Orange County, CA Duplexes for Sale

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Updated: Jun 30

Historic Two-Unit Duplex

207 W Buffalo Avenue, Santa Ana, CA 92706

$925,000

1,968 sqft 0.16 AC lot

1,968‑square‑foot duplex built in 1922
Two‑bedroom, one‑bath unit plus one‑bedroom, one‑bath unit
0.16‑acre parcel with a substantial private rear yard
Zoned for Commercial & Residential use
Listed on Santa Ana’s Historic Registry

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This listing looks promising.

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207 W Buffalo Avenue, Santa Ana, CA 92706

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Est. Cap Rate

3.9%
NOI ÷ price
Est. NOI

$36K
Annual
Price @ 7% Cap

$509K
Suggested
Property Type

Commercial Building, Mail Order, Show Room (Non-Auto)
Built 1922

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Updated: Aug 28

Duplex with Updated Main Residence

526 N Emerald Dr, Orange, CA 92868

$1,475,000

1,927 sqft 0.15 AC lot

Two leased residences totaling 1,927 square feet
Main residence offers 4BR/2BA and 1,522 sq.ft.
Permitted 1BR/1BA garage conversion measures 405 sq.ft. and was completed in 2026
Leases for both units run through August 2027; tenants cover all utilities
Approximately one mile from Chapman University

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Duplex with Permitted ADU

13071 Birchwood, Garden Grove, CA 92843

$1,200,000

2,695 sqft 0.17 AC lot

Two self-contained residential units include multiple suites, separate electrical metering, and a shared laundry area.

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Remodeled Duplex with Vacant Units

726 Weelo Drive Costa Mesa CA 92627, Costa Mesa, CA 92627

$1,585,000

6,926 sqft

Both residences include indoor laundry, private garages, and room-by-room mini-split heating and cooling.

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Duplex with Detached Guest Unit

272 Beverly, Laguna Beach, CA 92651

$2,795,000

1,999 sqft 0.10 AC lot

Flexible two-residence layout includes shared outdoor areas, parking, laundry, and on-site storage.

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Upgraded Duplex With New ADU

522 S Indiana, Anaheim, CA 92805

$1,580,000

2,103 sqft 0.13 AC lot

Separate living quarters expand the property’s residential flexibility.

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Upgraded Two-Unit Cottage Duplex

1527 W Balboa, Newport Beach, CA 92663

$3,995,000

2,000 sqft 0.06 AC lot

Two separate residences offer updated finishes, outdoor living areas, and garage parking near the beach and bay.

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Mixed-Use Coastal Property

614 Avenida Victoria, San Clemente, CA 92672

$9,995,000

5,300 sqft

Two 3-bedroom residences and ground-level commercial space in the Pier Bowl, directly across from the San Clemente Pier.

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Renovated Duplex With Detached Casita

210 S Raitt, Santa Ana, CA 92703

$950,000

2,000 sqft 0.12 AC lot

Separate living spaces support owner occupancy, rental use, or multigenerational living without HOA dues.

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Duplex with Covered Carport

304 N Susan, Santa Ana, CA 92703

$799,000

1,092 sqft 0.09 AC lot

The property includes two one-bedroom residences, interior laundry, gated outdoor areas, and covered carport parking.

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Side-by-Side Duplexes Near Heller Park

226 Knox, Costa Mesa, CA 92627

$2,000,000

3,254 sqft

Two adjacent duplexes provide four residential units, private outdoor areas, garage parking, and individual laundry hookups.

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Updated Duplex Near Newport Beach

204 David Drive, Newport Beach, CA 92663

$2,800,000

2,025 sqft 0.06 AC lot

Updated duplex, one block from the beach, investment opportunity.

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Beachside Duplex

4704 Seashore Drive, Newport Beach, CA 92663

$4,800,000

2,890 sqft 0.07 AC lot

Two-unit residential property with a short-term rental permit, private outdoor areas, and multiple parking spaces near the beach.

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Side-by-Side Duplex Portfolio

220 Knox, Costa Mesa, CA 92627

$2,000,000

3,254 sqft

Two connected duplexes combine residential income units with private outdoor space, garages, and individual laundry hookups.

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Duplex With Front And Rear Units

335 Beverly, Santa Ana, CA 92701

$1,060,000

1,884 sqft 0.14 AC lot

Separate front and rear residences offer flexible occupancy or rental use.

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Spanish-Style Duplex with Rooftop Terrace

707 Larkspur Avenue, Corona Del Mar, CA 92625

$5,350,000

3,108 sqft 0.08 AC lot

Two separately serviced residences offer private outdoor areas, individual laundry, and four covered parking spaces.

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Detached Duplex on Corner Lot

4301 W Lilac, Santa Ana, CA 92704

$1,899,000

1,956 sqft 0.37 AC lot

Two detached homes sit on a corner lot with separate addresses, utilities, and frontage.

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Duplex with Private Outdoor Spaces

2707 S El Camino Real, San Clemente, CA 92672

$1,250,000

1,115 sqft 0.05 AC lot

Two residential units feature updated bathrooms, separate outdoor areas, kitchens, laundry, and assigned parking.

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Ocean-View Duplex with Guest Unit

272 Beverly, Laguna Beach, CA 92651

$2,795,000

1,999 sqft

Two residences, shared outdoor areas, and a detached studio support flexible occupancy.

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Bayfront Duplex with Beach Access

1011 N Bay Front, Newport Beach, CA 92662

$8,999,000

2,909 sqft 0.06 AC lot

Two active short-term rental permits support the current duplex configuration.

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Duplex With Private Enclosed Yards

1618 Freeman St, Santa Ana, CA 92706

$995,000

1,715 sqft 0.18 AC lot

Two distinct residences include central HVAC, interior laundry areas, and detached garages.

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Beach Proximity Duplex in Newport

5119 River Avenue, Newport Beach, CA 92663

$4,500,000

2,934 sqft 0.06 AC lot

Duplex near the beach, offering rental income potential.

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Upgraded Duplex with New ADU

522 S Indiana, Anaheim, CA 92805

$1,580,000

2,103 sqft

Two separate residences offer flexible space for multigenerational living, a home office, or rental use.

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Updated Ocean-View Duplex

260 Arch, Laguna Beach, CA 92651

$3,940,000

3,500 sqft 0.17 AC lot

Side-by-side residences offer flexible ownership with separate attached garages and private outdoor decks.

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Orange County, CA Duplexes Market Trends and Statistics

Explore 198 duplexes for sale in Orange County, CA, showcased through 198 active listings on our real estate platform. These investment opportunities span a total of 160,342 square feet of properties for sale, with an estimated market value of $329,146,386.

Sale prices for duplexes in Orange County, CA start at $589,999, averaging $2,301,722, and reaching up to $9,995,000 — 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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