Duplexes in Illinois | Reonomy

Duplexes in Illinois

Unlock property data on all 16,586 duplexes in Illinois. Search across 100 counties to find the Illinois property records you need, and get in touch with Duplex owners in any market. Discover off-market properties likely to sell, refinance, or renovate, or find recent buyers and sellers.

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Popular searches around Illinois

Reonomy attracts a large community of Illinois commercial real estate professionals, including brokers, investors, roofers, contractors, appraisers, insurance providers, and more—many of which specialize in duplexes.

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Illinois duplex sold prices and values

Values and sold prices (last 24 months) United States Illinois
Average price/sqft -- --
Average sold price $275,727 $167,315
Median sold price $88,250 $65,000
Number of sales 258,948 2,400
Number of sales over $250k 71,145 212
Number of sales over $1m 10,863 53
Number of sales over $10m 453 --
Average total tax amount $4,294 $3,365
Average assessed value $196,533 $37,507
Average market value $321,639 $111,635

Illinois duplex property averages

Property averages United States Illinois
Average lot size 34,793 sf 11,175 sf
Median lot size 6,014 sf 7,409 sf
Average building area -- --
Median building area -- --
Median year built 1940 1969
Average number of units 2 2
Median number of units 2 2

Illinois duplex total supply

Supply United States Illinois
Number of parcels 2,057,835 16,606
Aggregate lot acerage 69,140,844 3,790
Aggregate building area -- --
Aggregate units 3,730,891 30,718

Illinois duplex industrial mortgages

Debt United States Illinois
Number of mortgages 5,544,844 55,631
Average value of mortgages $283,345 $178,403

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