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    Humboldt County, CA Quadplexes for Sale

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    Eureka Fourplex on Oversized Lot
    $620,000
    2,484 SF

    Eureka Fourplex on Oversized Lot

    2805 California Street, Eureka, CA 95501

    Four-unit multifamily property in Eureka with development potential.

    • Four single‑level 1‑bedroom units offer immediate rental income potential.
    • Oversized 1/3 acre lot with alley access provides development opportunities.
    • Three units feature remodeled baths and newer kitchens.
    • Each unit includes a carport and private backyard space.
    • Hardwood floors add character and value.
    Updated: Mar 16
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    Arcata Duplexes on Oversized Lot
    $659,900
    3,400 SF

    Arcata Duplexes on Oversized Lot

    1666-1690 Stewart Avenue, Arcata, CA 95521

    Two duplexes near Cal Poly Humboldt with strong income potential.

    • High annual gross income: $64,056.00
    • Two stand‑alone duplexes on one oversized lot
    • Excellent location: walking distance to Cal Poly Humboldt, the Plaza, Community Forest, shopping, and hospitals
    • Each unit features 2 bedrooms and 1.5 baths
    • Four carports and plenty of parking
    Updated: Feb 6
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    Updated Four-Unit Multifamily Property
    $1,230,000
    4,384 SF

    Updated Four-Unit Multifamily Property

    Well-maintained four-unit property with recent updates and strong income.

    3888 Rohnerville Road, Fortuna, CA 95540
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    Based on your search, we've compiled 7 Potential Opportunities for your consideration. Besides 3 Active listings in Humboldt County, CA, we suggest exploring several alternatives: plus 4 Land Listings that present a potential for development.

    Potential Development Sites for Consideration

    Can't find the perfect fit? These Land listings present an alternative path: the potential to develop a property for your specific goals.

    Important: These AI-suggestions are a starting point, not a guarantee of permitted use. All zoning, permitting, and land use information must be independently verified by you with the appropriate local authorities before making any commitments.

    Highway 101 Development Opportunity
    $595,000
    3,700 SF

    Highway 101 Development Opportunity

    0.33-acre property near Carter House, ideal for multi-story development.

    1101 4th Street, Eureka, CA 95501
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    Fortuna Mixed-Use Property For Sale
    $534,000
    2,276 SF

    Fortuna Mixed-Use Property For Sale

    Mixed-use property with excellent visibility and highway access.

    370 Main Street, Fortuna, CA 95540
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    Commercial Land Near Highway 101
    Contact for pricing

    Commercial Land Near Highway 101

    9.4-acre commercial property with highway access in Fortuna, CA.

    1440 Newburg Rd, Fortuna, CA 95540
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    Arcata Land with Approved Plans
    $700,000
    1.53 Acres

    Arcata Land with Approved Plans

    1.5+ acre land with approved storage unit development plans.

    Mad River Parkway, Arcata, CA 95521
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    Humboldt County, CA Quadplexes Investment Opportunities Market Analysis

    Explore 3 quadplexes for sale in Humboldt County, CA, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 25,265 square feet of properties for sale, with an estimated market value of $1,279,900.

    Sale prices for four-unit buildings in Humboldt County, CA start at $620,000, averaging $639,950, and reaching up to $659,900 — 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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