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    King County, WA Duplexes for Sale

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    Beacon Hill Development Opportunity
    Updated: Sep 30, 2025
    Beacon Hill Development Opportunity

    1306 S Bayview St, Seattle, WA

    $1,295,000
    2,810 sqft · 0.80 AC lot
    Zoned LR3 urban village, supporting higher density residential or mixed‑use development.
    7,610 SF development site in North Beacon Hill.
    Existing duplex generates $65,000 in annual income.
    Immediate cash flow during pre‑development or entitlement process.
    Zoning flexibility allows for long‑term appreciation through redevelopment.
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    Mixed-Use Investment Opportunity in Kenmore
    Updated: May 14
    Mixed-Use Investment Opportunity in Kenmore

    6443 181st St, Kenmore, WA 98028

    $1,550,000
    4,140 sqft
    Rare mixed‑use investment opportunity with duplex and commercial office buildings.
    Strong in‑place income with additional upside potential.
    Fully occupied commercial/medical office building with structured annual rent increases.
    Duplex units feature 2 bedrooms, 1 bath, in‑unit washer/dryers, and laminate flooring.
    New roof installed last year on the duplex.
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    Kenmore Mixed-Use Investment Opportunity
    Kenmore Mixed-Use Investment Opportunity

    6443-6461 NE 181st St, Kenmore, WA 98028

    $1,550,000
    4,140 sqft

    Duplex and commercial building with income and redevelopment potential.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Well-Maintained Duplex in Central Greenwood
    Well-Maintained Duplex in Central Greenwood

    814 North 105th Street, Seattle, WA 98133

    $925,000
    5,000 sqft

    Centrally located duplex with long-term tenants and development opportunities.

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    Remodeled Mixed-Use Corner Lot
    Remodeled Mixed-Use Corner Lot

    108 S 108th Street, Seattle, WA 98168

    $2,997,000
    1,380 sqft · 0.23 AC lot

    Remodeled mixed-use building with warehouse, office, and apartments.

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    North Queen Anne Multifamily Portfolio
    North Queen Anne Multifamily Portfolio

    3463 6th Ave W, Seattle, WA 98119

    $2,294,000

    Two multifamily buildings in Seattle with renovation and lease-up potential.

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    West Seattle Multifamily Investment Opportunity
    West Seattle Multifamily Investment Opportunity

    2515 Belvidere Ave SW, Seattle, WA 98126

    $4,600,000
    8,705 sqft

    Thirteen-unit apartment complex in premier North Admiral location.

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    Queen Anne Multifamily Value-Add Opportunity
    Queen Anne Multifamily Value-Add Opportunity

    3036 4th Ave W, Seattle, WA 98119

    $2,000,000

    Six-unit multifamily property in Queen Anne with value-add potential.

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    Duplex in Old Burien Location
    Duplex in Old Burien Location

    15212 9th Ave SW, Seattle, WA

    Contact for pricing
    0.06 AC lot

    Well-maintained duplex in a desirable, vibrant, and growing community.

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    Duplex with Development Potential
    Duplex with Development Potential

    13076 Renton Ave S, Seattle, WA 98178

    $649,000

    Duplex with R-14 zoning and development potential.

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    Based on your search, we've compiled 10 Potential Opportunities for your consideration. Besides 10 Active listings in King County, WA, we suggest exploring several alternatives:

    King County, WA Duplexes Market Trends and Statistics

    Explore 10 duplexes for sale in King County, WA, showcased through 10 active listings on our real estate platform. These investment opportunities span a total of 26,175 square feet of properties for sale, with an estimated market value of $12,917,000.

    Sale prices for duplexes in King County, WA start at $925,000, averaging $2,152,833, and reaching up to $4,600,000 — 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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