Duplexes in San Diego County

Unlock property data on 12,036 duplexes in San Diego County. Search through San Diego 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.

Get in touch with San Diego County Duplex owners directly to win more business.

Start a limited search below, or access full San Diego County property data here.

1-30 of 12,036 results

Popular searches around San Diego County

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

To unlock full property records and owner contact information start a free trial

San Diego County duplex sold prices and values

Values and sold prices (last 24 months) United States California San Diego County
Average price/sqft $1,970 $2,048 $1,659
Average sold price $400,478 $1,030,076 $1,082,971
Median sold price $180,566 $595,132 $667,916
Number of sales 175,726 12,877 563
Number of sales over $250k 68,742 10,920 533
Number of sales over $1m 11,101 3,263 160
Number of sales over $10m 398 93 3
Average total tax amount $4,179 $6,455 $5,366
Average assessed value $190,179 $548,981 $542,890
Average market value $307,943 $548,981 $542,890

San Diego County duplex property averages

Property averages United States California San Diego County
Average lot size 37,168 sf 20,096 sf 17,094 sf
Median lot size 6,054 sf 6,414 sf 6,600 sf
Average building area 140 sf 298 sf 358 sf
Median building area 69 sf 182 sf 242 sf
Median year built 1939 1946 1955
Average number of units 2 2 1
Median number of units 2 2 2

San Diego County duplex total supply

Supply United States California San Diego County
Number of parcels 2,010,206 246,773 12,039
Aggregate lot acerage 117,420,630 111,123 4,571
Aggregate building area 151,473,441 sf 22,648,895 sf 1,167,543 sf
Aggregate units 3,606,350 506,431 23,219

San Diego County duplex industrial mortgages

Debt United States California San Diego County
Number of mortgages 5,606,713 1,166,859 56,141
Average value of mortgages $279,711 $315,879 $305,265

To unlock full property records and owner contact information start a free trial