Castro Valley, CA Duplexes for sale

Updated: Nov 9

2-Unit Duplex with Private Garages

20273-20275 Stanton Ave, Castro Valley, CA 94546

$999,000

1,680 sqft 0.11 AC lot

Two 2‑bedroom, 1‑bathroom residences
1,680 square feet of building area on a 0.1148‑acre lot
Private one‑car garage and driveway parking for each unit
Remodeled front residence; rear unit has its own backyard
Built in 1937; served by public water and public sewer

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Updated: Jul 24

Two-Unit Duplex with Detached Garage

20843 Chester St, Castro Valley, CA 94546

$1,298,800

1,590 sqft 0.26 AC lot

Two residences: one 2‑bedroom, 1‑bath unit and one 1‑bedroom, 1‑bath unit
Approximately 1,590 square feet of living area
Detached two‑car garage and storage improvements
Built in 1949
Walking distance to schools, shops, restaurants, BART, and public transportation

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Remodeled Duplex

16522 Foothill Blvd, Castro Valley, CA 94546

$999,000

1,670 sqft

Two separate residences offer private entrances, in-unit laundry, refreshed kitchens, and updated bathrooms.

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Two-Unit Duplex with Detached Garage

20942 Wilbeam Ave, Castro Valley, CA 94546

$875,000

1,792 sqft

Each residence has a laundry room, yard space, and a share of the detached garage.

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4 active listings match your search: Duplex for sale in Castro Valley, CA. Based on your search, we've also compiled 4 Potential Opportunities for your consideration: 4 properties in nearby cities.

Opportunities in Nearby Cities

Here are 4 Similar properties we found in Nearby Locations for your consideration.

Mixed-Use Property with Duplex

21120 Mission Blvd, Hayward, CA 94541

$1,150,000

4,660 sqft

Three commercial spaces and a two-unit residence offer a combination of retail and residential occupancy.

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Duplex with Private Garages

San Leandro, CA 94578

$508,000

1,600 sqft

San Leandro duplex with two tenant-occupied 2BR/1BA units, each with a private enclosed garage and a large shared yard.

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Hillside Duplex with Bay Views

16661 Rolando Ave, San Leandro, CA 94578

$865,000

An elevated setting, view deck, and landscaped garden areas extend the property's outdoor appeal.

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Two-Unit Spanish-Style Duplex

1245 Cotter Way, Hayward, CA 94541

$799,000

Two residences share one parcel, with an extensively improved main home and a recently refreshed rear unit.

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Castro Valley, CA Duplexes Market Trends and Statistics

Explore 4 duplexes for sale in Castro Valley, CA, showcased through 4 active listings on our real estate platform. These investment opportunities span a total of 6,732 square feet of properties for sale, with an estimated market value of $4,171,800.

Sale prices for two-family homes in Castro Valley, CA start at $875,000, averaging $1,042,950, and reaching up to $1,298,800 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

Neighborhood	Average Price
94546	$1.2M

Neighborhood

Average Price

94546

$1.2M

Castro Valley, CA Duplexes for Sale

20273-20275 Stanton Ave, Castro Valley, CA 94546

20843 Chester St, Castro Valley, CA 94546

16522 Foothill Blvd, Castro Valley, CA 94546

20942 Wilbeam Ave, Castro Valley, CA 94546