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    San Mateo County, CA Duplexes for Sale

    27 results
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    Corner Home with Income Potential
    $1,600,000
    2,715 SF

    Corner Home with Income Potential

    42 Farragut Ave, San Francisco, CA 94112

    Two-level home with ADU, ideal for multi-generational living.

    • Permitted ADU (545 sq ft) provides income potential or multi‑generational living options.
    • Prime San Francisco location near Cayuga Playground, shopping, dining, transit, BART, Hwy 101, I‑280, City College, and San Francisco State University.
    • Spacious main residence (approx. 2,170 sq ft) features hardwood floors, bay windows, and a wood‑burning fireplace.
    • Flexible lower level with separate entrance, full bath, and closet.
    • Move‑in ready condition with new paint throughout.
    Updated: Dec 31, 2025
    View details
    Spacious Multi-Unit Property in San Francisco
    $1,598,000
    4,096 SF

    Spacious Multi-Unit Property in San Francisco

    745 Brazil Ave, San Francisco, CA 94112

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

    • Multi‑unit property with three separate residential units totaling 4,096 sq ft.
    • Includes a 2‑bedroom, 1‑bathroom unit featuring stainless steel appliances, recessed lighting, formal dining room, and a fireplace, plus an attached 1‑car garage.
    • Features a separate 3‑bedroom, 1‑bathroom unit with a private entrance and spacious layout.
    • Offers a detached 3‑bedroom, 1.5‑bathroom unit with its own 1‑car garage.
    • Located in San Francisco's Excelsior neighborhood, near local schools, shops, and public transit.
    Updated: Dec 22, 2025
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    Refreshed Duplex in San Bruno
    $1,198,000
    1,560 SF

    Refreshed Duplex in San Bruno

    Updated duplex in San Bruno Park neighborhood with income potential.

    529/533 Huntington Ave, San Bruno, CA 94066
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    Victorian Duplex in Lower Pacific Heights
    $2,195,000
    2,502 SF

    Victorian Duplex in Lower Pacific Heights

    Charming 2-unit property in a desirable San Francisco location.

    2654-2656 Bush St, San Francisco, CA 94115
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    San Francisco Multifamily Near Golden Gate
    $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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    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
    View details
    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 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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    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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    Mission Terrace Mixed-Use Redevelopment Opportunity
    $950,000
    3,200 SF

    Mission Terrace Mixed-Use Redevelopment Opportunity

    Mixed-use property with redevelopment potential in vibrant Excelsior District.

    4480-4482 Mission St, San Francisco, CA 94112
    View details
    Mission Street Mixed-Use Building
    $950,000
    3,200 SF

    Mission Street Mixed-Use Building

    Three-unit mixed-use building in vibrant Excelsior District.

    Mission St, San Francisco, CA 94112
    View details
    Glen Park Duplex with Upgrades
    $1,198,000

    Glen Park Duplex with Upgrades

    Charming Glen Park duplex near BART and local amenities.

    58 Monterey Blvd, San Francisco, CA 94131
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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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    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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    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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    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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    Glen Park Renovated Duplex
    $1,399,000

    Glen Park Renovated Duplex

    Vacant, renovated duplex in desirable Glen Park neighborhood.

    360 Laidley St, San Francisco, CA 94131
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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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    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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    Updated Duplex in Redwood City
    $1,400,000

    Updated Duplex in Redwood City

    Fully occupied duplex with modern updates and excellent location.

    920 7Th Ave, Redwood City, CA 94063
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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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    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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    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
    View details
    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
    View details

    San Mateo County, CA Duplexes Investment Opportunities Market Analysis

    Explore 27 duplexes for sale in San Mateo County, CA, showcased through 27 active listings on our real estate platform. These investment opportunities span a total of 36,935 square feet of properties for sale, with an estimated market value of $17,951,000.

    Prices for duplexes in San Mateo County, CA start at $899,000, averaging $1,631,909, and reaching up to $2,195,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Duplexes by market

    Browse Duplexes for Sale Near San Mateo, CA

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