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    Cowlitz County, WA Residential Income Properties for Sale

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    Modern Two-Unit Duplex
    Updated: Aug 27
    Modern Two-Unit Duplex

    957 WILLOW St, Kelso, WA 98626

    $725,000
    2,988 sqft
    Duplex with 2,988 SF total and 1,494 SF per unit
    Each unit includes 3 bedrooms and 2.5 bathrooms
    Built in 2023; zoned Multi
    Quartz countertops and stainless steel appliances in each unit
    Fully fenced, usable backyards with garages
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    Modern 10-Unit Duplex Portfolio
    Updated: Jul 31
    Modern 10-Unit Duplex Portfolio

    950 WALNUT St, Kelso, WA 98626

    $3,600,000
    16,200 sqft
    Five 2023‑built duplexes totaling 10 fully occupied units
    Unit layouts include 1,494 SF and 1,809 SF plans
    Each unit offers 3 bedrooms and 2.5 bathrooms
    Quartz countertops, stainless steel appliances, walk‑in closets, and walk‑in showers
    Fully fenced backyards, garages, and extended driveways provide outdoor and parking amenities
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    Four-Unit Apartment Building
    Four-Unit Apartment Building

    504 N 7TH Ave, Kelso, WA 98626

    $700,000
    3,326 sqft 0.12 AC lot

    R2-zoned property with shared laundry, covered parking, storage units, and a mix of two- and three-bedroom residences.

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    Duplex with Garages
    Duplex with Garages

    957 Willow St, Kelso, WA 98626

    $725,000
    2,988 sqft

    Each residence includes a fenced backyard, garage, and extended driveway parking.

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    Two-Unit Duplex with Oversized Garage
    Two-Unit Duplex with Oversized Garage

    601 AYERS St, Kelso, WA 98626

    $359,000
    2,460 sqft

    Classic two-story property with two fireplaces, recent exterior paint, and an unfinished basement.

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    Renovated Triplex with Off-Street Parking
    Renovated Triplex with Off-Street Parking

    285 20th Ave, Longview, WA 98632

    $510,000
    1,748 sqft

    Three updated rental units include separate laundry hookups, refreshed interiors, and off-street parking.

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    Quadplex with Three-Bedroom Units
    Quadplex with Three-Bedroom Units

    106 17th Ave, Longview, WA 98632

    $825,000
    4,000 sqft

    Constructed in 2008, the property contains residential units with three bedrooms and one-and-a-half baths.

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    Well-Maintained 8-Plex Townhome-Style Units
    Well-Maintained 8-Plex Townhome-Style Units

    157 Nevada, Unit A-H, Longview, WA 98632

    $1,899,999
    8,744 sqft

    8 townhouse-style units with private courtyards, carports, and recent exterior and interior updates.

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    Quadplex with Shared Balcony
    Quadplex with Shared Balcony

    504 N 7th Avenue, Kelso, WA 98626

    $700,000
    3,326 sqft

    Rental property with varied unit layouts, individual storage, covered parking, and on-site laundry.

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    Updated Duplex with Separate Garages
    Updated Duplex with Separate Garages

    128 Cowan Ct, Longview, WA 98632

    $389,900
    2,444 sqft

    Two occupied residences provide private garages, practical layouts, and recent exterior improvements.

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    Updated Duplex with Garages
    Updated Duplex with Garages

    1 Teal St, Longview, WA 98632

    $575,000
    2,208 sqft

    Two refreshed residences provide separate laundry rooms, private garages, and efficient mini-split heating and cooling.

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

    706 Laurel St, Kelso, WA 98626

    $349,900
    1,572 sqft 0.11 AC lot

    Corner property with separate residences, private parking, and a fenced backyard.

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    Updated Duplex with Shared Garage
    Updated Duplex with Shared Garage

    733 Delaware St, Longview, WA 98632

    $405,000
    1,403 sqft

    Two remodeled residential units offer functional layouts and separate laundry connections within a shared garage.

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    Duplex with Attached Garages
    Duplex with Attached Garages

    108 Cowan Ct, Longview, WA 98632

    $495,000
    2,532 sqft

    Two-unit property with spacious interiors and oversized attached garages equipped with openers.

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    Updated Mixed-Use Warehouse in Kelso
    Updated Mixed-Use Warehouse in Kelso

    103 Allen St, Kelso, WA 98626

    $369,000
    4,283 sqft 0.23 AC lot

    Mixed-used warehouse

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    Duplex With Rental History
    Duplex With Rental History

    278 Colorado St, Longview, WA 98632

    $350,000
    1,464 sqft

    Two-unit residential property with documented rental history in Longview.

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    Two-Unit Duplex Property
    Two-Unit Duplex Property

    282 Colorado St, Longview, WA 98632

    $350,000
    1,464 sqft

    Two-unit residential layout offers an owner-occupant the option to rent the second side.

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    Updated Mixed-Use Warehouse in Kelso
    Updated Mixed-Use Warehouse in Kelso

    103 Allen St, Kelso, WA 98626

    $369,000
    4,283 sqft 0.23 AC lot

    Mixed-used warehouse

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    Five-Duplex Multifamily Portfolio
    Five-Duplex Multifamily Portfolio

    950 Walnut, Kelso, WA 98626

    $3,600,000
    16,200 sqft

    Modern duplex portfolio with fully leased units, private yards, garages, and convenient access to I-5.

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    Two-Story Duplex with Six-Car Garage
    Two-Story Duplex with Six-Car Garage

    601 Ayers St, Kelso, WA 98626

    $359,000
    2,460 sqft

    Corner-lot property combines two residential units with basement storage and individual fireplaces.

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    240-Space RV Park Resort
    240-Space RV Park Resort

    150 Happy Trails Rd, Castle Rock, WA 98611

    $18,000,000
    52.87 AC lot

    Recreational vehicle community with extensive guest amenities, operational facilities, and freeway-facing digital signage.

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    Updated Five-Unit Apartment Building
    Updated Five-Unit Apartment Building

    1521 9TH AVE, Longview, WA 98632

    $739,000

    Remodeled multifamily property with covered parking, private storage, and shared laundry amenities.

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    Five-Unit Apartment Building
    Five-Unit Apartment Building

    302 17th Ave, Longview, WA 98632

    $525,000

    Functional kitchens, neutral finishes, and coin-operated laundry serve the building’s residential layout.

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    Apartment Buildings with Townhouse Layout
    Apartment Buildings with Townhouse Layout

    A-h-157 Nevada Dr, Longview, WA 98632

    $1,899,999

    Eight rental units feature private courtyards, carports, storage rooms, and washer/dryer hookups in a wooded setting.

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    Cowlitz County, WA Residential Income Properties Market Trends and Statistics

    Explore 72 residential income properties for sale in Cowlitz County, WA, showcased through 26 active listings on our real estate platform. These investment opportunities span a total of 86,093 square feet of properties for sale, with an estimated market value of $39,396,298.

    Sale prices for residential income properties in Cowlitz County, WA start at $175,000, averaging $1,515,242, and reaching up to $18,000,000 — 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 Cowlitz County Real Estate Agencies

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

    John L. Scott-Lvw
    1541 11th Ave Longview, WA 98632
    Phone: 13604255815
    www.johnlscott.com/longviewoffice

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