Duplexes in Nassau County | Reonomy

Duplexes in Nassau County

Unlock property data on 23,907 duplexes in Nassau County. Search through Nassau 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 Nassau 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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Nassau County duplex sold prices and values

Values and sold prices (last 24 months) United States New York Nassau County
Average price/sqft -- -- --
Average sold price $442,720 $427,581 $517,274
Median sold price $158,548 $162,670 $552,774
Number of sales 249,087 48,152 2,150
Number of sales over $250k 92,547 20,812 1,645
Number of sales over $1m 15,068 4,332 52
Number of sales over $10m 487 62 --
Average total tax amount $4,620 $5,824 $9,846
Average assessed value $208,793 $75,665 $618
Average market value $332,667 $574,370 $522,073

Nassau County duplex property averages

Property averages United States New York Nassau County
Average lot size 30,967 sf 12,254 sf 6,464 sf
Median lot size 6,096 sf 3,664 sf 6,000 sf
Average building area -- -- --
Median building area -- -- --
Median year built 1940 1925 1951
Average number of units 2 2 2
Median number of units 2 2 2

Nassau County duplex total supply

Supply United States New York Nassau County
Number of parcels 1,951,941 468,688 23,907
Aggregate lot acerage 1,284,551 116,670 3,094
Aggregate building area -- -- --
Aggregate units 3,489,582 832,913 41,725

Nassau County duplex industrial mortgages

Debt United States New York Nassau County
Number of mortgages 5,551,690 1,329,381 70,421
Average value of mortgages $337,946 $274,185 $232,750

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