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    San Mateo, CA
    Duplex

    San Mateo, CA Duplexes for Sale

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    Vacant Duplex with Attached Garage
    Updated: Aug 21
    Vacant Duplex with Attached Garage

    201 S Idaho ST, San Mateo, CA 94401

    $1,699,000
    3,385 sqft 0.18 AC lot
    Legal duplex with 3,385 square feet across two residences
    7,630‑square‑foot lot in Central San Mateo
    Unit mix includes 4 bedrooms and 2 bathrooms, plus 3 bedrooms and 1 bathroom
    Both units delivered vacant
    Attached 2‑car garage
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    This listing looks promising.

    Here's a quick look at some key insights for

    201 S Idaho ST, SAN MATEO, CA 94401

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    • Est. Cap Rate

      5%
      NOI ÷ price

    • Est. NOI

      $85K
      Annual

    • Price @ 7% Cap

      $1.21M
      Suggested

    • Property Type

      Duplex
      Built 1950
    View Property Analytics
    Duplex with Two Attached Garages
    Updated: Jun 28
    Duplex with Two Attached Garages

    109 Hobart Ave, San Mateo, CA 94402

    $2,600,000
    3,686 sqft 0.20 AC lot
    Duplex property on an 8,752 SF lot; originally constructed in 1948.
    Gross building size of 3,686 SF with three‑bedroom floor plans in each unit.
    Each unit has separate utility metering for flexible multifamily or owner‑user operation.
    Two attached car garages plus a patio and a spacious backyard.
    Within one mile of San Mateo Central Park and Downtown San Mateo.
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    Vacant Duplex With Attached Garage
    Vacant Duplex With Attached Garage

    201 S Idaho Street, San Mateo, CA 94401

    $1,699,000
    3,385 sqft 0.18 AC lot

    Legal two-unit property offers separate residences, flexible occupancy options, and access to downtown amenities and regional transit.

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    Two-Bedroom Duplex Investment Property
    Two-Bedroom Duplex Investment Property

    4 Warren Rd, San Mateo, CA 94401

    $2,328,000
    3,450 sqft 0.16 AC lot

    Duplex with two-bedroom floor plans near downtown amenities and regional transportation connections.

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    Turn a Listing Into an Investment Snapshot Cap Rate, Potential NOI, Demand score for every listing. Go To Analytics Center
    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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    Duplex With Attached Garage
    Duplex With Attached Garage

    317 N Grant St, San Mateo, CA 94401

    $1,350,000
    1 sqft

    Two separate units include off-street parking and access to a spacious rear yard.

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    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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    Traditional Duplex
    Traditional Duplex

    65 Burbank Avenue, San Mateo, CA 94403

    $2,075,000
    2,373 sqft

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

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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 Detached Garage
    Duplex With Detached Garage

    218 N Ellsworth Ave, San Mateo, CA 94401

    Contact for pricing
    2,253 sqft 0.13 AC lot

    Duplex with one vacant unit and one tenant-occupied unit, plus a detached garage.

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    Two-Unit Duplex with Garage Parking
    Two-Unit Duplex with Garage Parking

    San Mateo, CA 94401

    $1,825,000

    Two spacious residences feature three-bedroom, two-bath layouts with central forced air.

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    Updated Two-Unit Duplex
    Updated Two-Unit Duplex

    San Mateo, CA 94403

    $2,070,000

    Two residences offer flexible layouts, private outdoor areas, and individual electric and gas metering.

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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.

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

    San Mateo, CA 94403

    $1,650,000

    Each residence includes a separate yard, garage, washer, and dryer for added privacy and convenience.

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    Based on your search, we've compiled 18 Potential Opportunities for your consideration. Besides 14 Active listings in San Mateo, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities

    Opportunities in Nearby Cities

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

    Updated Single-Story Duplex
    Updated Single-Story Duplex

    772 Walnut ST, San Bruno, CA 94066

    $999,999
    1,362 sqft 0.06 AC lot

    Two remodeled units offer in-unit laundry, enclosed garages, and private outdoor areas.

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    Duplex with Separate Garages
    Duplex with Separate Garages

    449 Angus Avenue, San Bruno, CA 94066

    $1,199,000
    1,220 sqft

    Two separately accessed units include private rear yards and individual garages.

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    Updated Duplex with Garages
    Updated Duplex with Garages

    451 Rollins Road, Burlingame, CA 94010

    $1,349,000

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

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    Single-Story Duplex with Private Yards
    Single-Story Duplex with Private Yards

    451-453 Rollins Road, Burlingame, CA 94010

    Contact for pricing
    1,996 sqft

    Two leased cottages each include a dedicated garage and fenced yard.

    View details

    San Mateo, CA Duplexes Market Trends and Statistics

    Explore 14 duplexes for sale in San Mateo, CA, showcased through 14 active listings on our real estate platform. These investment opportunities span a total of 29,336 square feet of properties for sale, with an estimated market value of $22,601,000.

    Sale prices for duplexes in San Mateo, CA start at $1,350,000, averaging $1,883,416, and reaching up to $2,600,000 — 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 18
    Duplexes 16
    Quadplexes 5
    Triplexes 1

    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
    94401 $1.4M
    94402 $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.

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    Most Searched ZIP Codes in San Mateo, CA

    • 94401
    • 94402
    • 94403

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