Humboldt County, CA Duplexes for sale

Updated: Sep 21

Duplex with Oversized Garages

1794 Edeline Avenue, Mckinleyville, CA 95519

$849,900

2,580 sqft 0.28 AC lot

Two residences, each with 3 bedrooms and 2 bathrooms
2,580 square feet of building area on a 0.28‑acre lot
Separate utility meters for each home
Oversized 2‑car garage at each residence; W/D hookups in the garages
Built in 2007; Multi‑Family zoning

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Updated: Jul 29

Duplex-Style Home with ADU

2529 Baldwin Street, Arcata, CA 95521

$645,900

2,319 sqft 0.21 AC lot

2,319‑square‑foot, one‑story ranch‑style home
Five bedrooms and three bathrooms
Two‑bedroom ADU supports a layout with two separate living areas
Separate rear bonus room and two storage sheds
0.21‑acre lot

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Duplex with En-Suite Bedrooms

345 Evergreen Avenue, Arcata, CA 95518

$649,900

2,456 sqft 0.18 AC lot

Two residences provide six bedrooms, each with a private bathroom, along with off-street parking.

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Mixed-Use Building with ADUs

1515 5th Street, Eureka, CA 95501

$295,000

1,000 sqft

Commercial area includes multiple entrances, storage, and plumbing for bathrooms.

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Six-Bedroom Duplex

377 Evergreen Avenue, Arcata, CA 95518

$649,900

2,460 sqft 0.18 AC lot

Two separate residences offer private bathrooms for every bedroom, while the larger unit also has washer and dryer hookups.

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Duplex Property with Shop

2695 Newburg Road, Fortuna, CA 95540

$539,000

1,287 sqft

A separate manufactured home, enclosed patio, and fenced field expand the property's residential configuration.

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Duplex with Natural Gas Heat

757 Park Avenue, Arcata, CA 95521

$725,000

2,056 sqft 0.22 AC lot

Multi-family zoning, public sewer, and forced-air heating support the property's residential configuration.

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10-Unit Apartment Building

2308 Heiser Lane, Eureka, CA 95501

Contact for pricing

5,586 sqft

Five duplex buildings offer attached garages and private yards for every unit.

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Two-Unit Duplex with ADU

1027 D Street, Eureka, CA 95501

$329,900

1,680 sqft 0.16 AC lot

Separate gas and electric meters and individual water heaters serve the two residences.

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Duplex with Attached Garages

335 C Street, Fields Landing, CA 95537

$439,000

1,836 sqft 0.21 AC lot

Two residences offer a three-bedroom, one-and-a-half-bath layout and a separate one-bedroom, one-bath unit.

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Updated Duplex with Private Patio

1824 California St, Eureka, CA 95501

$374,000

Duplex with separate PG&E meters, off-street parking, and recent interior and exterior improvements.

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Victorian Duplex with Fenced Yard

1914 A St, Eureka, CA 95501

$325,000

Two-level duplex offering separate bedroom and bathroom configurations with a private fenced backyard.

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Updated Two-Unit Duplex

3376 Lowell St, Eureka, CA 95503

$395,000

Two updated residences share a landscaped backyard adjoining a greenbelt and creek on a dead-end street.

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Victorian Duplex with Secondary Unit

275 Orchard St, Rio Dell, CA 95562

$299,900

Two structures occupy a lot with bluff views, fruit trees, grapes, and existing chicken coops.

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Humboldt County, CA Duplexes Market Trends and Statistics

Explore 14 duplexes for sale in Humboldt County, CA, showcased through 14 active listings on our real estate platform. These investment opportunities span a total of 23,260 square feet of properties for sale, with an estimated market value of $6,517,400.

Sale prices for duplexes in Humboldt County, CA start at $295,000, averaging $501,338, and reaching up to $849,900 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Featured Humboldt County Real Estate Agencies

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

California Outdoor Properties

680 10th St Arcata, CA 95521

Phone: 19162163003

CaliforniaOutdoorProperties.com

Coldwell Banker Sellers Realty

985 G Street Arcata, CA 95521

Phone: 17078225971

coldwellbankersellersrealty.com/

Coldwell Banker Cutten Realty

2120 Campton Road Suite C Eureka, CA 95503

Phone: 17074458811