IL compare to other homes in Bartlett 60103?

Among the 13,737 homes in Bartlett 60103, it is worth more than almost all of them ($856,635 against a typical $455,284), its price per square foot is higher than 24% of them ($197 against a typical $224), it is bigger than 97% of them (4,338 ft² against a typical 2,028 ft²), its lot is bigger than 83% of them (0.48 ac against a typical 0.23 ac) and it is newer than 90% of them (2003 against a typical 1991). Measured against all of DuPage County, it is worth more than 88% 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 691 Union Ave, Bartlett, IL?

The 2025 property tax bill for 691 Union Ave, Bartlett, IL was $15,510. The county assessed it at $219,345.

More homes on Union Ave

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Assigned schools

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