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    Duplex properties in Alameda County

    Unlock property data on 12,822 Duplex Properties in Alameda County. Search through Alameda 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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    Alameda County duplex sold prices and values

    Values and sold prices (last 24 months) United States California Alameda County
    Average price/sqft $199 $494 $442
    Median price/sqft $92 $318 $401
    Average sold price $404,963 $1,010,613 $862,017
    Median sold price $179,931 $586,042 $750,000
    Number of sales 190,284 14,236 732
    Number of sales over $250k 74,332 12,055 671
    Number of sales over $1m 12,042 3,531 186
    Number of sales over $10m 374 102 3
    Average total tax amount $4,351 $5,884 $6,684
    Average assessed value $179,914 $453,639 $406,663
    Average market value $314,691 -- --

    Alameda County duplex property averages

    Property averages United States California Alameda County
    Average lot size 34,417 sf 20,079 sf 5,119 sf
    Median lot size 6,049 sf 6,415 sf 4,856 sf
    Average building area 140 sf 298 sf 237 sf
    Median building area 68 sf 180 sf 190 sf
    Median year built 1940 1947 1922
    Average number of units 2 2 1
    Median number of units 2 2 2

    Alameda County duplex total supply

    Supply United States California Alameda County
    Number of parcels 2,009,009 246,676 12,835
    Aggregate lot acerage 117,310,755 111,020 1,474
    Aggregate building area 150,984,215 sf 22,665,242 sf 1,091,920 sf
    Aggregate units 3,662,054 503,337 24,912

    Alameda County duplex industrial mortgages

    Debt United States California Alameda County
    Number of mortgages 5,585,191 1,164,285 64,486
    Average value of mortgages $279,131 $314,788 $254,265

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