Orange County, CA Duplexes for sale

Fullerton Duplex: Investor or Owner-Occupant

$1,082,000

1,687 SF

Fullerton Duplex: Investor or Owner-Occupant

128 W Rosslynn Ave, Fullerton, CA 92832

Well-maintained duplex in Fullerton, CA with recent upgrades.

Excellent Location: Walking distance to Fullerton Train Station and minutes from the 91 and 57 freeways.
Income Potential: Two units, with one vacant and the other tenant‑occupied at below‑market rent ($2,000/month vs. estimated $2,500/month).
Recent Upgrades: New windows, siding, paint, updated plumbing, and replaced roof.
Well‑Maintained: Family‑owned since 1971 with consistent care and maintenance.
Ample Parking: Long driveway (up to four vehicles), two‑car garage, and ample street parking.

Updated: Jan 10

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$2,750,000

1,960 SF

Laguna Beach Duplex with Suite

114 High Dr, Laguna Beach, CA 92651

Versatile duplex with suite near Main Beach in Laguna.

Steps from Main Beach with unmatched proximity to Laguna's amenities and downtown energy.
Versatile duplex with an additional suite, offering income potential and flexible living arrangements (guest suite, rental, multigenerational).
Rare parking: Two private garages plus three extra parking spaces in a walkable beachside location.
Expansive deck perfect for entertaining and enjoying coastal sunsets.
Air‑conditioned units for modern comfort.

Updated: Dec 27, 2025

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$1,375,000

1,868 SF

Duplex Near Downtown Costa Mesa

Two homes on one lot near downtown Costa Mesa.

622 Center St, Costa Mesa, CA 92627

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$650,000

1,500 SF

Duplex in Resort-Style Setting

Duplex with two units, professionally managed, resort-like atmosphere.

17090 San Bruno St, Fountain Valley, CA 92708

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$1,069,000

1,722 SF

Remodeled Home with Separate ADU

Santa Ana home with ADU, ideal for rental income.

408 S Flower St, Santa Ana, CA 92703

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$1,149,999

3,231 SF

Two Homes on One Lot

Two permitted single-family homes on one lot near Cal State.

227 N Yale Ave, Fullerton, CA 92831

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$775,000

1,216 SF

Santa Ana Duplex on Corner Lot

Two detached units on a large corner lot with development potential.

212 E Adams St, Santa Ana, CA 92707

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Costa Mesa Duplex Investment Opportunity

$1,295,000

1,476 SF

Costa Mesa Duplex Investment Opportunity

Duplex with two vacant units, close to the beach.

1612 Orange Ave, Costa Mesa, CA 92627

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$2,700,000

4,900 SF

San Clemente Duplex with Ocean Views

Luxurious duplex near beaches, shopping, and dining in San Clemente.

121 Loma Ln, San Clemente, CA 92672

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$9,590,000

3,185 SF

Oceanfront Duplex in Newport Beach

Oceanfront duplex with panoramic views and renovation potential.

5901 Seashore Dr, Newport Beach, CA 92663

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Pending

$1,799,000

1,600 SF

Costa Mesa Duplex on Corner Lot

Costa Mesa duplex with modern comfort and income potential.

2097 Maple St, Costa Mesa, CA 92627

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$2,850,000

1,633 SF

Woods Cove Duplex Near Beach

Charming updated coastal cottages in desirable Laguna Beach neighborhood.

464 Agate St, Laguna Beach, CA 92651

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$1,395,000

2,274 SF

Well-Maintained Duplex in Tustin, CA

Income-generating duplex in a desirable Tustin neighborhood.

1112 Napa St, Tustin, CA 92780

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$1,275,000

2,500 SF

Two Detached Homes on One Lot

Two well-maintained homes on one lot near Disneyland.

833 S Lemon St, Anaheim, CA 92805

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$799,000

1,140 SF

Buena Park Duplex For Sale

Duplex in Buena Park, CA, with 1140 square feet.

6493 Kingman Ave, Buena Park, CA 90621

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$1,390,000

2,251 SF

Refreshed Duplex in Fountain Valley

Updated duplex with two units, garages, and modern amenities.

11782 Azalea Ave, Fountain Valley, CA 92708

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$2,250,000

2,464 SF

Upgraded Duplex in Lantern District

Upgraded multi-unit property near harbor, beaches, and coastal amenities.

