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    Castro Valley, CA
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    Castro Valley, CA Multifamily Properties for Sale

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    Updated Duplex Homes on One Lot
    Updated: Jun 2
    Updated Duplex Homes on One Lot

    3675 Christensen Ln, Castro Valley, CA 94546

    $1,249,000
    2,700 sqft 0.18 AC lot
    Duplex with two homes at 3675 and 3677 Christensen Lane on one expansive lot
    Extensive upgrades include new electrical service, new plumbing, new sewer line, and fully renovated interiors
    Year built 1947 with stucco and wood siding exterior
    Central air cooling and wall furnace heating
    Multiple flooring types including tile, engineered, wood, and carpet
    View details
    Residential Income Property with ADU
    Updated: Jul 9
    Residential Income Property with ADU

    4231 Somerset Ave, Castro Valley, CA 94546

    $999,950
    1,285 sqft 0.12 AC lot
    3‑bedroom, 1‑bath home with 1,035 SF of living space, built in 1949
    Detached 250‑SF cottage/ADU with laundry; currently rented for $1,750/month plus utilities
    Kitchen with Corian countertops, wood cabinetry, 4‑burner gas range, and built‑in microwave
    Central air and forced‑air heating plus wall furnace; flooring includes hardwood, tile, carpet, and laminate
    Private fenced backyard with patio deck and storage shed; front landscape/yard features included
    View details
    Garden-Style Apartment Building
    Garden-Style Apartment Building

    20607 Congress Way, Castro Valley, CA 94546

    $3,600,000

    Well-maintained low-rise building with upgraded electrical for a 15-unit residential income portfolio.

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    Turn Any Listing Into an Investment Snapshot Owner equity, real caprate, demand score for every listing. Go To Analytics Center
    Based on your search, we've compiled 80 Potential Opportunities for your consideration. Besides 3 Active listings in Castro Valley, CA, we suggest exploring several alternatives: 4 properties in Nearby Cities, and similar 69 Off-Market properties to explore as potential leads, plus 4 Land Listings that present a potential for development.

    Opportunities in Nearby Cities

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

    Mixed-Use Property with Residential Units
    Mixed-Use Property with Residential Units

    1382 B Street, Hayward, CA 94541

    $1,399,000
    3,456 sqft 0.20 AC lot

    Two-building mixed-use asset with four residential units and an unfinished commercial storefront ready to complete.

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    Triplex with Separate Utilities
    Triplex with Separate Utilities

    21003 Foothill Blvd, Hayward, CA 94541

    $799,950
    1,104 sqft 0.17 AC lot

    Three bungalow-style homes offer separate PG&E meters, supporting flexible owner-occupant or rental use.

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    Mixed-Use Retail and Fourplex
    Mixed-Use Retail and Fourplex

    1382 B Street, Hayward, CA 94541

    $1,399,000
    3,456 sqft

    Two-building mixed-use property with unfinished storefront, four residential units, and an adjacent lot included in the sale.

    View details
    Well-Maintained Fully Rented Triplex
    Well-Maintained Fully Rented Triplex

    21585 Montgomery St, Hayward, CA 94541

    $1,349,888

    Triplex with three well-maintained units, newer major updates, and assigned parking, subject to Alameda County rental protections.

    View details

    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.

    Clearlake Land/Lot Opportunity
    Clearlake Land/Lot Opportunity

    3519 Covelo Street, Clearlake, CA 95422

    Contact for pricing
    0.13 AC lot

    Three adjoining lots near Pomo school, ideal for manufactured home.

    View details
    Mountain View Acreage in Berry Creek
    Mountain View Acreage in Berry Creek

    374 Jatko, Berry Creek, CA 95916

    $125,000
    6.79 AC lot

    6.79 acres of terraced land with mountain views.

    View details
    Land with Private Well
    Land with Private Well

    7114 Horseshoe, Corning, CA 96021

    $34,900
    1.28 AC lot

    Over an acre of land with a private well.

    View details
    Rancho Tehama Homesite Opportunity
    Rancho Tehama Homesite Opportunity

    16305 Hillcrest Drive, Corning, CA 96021

    Contact for pricing
    1.86 AC lot

    1.86-acre homesite in Rancho Tehama community.

    View details

    Off-Market Properties in Castro Valley, CA

    Consider similar Off-Market properties in Castro Valley, CA. You may contact the owners directly to inquire about their potential intentions to sell. To help you make a strong first impression, we can assist by reaching out to these owners with compelling proposals created using our AI tool.

    3437 Somerset Ave
    APARTMENT HOUSE (5+ UNITS)

    3437 Somerset Ave, Castro Valley, CA 94546-3354

    $4,695,000
    Estimated value
    13,053 sqft 0.65 AC lot
    View details
    19979 Wisteria St
    APARTMENT HOUSE (5+ UNITS)

    19979 Wisteria St, Castro Valley, CA 94546-4120

    Value Estimation by Request
    2,702 sqft 0.38 AC lot
    View details
    20353 Park Way
    APARTMENT HOUSE (5+ UNITS)

    20353 Park Way, Castro Valley, CA 94546-5330

    $14,995,000
    Estimated value
    45,476 sqft 1.88 AC lot
    View details
    20259 Anita Ave
    APARTMENT HOUSE (5+ UNITS)

    20259 Anita Ave, Castro Valley, CA 94546-4181

    $1,835,000
    Estimated value
    5,888 sqft 0.33 AC lot
    View details
    3322 Wilbeam Ct
    APARTMENT HOUSE (5+ UNITS)

