Duplexes in Suffolk County | Reonomy

Duplexes in Suffolk County

Unlock property data on 11,530 duplexes in Suffolk County. Search through Suffolk County property records and access full owner contact information to find off-market properties likely to sell, refinance, or renovate. Find recent buyers and sellers.

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

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Suffolk County duplex sold prices and values

Values and sold prices (last 24 months) United States New York Suffolk County
Average price/sqft -- -- --
Average sold price $383,824 $443,313 $468,864
Median sold price $161,774 $163,356 $450,000
Number of sales 290,483 51,565 971
Number of sales over $250k 110,575 22,194 793
Number of sales over $1m 17,525 4,959 35
Number of sales over $10m 803 84 --
Average total tax amount $4,518 $5,652 $10,450
Average assessed value $200,457 $76,530 $55,342
Average market value $327,940 $572,371 $433,178

Suffolk County duplex property averages

Property averages United States New York Suffolk County
Average lot size 35,785 sf 12,473 sf 16,648 sf
Median lot size 5,984 sf 3,707 sf 11,279 sf
Average building area -- -- --
Median building area -- -- --
Median year built 1940 1926 1962
Average number of units 2 2 2
Median number of units 2 2 2

Suffolk County duplex total supply

Supply United States New York Suffolk County
Number of parcels 2,179,526 472,784 11,530
Aggregate lot acerage 1,669,321 120,177 4,027
Aggregate building area -- -- --
Aggregate units 3,889,518 841,287 21,306

Suffolk County duplex industrial mortgages

Debt United States New York Suffolk County
Number of mortgages 6,453,348 1,357,682 32,913
Average value of mortgages $349,272 $280,244 $192,275

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