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    San Mateo County, CA Triplexes for Sale

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    Los Angeles, CA Lancaster, CA San Diego, CA
    16 results
    Eureka Valley Multi-Family Investment
    $3,800,000
    3,353 SF

    Eureka Valley Multi-Family Investment

    130 Grand View AVE, San Francisco, CA 94114

    Three-unit building in San Francisco's desirable Eureka Valley neighborhood.

    • Rare 3‑unit building in desirable Eureka Valley.
    • Extensive $1M+ renovation focused on the top unit and building infrastructure.
    • Penthouse (Unit 3) features a tri‑level remodel with modern open‑plan layout.
    • Expansive new backyard and multiple decks with sweeping city views (Unit 3).
    • Each unit includes a new dishwasher and in‑unit laundry (washer & dryer).
    Updated: Apr 2
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    Turnkey Triplex in Redwood City
    $2,750,000
    4,490 SF

    Turnkey Triplex in Redwood City

    503 W Fox Ct, Redwood City, CA 94061

    Trophy triplex with excellent rental income in desirable Redwood City.

    • Outstanding rental income: $148,800.00 annually.
    • Turnkey triplex in a highly desirable Redwood City neighborhood.
    • Main owner's unit: 1,990 sf, 3 beds, 2 baths, 2‑car garage, large private yard.
    • Two townhouse‑style units: 1,250 sf each, 2 beds, 1.5 baths, single‑car garages, private yards.
    • Interior and exterior renovations and capital improvements throughout.
    Updated: May 19
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    Nob Hill Victorian Multi-Family
    $1,986,000
    6,386 SF

    Nob Hill Victorian Multi-Family

    Spacious 3-unit Victorian in San Francisco's Nob Hill.

    1645-1649 Sacramento Street, San Francisco, CA 94109
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    Inner Mission Triplex Opportunity
    $999,000

    Inner Mission Triplex Opportunity

    Well-located Inner Mission triplex with versatile unit mix.

    1270 Hampshire St, San Francisco, CA 94110
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    Three-Unit Multifamily Investment Opportunity
    $1,498,888
    4,500 SF

    Three-Unit Multifamily Investment Opportunity

    Three-unit multifamily property with solar, strong income, and great location.

    1615 Oakdale Ave, San Francisco, CA 94124
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    Upgraded Triplex with City Views
    $1,250,000

    Upgraded Triplex with City Views

    Renovated triplex in Daly City with excellent transit access.

    299 Rhine St, Daly City, CA 94014
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    Half Moon Bay Triplex Near Downtown
    $1,450,000
    1,326 SF

    Half Moon Bay Triplex Near Downtown

    Triplex near Main Street with ample parking and new roof.

    430 Pine Ave, Half Moon Bay, CA 94019
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    Versatile Building Near Caltrain
    $1,999,999

    Versatile Building Near Caltrain

    Adaptable building suitable for office, school, medical, or residential use.

    422-426 Peninsula Ave, San Mateo, CA 94401
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    Eureka Valley Multi-Family Investment
    $3,800,000

    Eureka Valley Multi-Family Investment

    Three-unit building in desirable San Francisco location, ideal for investors.

    130 Grand View AVE, San Francisco, CA 94114
    View details
    Russian Hill Triplex Opportunity
    $1,895,000

    Russian Hill Triplex Opportunity

    Charming triplex in prime Russian Hill location.

    37 Glover St, San Francisco, CA 94109
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    Mixed-Use Asset in Outer Richmond
    $1,250,000

    Mixed-Use Asset in Outer Richmond

    Three-unit mixed-use property in San Francisco's Outer Richmond.

    3405 Anza St, San Francisco, CA 94121
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    Burlingame Triplex Investment Opportunity
    $1,899,999
    0.13 Acres

    Burlingame Triplex Investment Opportunity

    Fully leased triplex in prime Burlingame location.

    824 El Camino Real, Burlingame, CA 94010
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    Lower Haight Multifamily Investment
    $3,100,000
    4,600 SF

    Lower Haight Multifamily Investment

    Well-maintained three-unit building in a desirable San Francisco location.

    630 Haight Street, San Francisco, CA 94117
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    Mixed-Use Asset in Outer Richmond
    $1,250,000
    2,700 SF

    Mixed-Use Asset in Outer Richmond

    Three-unit mixed-use property in San Francisco's Outer Richmond.

    3405 Anza St, San Francisco, CA 94121
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    Bernal Heights Triplex Opportunity
    $1,150,000
    2,110 SF

    Bernal Heights Triplex Opportunity

    Three-unit building in Bernal Heights with income growth potential.

    1560-1564 Cortland Avenue, San Francisco, CA 94110
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    Daly City Triplex with Views
    $1,400,000
    2,260 SF

    Daly City Triplex with Views

    Renovated triplex in Daly City with city views.

    299 Rhine St, Daly City, CA 94014
    View details
    Based on your search, we've compiled 16 Potential Opportunities for your consideration. Besides 16 Active listings in San Mateo County, CA, we suggest exploring several alternatives:

    San Mateo County, CA Triplexes Investment Opportunities Market Analysis

    Explore 16 triplexes for sale in San Mateo County, CA, showcased through 16 active listings on our real estate platform. These investment opportunities span a total of 25,444 square feet of properties for sale, with an estimated market value of $12,979,888.

    Sale prices for three-family homes in San Mateo County, CA start at $1,250,000, averaging $1,854,269, and reaching up to $3,800,000 — 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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