    3322 Wilbeam Ct, Castro Valley, CA 94546-5817

    $2,330,000
    Estimated value
    8,162 sqft 0.81 AC lot
    View details
    19950 Santa Maria Ave
    APARTMENT HOUSE (5+ UNITS)

    19950 Santa Maria Ave, Castro Valley, CA 94546-4279

    $575,000
    Estimated value
    5,950 sqft 0.41 AC lot
    View details
    20224 Frst Ave
    APARTMENT HOUSE (5+ UNITS)

    20224 Frst Ave, Castro Valley, CA 94546-4549

    $3,000,000
    Estimated value
    8,102 sqft 0.66 AC lot
    View details
    19794 Stanton Ave
    APARTMENT HOUSE (5+ UNITS)

    19794 Stanton Ave, Castro Valley, CA 94546-4044

    $4,890,000
    Estimated value
    17,328 sqft 0.93 AC lot
    View details
    4920 Jensen Rd
    APARTMENT HOUSE (5+ UNITS)

    4920 Jensen Rd, Castro Valley, CA 94552-5002

    Value Estimation by Request
    7,082 sqft 1.11 AC lot
    View details
    3382 Somerset Ave
    APARTMENT HOUSE (5+ UNITS)

    3382 Somerset Ave, Castro Valley, CA 94546

    $1,240,000
    Estimated value
    8,816 sqft 0.45 AC lot
    View details
    20293 Anita Ave
    APARTMENT HOUSE (5+ UNITS)

    20293 Anita Ave, Castro Valley, CA 94546-4158

    $1,895,000
    Estimated value
    9,518 sqft 0.64 AC lot
    View details
    3789 Castro Vly Blvd
    MOBILE HOME PARK, TRAILER PARK

    3789 Castro Vly Blvd, Castro Valley, CA 94552-4835

    $24,000,000
    Estimated value
    0.65 AC lot
    View details
    4050 Castro Vly Blvd
    APARTMENT HOUSE (5+ UNITS)

    4050 Castro Vly Blvd, Castro Valley, CA 94546-6057

    $900,000
    Estimated value
    6,061 sqft 0.20 AC lot
    View details
    20475 Wisteria St
    APARTMENT HOUSE (5+ UNITS)

    20475 Wisteria St, Castro Valley, CA 94546-5545

    $4,275,000
    Estimated value
    22,048 sqft 0.85 AC lot
    View details
    20545 Wisteria St
    APARTMENT HOUSE (5+ UNITS)

    20545 Wisteria St, Castro Valley, CA 94546-5522

    $1,495,000
    Estimated value
    4,695 sqft 0.49 AC lot
    View details
    19846 San Miguel Ave
    APARTMENT HOUSE (5+ UNITS)

    19846 San Miguel Ave, Castro Valley, CA 94546-4236

    $1,535,000
    Estimated value
    12,562 sqft 0.99 AC lot
    View details
    19983 Frst Ave
    APARTMENT HOUSE (5+ UNITS)

    19983 Frst Ave, Castro Valley, CA 94546-4568

    $3,210,000
    Estimated value
    21,672 sqft 1.22 AC lot
    View details
    20914 Chester St
    APARTMENT HOUSE (5+ UNITS)

    20914 Chester St, Castro Valley, CA 94546-5533

    $1,015,000
    Estimated value
    4,876 sqft 0.33 AC lot
    View details
    3645 Lorena Ave
    APARTMENT HOUSE (5+ UNITS)

    3645 Lorena Ave, Castro Valley, CA 94546-4369

    $3,700,000
    Estimated value
    6,552 sqft 0.56 AC lot
    View details
    20441 Anita Ave
    APARTMENT HOUSE (5+ UNITS)

    20441 Anita Ave, Castro Valley, CA 94546-5501

    $5,550,000
    Estimated value
    18,252 sqft 0.77 AC lot
    View details
    19884 San Miguel Ave
    APARTMENT HOUSE (5+ UNITS)

    19884 San Miguel Ave, Castro Valley, CA 94546-4236

    Value Estimation by Request
    3,786 sqft 0.45 AC lot
    View details

    Castro Valley, CA Multifamily Properties Market Trends and Statistics

    Explore 72 multifamily properties for sale in Castro Valley, CA, showcased through 3 active listings on our real estate platform. These investment opportunities span a total of 3,985 square feet of properties for sale, with an estimated market value of $2,248,950.

    Sale prices for multifamily properties in Castro Valley, CA start at $999,950, averaging $1,124,475, and reaching up to $1,249,000 — 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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    Top Commercial Asset Segments

    Commercial property segments ranked by active listings on the market

    Duplexes 2
    Apartment buildings 1

    Demographics Overview

    Population 60K
    Population Growth (5Y) -1.6%
    Median Household Income $144,714
    College Educated 71.6%

    High-Yield Neighborhoods for Investment

    Identify Castro Valley submarkets with the highest inventory density on the market and evaluate the average listing prices of real estate assets

    Neighborhood Average Price
    94546 $2.4M

    Taxes & Financing

    Tax Rate (average for all types) 1.08%
    Property Tax per SF $22.10 per SF
    Tax Rate vs County Average 0.11 pp below county avg
    Average Loan-to-Value 65.0%

    Listings Trend

    New vs delisted commercial listings in Alameda County

    New Delisted

    Total CRE Inventory on Market (SF)

    Average Property Price per SF

    For-sale pricing trends across core commercial property types in Alameda County

    Residential Income

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