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    San Mateo County, CA Duplexes for Sale

    28 results
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    San Mateo Income Property
    $1,698,000
    2,490 SF

    San Mateo Income Property

    119 E Poplar Ave, San Mateo, CA 94401

    Well-maintained duplex with additional unit in prime location.

    • Prime location between Downtown Burlingame and Downtown San Mateo.
    • Three units offer flexibility for investors or owner‑occupants.
    • Updated interiors with dual‑paned windows, newer carpet, and tile flooring.
    • Recent improvements include new dual paned windows, fresh paint, and an updated sewer lateral.
    • Large lot with potential for an ADU (buyer to verify).
    Updated: Feb 24
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    Victorian Duplex in Lower Pacific Heights
    $2,500,000
    2,502 SF

    Victorian Duplex in Lower Pacific Heights

    2654-2656 Bush St, San Francisco, CA 94115

    Charming San Francisco duplex with income potential and modern comfort.

    • Prime Lower Pacific Heights location, near Fillmore Street, Alta Plaza Park, The Presidio, Laurel Village, and Sacramento Street.
    • 2,502 sq ft Victorian duplex offering flexibility, income potential, and classic charm.
    • Upper unit: Fully remodeled 3‑bed, 2‑bath with light‑filled kitchen, vaulted‑ceiling living room, and marble fireplace.
    • Solarium‑style glass enclosure in upper unit with views of the lush backyard.
    • Lower unit: 2‑bed, 1‑bath with cozy living room and cheerful kitchen with breakfast nook.
    Updated: Feb 24
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    San Mateo Duplex Investment Opportunity
    $1,688,000
    2,137 SF

    San Mateo Duplex Investment Opportunity

    Well-maintained duplex with value-add potential in a desirable location.

    1931 Palm Ave, San Mateo, CA 94403
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    San Mateo Duplex Investment Opportunity
    $1,688,000
    2,137 SF

    San Mateo Duplex Investment Opportunity

    Well-maintained duplex with value-add potential in a desirable location.

    1927 Palm Ave, San Mateo, CA 94403
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    San Francisco Multifamily Near Golden Gate
    Pending
    $1,995,000
    3,075 SF

    San Francisco Multifamily Near Golden Gate

    Two updated flats near Golden Gate Park with parking.

    1215 34Th Ave, San Francisco, CA 94122
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    Updated Duplex in South S.F.
    $1,025,000
    1,633 SF

    Updated Duplex in South S.F.

    Well-maintained duplex with updated units, convenient location, and modern amenities.

    577-579 Miller Ave, South San Francisco, CA 94080
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    Bernal Heights Duplex Investment Opportunity
    $1,150,000
    1,066 SF

    Bernal Heights Duplex Investment Opportunity

    Turn-key duplex in prime Bernal Heights location, San Francisco.

    73 Leese St, San Francisco, CA 94110
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    San Mateo Duplex: Ideal Investment
    $1,798,888
    3,328 SF

    San Mateo Duplex: Ideal Investment

    Spacious duplex in Bowie Estates, San Mateo, near downtown.

    229 N Humboldt St, San Mateo, CA 94401
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    San Francisco Duplex with Backyard
    Pending
    $1,995,000
    2,629 SF

    San Francisco Duplex with Backyard

    Charming duplex in prime location with spacious backyard.

    2661-2663 Greenwich St, San Francisco, CA 94123
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    Spacious Multi-Unit Property in San Francisco
    $1,598,000
    4,096 SF

    Spacious Multi-Unit Property in San Francisco

    Multi-unit property with three units and flexible living options.

    745 Brazil Ave, San Francisco, CA 94112
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    San Francisco Duplex with Expansion Potential
    $899,000
    1,410 SF

    San Francisco Duplex with Expansion Potential

    Vacant duplex in Mission location with expansion possibilities.

    2758-2760 23Rd St, San Francisco, CA 94110
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    Redwood City Income Property
    Pending
    $1,595,000
    2,548 SF

    Redwood City Income Property

    Two spacious units in Redwood City's Palm Park neighborhood.

    1029 Redwood Ave, Redwood City, CA 94061
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    San Francisco Two-Unit Building
    Pending
    $1,500,000
    2,322 SF

    San Francisco Two-Unit Building

    Vacant two-unit building in the Central Sunset neighborhood.

    2410-2412 34Th Ave, San Francisco, CA 94116
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    Millbrae Duplex with Modern Updates
    $1,800,000

    Millbrae Duplex with Modern Updates

    Spacious duplex in Millbrae with renovated units and desirable location.

    11-15 Spruce St, Millbrae, CA 94030
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    San Mateo Duplex Near Caltrain
    $1,495,000

    San Mateo Duplex Near Caltrain

    Spacious duplex near downtown and Caltrain with private yards.

    305 Catalpa St, San Mateo, CA 94401
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    San Carlos Duplex with Views
    $1,895,000

    San Carlos Duplex with Views

    Spacious duplex in prime location near downtown and Caltrain.

    180 Elm St, San Carlos, CA 94070
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    Duplex Near Burlingame Avenue Shops
    $1,675,000

    Duplex Near Burlingame Avenue Shops

    Duplex located near shops, restaurants, and Caltrain.

    828 Highland Ave, San Mateo, CA 94401
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    Updated Duplex in San Mateo
    $1,675,000

    Updated Duplex in San Mateo

    Well-maintained duplex with updated units and income potential.

    1401-1403 Cary Ave, San Mateo, CA 94401
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    Two-Unit Property in Great Condition
    $1,100,000

    Two-Unit Property in Great Condition

    Two-unit property in San Francisco, in great condition.

    1661 Palou Ave, San Francisco, CA 94124
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    Remodeled Duplex in Redwood City
    $1,795,000

    Remodeled Duplex in Redwood City

    Turnkey duplex with modern amenities and spacious outdoor area.

    3519 Hoover St, Redwood City, CA 94063
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    Remodeled Duplex in Friendly Acres
    $1,899,000

    Remodeled Duplex in Friendly Acres

    Sprawling, remodeled ranch-style duplex on a corner lot.

    3232/3234 Page St, Redwood City, CA 94063
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    Nob Hill Duplex Opportunity
    $1,800,000

    Nob Hill Duplex Opportunity

    San Francisco duplex with expansion potential in prestigious Nob Hill.

    1519 Jackson St, San Francisco, CA 94109
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    Inner Richmond Vacant Duplex Opportunity
    $1,488,000

    Inner Richmond Vacant Duplex Opportunity

    Spacious Inner Richmond duplex near Clement Street shops and restaurants.

    236 6Th Ave, San Francisco, CA 94118
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    Spacious Duplex in El Granada
    $1,495,000

    Spacious Duplex in El Granada

    Inviting 2,400 sq ft duplex with modern conveniences.

    586-588 Ave, El Granada, CA 94018
    View details

    San Mateo County, CA Duplexes Investment Opportunities Market Analysis

    Explore 28 duplexes for sale in San Mateo County, CA, showcased through 28 active listings on our real estate platform. These investment opportunities span a total of 46,256 square feet of properties for sale, with an estimated market value of $20,104,888.

    Sale prices for duplexes in San Mateo County, CA start at $899,000, averaging $1,675,407, and reaching up to $2,500,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

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