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    Sonoma County, CA Duplexes for Sale

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    Duplex with Detached ADU
    Updated: Oct 1
    Duplex with Detached ADU

    4941 Hansen Drive, Santa Rosa, CA 95409

    $899,900
    2,246 sqft 0.41 AC lot
    0.4063‑acre parcel with duplex zoning
    1,466‑square‑foot main home with 2 to 3 bedrooms and 2 full bathrooms
    Detached 650‑square‑foot ADU with 2 bedrooms and a separate electricity sub‑meter
    Built in 1957; ranch‑style architecture
    Private well with UV filtration and public sewer service
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    Ranch Duplex with Private Yards
    Updated: Sep 18
    Ranch Duplex with Private Yards

    2721-2723 Victoria Drive, Santa Rosa, CA 95407

    $595,000
    1,500 sqft 0.23 AC lot
    Two‑unit duplex with 1,500 square feet of property size
    Each unit includes 2 bedrooms and 1 bathroom
    Private yard and attached garage for each residence
    Located at 2721‑2723 Victoria Drive, Santa Rosa, CA 95407
    Built in 1960 with ranch‑style architecture and stucco construction
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    Fully Rented Two-Unit Duplex
    Fully Rented Two-Unit Duplex

    4438 Yukon Drive, Santa Rosa, CA 95409

    $920,000
    2,080 sqft

    Two leased residential units offer three-bedroom layouts, private garages, and an established Rincon Valley location near schools and shopping.

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    Updated 2-Unit Duplex
    Updated 2-Unit Duplex

    7321 Sebastopol Ave, Sebastopol, CA 95472

    $899,000
    2,012 sqft

    Two residences offer private outdoor areas and refreshed kitchens and baths.

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    Fully Rented Duplex with Garages
    Fully Rented Duplex with Garages

    4434 Yukon Drive, Santa Rosa, CA 95409

    $940,000
    2,080 sqft

    Two residential units feature three-bedroom layouts, private garage parking, and established occupancy.

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

    8005 Trenton Court, Forestville, CA 95436

    $649,000
    2,236 sqft 0.09 AC lot

    Two separate residences offer three-bedroom layouts, private yards, indoor laundry hookups, and individual garages.

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    Remodeled Duplex with ADU
    Remodeled Duplex with ADU

    1524 Fair Oaks Court, Santa Rosa, CA 95404

    $1,325,000
    2,552 sqft 0.43 AC lot

    Two residences plus flexible studio space offer adaptable living, workspace, and guest accommodation options.

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    Remodeled Duplex with Pool
    Remodeled Duplex with Pool

    970 Glenwood Drive, Sonoma, CA 95476

    $1,395,000
    1,056 sqft

    Two separate residences share a landscaped Sonoma property with extensive outdoor amenities and flexible living arrangements.

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    Duplex with Two Detached Homes
    Duplex with Two Detached Homes

    476 Sonoma Avenue, Santa Rosa, CA 95401

    $850,000
    2,345 sqft 0.13 AC lot

    Two separate residences offer private outdoor areas, designated parking, laundry rooms, and independent utility meters.

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    Duplex with Courtyard
    Duplex with Courtyard

    7811 Stefenoni Court, Sebastopol, CA 95472

    $1,399,000
    2,724 sqft

    The property includes attached parking and a courtyard, with a layout suited to two residential units.

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    Remodeled Duplex with Accessory Structure
    Remodeled Duplex with Accessory Structure

    17090 Sonoma Highway, Sonoma, CA 95476

    $899,000
    2,650 sqft 0.17 AC lot

    Two separate residences feature updated kitchens, remodeled bathrooms, and flexible outdoor space.

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    Duplex with Side-by-Side Carport
    Duplex with Side-by-Side Carport

    1644 Jennings Avenue, Santa Rosa, CA 95401

    $749,000
    1,652 sqft

    Two residential units include ceiling fans, wall furnaces, and kitchens equipped with freestanding ranges and refrigerators.

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    Duplex with Attached Garage
    Duplex with Attached Garage

    2038 Terry Road, Santa Rosa, CA 95403

    $741,500
    1,728 sqft

    Two separate dwelling units provide a residential income property configuration.

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    Updated Duplex with Separate Second Home
    Updated Duplex with Separate Second Home

    Santa Rosa, CA 95403

    $900,000

    Includes a three-bedroom main residence and a one-bedroom second home with distinct living spaces.

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    Updated Duplex with Detached ADU
    Updated Duplex with Detached ADU

    1109 Saint Vincent Court, Petaluma, CA 94954

    $1,200,000

    Two separate residences provide flexible living arrangements with independent utilities and a permitted accessory dwelling unit.

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    Two-Home Duplex Property
    Two-Home Duplex Property

    375 Florence Avenue, Sebastopol, CA 95472

    $1,195,000

    Separate residences offer three-bedroom layouts, private positioning, and a two-car garage.

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    Renovated Two-Unit Duplex
    Renovated Two-Unit Duplex

    Santa Rosa, CA 95401

    $717,500

    Side-by-side residences offer separate meters, attached garages, dedicated parking, and laundry hookups.

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    Mixed-Use Property with Attached Duplex
    Mixed-Use Property with Attached Duplex

    231 Matheson St, Healdsburg, CA 95448

    $2,300,000

    Combines office space with three residential units in a flexible downtown configuration.

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    Based on your search, we've compiled Potential Opportunities for your consideration. Besides 18 Active Listings in Sonoma County, CA

    Sonoma County, CA Duplexes Market Trends and Statistics

    Explore 18 duplexes for sale in Sonoma County, CA, showcased through 18 active listings on our real estate platform. These investment opportunities span a total of 26,861 square feet of properties for sale, with an estimated market value of $18,573,900.

    Sale prices for two-family homes in Sonoma County, CA start at $595,000, averaging $1,031,883, and reaching up to $2,300,000 — 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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    Featured Sonoma County Real Estate Agencies

    Realmo connects you with licensed Sonoma County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    Keller Williams Realty
    120 Stony Point Road, Suite 140 Santa Rosa, CA 95401
    Phone: 17072064502
    www.kellerwilliamsrealty.com
    Corcoran Icon Properties
    2416 Sonoma Avenue Santa Rosa, CA 95405
    Phone: 18554371704
    www.CorcoranIcon.com
    Westgate Real Estate
    221 Petaluma Blvd South Petaluma, CA 94952
    Phone: 17077699590
    www.westgaterealestate.com
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