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    San Mateo, CA
    Duplex

    San Mateo, CA Duplexes for Sale

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    Found 11 duplex listings for sale in San Mateo, CA, averaging $772/sq ft. Use valuation data to compare deals faster.
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    2-Unit Duplex with Private Yards
    Updated: Oct 15
    2-Unit Duplex with Private Yards

    1416 Garden Lane, San Mateo, CA 94403

    $1,598,000
    1,656 sqft
    Two residences, each with 1 bedroom and 1 bathroom
    Approximately 1,656 square feet of combined living space
    Each unit has a private yard and attached one‑car garage
    Eat‑in kitchens feature shaker cabinetry, quartz countertops, tile flooring and appliances
    Fenced backyards include concrete patios and artificial turf
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    Duplex with Private Yards
    Updated: Oct 15
    Duplex with Private Yards

    14 & 16 Garden Lane, San Mateo, CA 94403

    $1,598,000
    1,656 sqft
    Two separate 1‑bedroom, 1‑bathroom units
    1,656 square feet of combined living space
    Each unit has an attached one‑car garage with laundry and storage
    Private fenced backyards feature concrete patios and artificial turf
    R200 zoning
    View details
    Duplex With Attached Garages
    Duplex With Attached Garages

    143145 N N. Humboldt Street, San Mateo, CA 94401

    $1,780,000
    4,008 sqft

    Two attached garages and private driveway parking support the property’s two-unit residential configuration.

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    Duplex with Two Attached Garages
    Duplex with Two Attached Garages

    109 Hobart Ave, San Mateo, CA 94402

    $2,250,000
    3,686 sqft 0.20 AC lot

    Renovation-ready 1948 duplex with three-bedroom layouts, separate utility metering, and two attached garages.

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    Two-Unit Duplex with Garages
    Two-Unit Duplex with Garages

    109 Hobart Avenue, San Mateo, CA 94402

    $2,526,000
    3,686 sqft

    Central forced air and a private rear outdoor area support comfortable residential occupancy.

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    Duplex with Detached Garage
    Duplex with Detached Garage

    911 Seville Way, San Mateo, CA 94402

    $1,650,000
    1,720 sqft

    Two-unit residential property near Downtown San Mateo with regional highway access.

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    Two-Bedroom Duplex
    Two-Bedroom Duplex

    4-6 Warren Rd, San Mateo, CA 94401

    Contact for pricing
    3,450 sqft 0.16 AC lot

    Two-bedroom layouts serve residents in a San Mateo property near downtown and regional transit connections.

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    Mixed-Use Building With Retail
    Mixed-Use Building With Retail

    201-203 S Delaware Street, San Mateo, CA 94401

    Contact for pricing
    5,075 sqft 0.13 AC lot

    Two street-facing retail spaces complement two upstairs apartments in a manageable mixed-use configuration.

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    Duplex with Separate Meters
    Duplex with Separate Meters

    San Mateo, CA 94401

    $1,650,000
    0.15 AC lot

    Two spacious residences offer flexible owner-use and rental-income potential, with private garages and in-unit laundry.

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    Traditional Duplex
    Traditional Duplex

    San Mateo, CA 94403

    $2,070,000

    San Mateo duplex with central air, forced-air heating, and off-street assigned parking.

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    Single-Level Duplex with Updated Kitchen
    Single-Level Duplex with Updated Kitchen

    San Mateo, CA 94403

    $1,875,000

    Two residential units feature eat-in kitchens, hardwood flooring, separate utility metering, and an expansive backyard.

    View details
    11 active listings match your search: Duplex for sale in San Mateo, CA. Based on your search, we've also compiled 4 Potential Opportunities for your consideration: 4 properties in nearby cities.

    Opportunities in Nearby Cities

    Here are 4 Similar properties we found in Nearby Locations for your consideration.

    Two-Unit Duplex with Conversion Plans
    Two-Unit Duplex with Conversion Plans

    1041 Paloma Avenue, Burlingame, CA 94010

    $2,100,000
    2,652 sqft 0.16 AC lot

    Separate residences offer flexible living arrangements, private laundry, a backyard, basement storage, and a carport.

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    Duplex with Separate Homes
    Duplex with Separate Homes

    911 Madison Avenue, Redwood City, CA 94061

    $2,250,000
    3,730 sqft 0.28 AC lot

    Two homes offer three-bedroom and two-bedroom layouts, with a dedicated garage for each residence.

    View details
    Duplex with Attached One-Car Garages
    Duplex with Attached One-Car Garages

    Redwood City, CA 94061

    $1,357,000

    Two separate units each include an attached one-car garage, with refreshed interiors and recent exterior improvements.

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    Updated Duplex with Garages
    Updated Duplex with Garages

    451 Rollins Road, Burlingame, CA 94010

    $1,300,000

    Two refreshed residences offer private yards, in-unit laundry, and separately metered utilities.

    View details

    San Mateo, CA Duplexes Market Trends and Statistics

    Explore 11 duplexes for sale in San Mateo, CA, showcased through 11 active listings on our real estate platform. These investment opportunities span a total of 24,937 square feet of properties for sale, with an estimated market value of $16,997,000.

    Sale prices for two-family homes in San Mateo, CA start at $1,598,000, averaging $1,888,555, and reaching up to $2,526,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Apartment buildings 12
    Duplexes 11
    Quadplexes 2

    Demographics Overview

    Population 141K
    Population Growth (5Y) -1.2%
    Median Household Income $165,615
    College Educated 74.2%

    High-Yield Neighborhoods for Investment

    Identify San Mateo submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    94403 $1.8M
    94401 $1.8M
    94402 $2.2M

    Taxes & Financing

    Tax Rate (average for all types) 1.30%
    Property Tax per SF $7.54 per SF
    Tax Rate vs County Average 0.17 pp above county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in San Mateo County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in San Mateo County

    Retail

    Residential Income

    Property Size Breakdown

    The majority of commercial real estate listings in San Mateo fall within the 100,000+ square foot range.

    How Realmo verifies these figures

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    Most Searched ZIP Codes in San Mateo, CA

    • 94401
    • 94403
    • 94402
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