33841 Robles Dr, Dana Point, CA 92629

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$1,998,000

4,000 SF

Spacious Duplex in Old Towne

Large duplex with flexible floor plans in a desirable location.

236 S Shaffer St, Orange, CA 92866

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$2,799,000

4,302 SF

San Clemente Duplex with Ocean Views

Rare duplex near the beach with ocean views.

236 Avenida Lobeiro, San Clemente, CA 92672

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$1,499,000

2,339 SF

Updated Duplex: Income Opportunity

Updated duplex featuring two homes on one lot in Santa Ana.

728 N Euclid St, Santa Ana, CA 92703

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Pending

$720,000

1,470 SF

Santa Ana Duplex Investment Opportunity

Well-maintained duplex near downtown Santa Ana with immediate cash flow.

1008 W 3Rd St, Santa Ana, CA 92703

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$999,000

1 SF

Santa Ana Duplex For Sale

Duplex in Santa Ana, CA. Tenants month to month.

913 W Bishop St, Santa Ana, CA 92703

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Pending

$1,249,000

1,892 SF

Updated Duplex in Old Towne

Updated duplex in historic district near Orange Circle and Chapman.

412 S Orange St, Orange, CA 92866

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$3,295,000

Balboa Island Mid-Century Duplex

Charming duplex on Balboa Island with income potential.

212 Opal Ave, Newport Beach, CA 92662

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Orange County, CA Duplexes Investment Opportunities Market Analysis

Explore 49 duplexes for sale in Orange County, CA, showcased through 49 active listings on our real estate platform. These investment opportunities span a total of 15,254,718,098 square feet of properties for sale, with an estimated market value of $48,594,999.

Prices for duplexes in Orange County, CA start at $650,000, averaging $1,943,799, and reaching up to $9,590,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you have the most current data.

Orange County, CA Duplexes for Sale

Fullerton Duplex: Investor or Owner-Occupant

Well-maintained duplex in Fullerton, CA with recent upgrades.

Laguna Beach Duplex with Suite

Versatile duplex with suite near Main Beach in Laguna.

Duplex Near Downtown Costa Mesa

Duplex in Resort-Style Setting

Remodeled Home with Separate ADU

Two Homes on One Lot

Santa Ana Duplex on Corner Lot

Costa Mesa Duplex Investment Opportunity

San Clemente Duplex with Ocean Views

Oceanfront Duplex in Newport Beach

Costa Mesa Duplex on Corner Lot

Woods Cove Duplex Near Beach

Well-Maintained Duplex in Tustin, CA

Two Detached Homes on One Lot

Buena Park Duplex For Sale

Refreshed Duplex in Fountain Valley

Upgraded Duplex in Lantern District

Spacious Duplex in Old Towne

San Clemente Duplex with Ocean Views

Updated Duplex: Income Opportunity

Santa Ana Duplex Investment Opportunity

Santa Ana Duplex For Sale

Updated Duplex in Old Towne

Balboa Island Mid-Century Duplex

Orange County, CA Duplexes Investment Opportunities Market Analysis

Duplexes by market

Browse Duplexes for Sale Near Orange, CA

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Orange County, CA Duplexes for Sale

Fullerton Duplex: Investor or Owner-Occupant

Well-maintained duplex in Fullerton, CA with recent upgrades.

Laguna Beach Duplex with Suite

Versatile duplex with suite near Main Beach in Laguna.

Duplex Near Downtown Costa Mesa

Duplex in Resort-Style Setting

Remodeled Home with Separate ADU

Two Homes on One Lot

Santa Ana Duplex on Corner Lot

Costa Mesa Duplex Investment Opportunity

San Clemente Duplex with Ocean Views

Oceanfront Duplex in Newport Beach

Costa Mesa Duplex on Corner Lot

Woods Cove Duplex Near Beach

Well-Maintained Duplex in Tustin, CA

Two Detached Homes on One Lot

Buena Park Duplex For Sale

Refreshed Duplex in Fountain Valley

Upgraded Duplex in Lantern District

Spacious Duplex in Old Towne

San Clemente Duplex with Ocean Views

Updated Duplex: Income Opportunity

Santa Ana Duplex Investment Opportunity

Santa Ana Duplex For Sale

Updated Duplex in Old Towne

Balboa Island Mid-Century Duplex

Orange County, CA Duplexes Investment Opportunities Market Analysis

Duplexes by market

Browse Duplexes for Sale Near Orange, CA

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