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    San Mateo County, CA Triplexes for Sale

    11 results
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    Mixed-Use Triplex in Bayview
    $1,600,000
    3,150 SF

    Mixed-Use Triplex in Bayview

    6246 3Rd St, San Francisco, CA 94124

    Versatile property with income potential in a vibrant San Francisco neighborhood.

    • Generates immediate income from an established laundromat business.
    • Includes a spacious 3 bed / 1 bath apartment.
    • Features a 1 bed / 1 bath unit.
    • Offers a comfortable manager’s suite.
    • Located in a vibrant, high‑traffic neighborhood poised for continued growth.
    Updated: Dec 22, 2025
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    Mixed-Use Property in San Francisco
    $1,200,000
    3,075 SF

    Mixed-Use Property in San Francisco

    4871 Mission St, San Francisco, CA 94112

    Mixed-use property with retail space and residential units in San Francisco.

    • Prime, high‑visibility location ideal for commercial and residential use.
    • Turnkey property with established retail space and fully‑leased residential apartments providing consistent rental income.
    • Bonus 2 Bed/1 Bath owner's unit behind the retail space.
    • Solar electrical system and separate utility meters for reduced operating costs.
    • Excellent potential for owner‑user, investor, or 1031 exchange.
    Updated: Sep 21, 2025
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    Historic San Mateo Triplex with Studio
    $1,998,888
    3,880 SF

    Historic San Mateo Triplex with Studio

    1907 triplex with bonus studio in central San Mateo.

    320 Villa Ter, San Mateo, CA 94401
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    Nob Hill Victorian Multi-Family
    Pending
    $1,986,000
    6,386 SF

    Nob Hill Victorian Multi-Family

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

    1645-1649 Sacramento St, San Francisco, CA 94109
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    Mixed-Use Triplex in Outer Mission
    $1,199,000

    Mixed-Use Triplex in Outer Mission

    Mixed-use triplex with income potential in a convenient location.

    5306-5308 Mission St, San Francisco, CA 94112
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    Pacific Heights Triplex Opportunity
    $649,000

    Pacific Heights Triplex Opportunity

    Three-unit building in a sought-after San Francisco location.

    1450 Lyon St, San Francisco, CA 94115
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    Glen Park Mixed-Use Property
    $1,100,000
    3,510 SF

    Glen Park Mixed-Use Property

    Three-unit mixed-use property in San Francisco's Glen Park neighborhood.

    19 Joost Ave, San Francisco, CA 94131
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    Redwood City Triplex Opportunity
    $1,650,000

    Redwood City Triplex Opportunity

    Triplex in desirable Redwood City neighborhood with long-term tenants.

    1235 Whipple Ave, Redwood City, CA 94062
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    San Mateo Triplex in Aragon
    $2,098,000

    San Mateo Triplex in Aragon

    Turn-key three-unit building in San Mateo's Aragon neighborhood.

    6 Avila Rd, San Mateo, CA 94402
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    Burlingame Triplex Investment Opportunity
    $1,939,999

    Burlingame Triplex Investment Opportunity

    Fully leased triplex in prime Burlingame location.

    824 El Camino Real, Burlingame, CA 94010
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    North Beach Triplex Opportunity
    $2,680,000

    North Beach Triplex Opportunity

    Well-maintained triplex in North Beach, San Francisco. Delivered vacant.

    2118-2122 Mason St, San Francisco, CA 94133
    View details
    Based on your search, we've compiled 11 Potential Opportunities for your consideration. Besides 11 Active listings in San Mateo County, CA, we suggest exploring several alternatives:

    San Mateo County, CA Triplexes Investment Opportunities Market Analysis

    Explore 11 triplexes for sale in San Mateo County, CA, showcased through 11 active listings on our real estate platform. These investment opportunities span a total of 13,186 square feet of properties for sale, with an estimated market value of $5,184,888.

    Prices for three-family homes in San Mateo County, CA start at $1,200,000, averaging $1,728,296, and reaching up to $1,998,888 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

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    Browse Triplexes for Sale Near San Mateo, CA

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