Add Listing
    For Sale
    • For Sale
    • For Lease
    • Recently Sold
    • Property Lookup
    • Brokers
    Residential Income
    1
    • Retail
    • Office
    • Residential Income
    • Restaurants
    • Industrial
    • Mixed-Use
    • Hospitality
    • Health Care
    • Sports & Entertainment
    • Land
    • Agricultural
    • Specialty
    Price
    Price range
    $
    $
    Size
    Property size / sq.ft.
    AI Search

    Meet Realmo: The Largest Hub
    of Commercial Real     Estate in the US

    Over 1 million active listings and over 150 million property profiles

    Monmouth County, NJ Duplexes for Sale

    List
    Map
    Trenton, NJ Paterson, NJ Jersey City, NJ
    48 results
    Updated Two-Family Home with Garage
    $849,000
    1,499 SF

    Updated Two-Family Home with Garage

    49 Middlesex Road, Matawan, NJ 07747

    High-income two-family home with attached four-car garage.

    • High‑income producing 2‑family home generating $80K+/year.
    • Rare attached 4‑car garage with 15' high doors, rented separately for extra income.
    • Two updated units, each with 2 bedrooms, 1 bathroom, and in‑unit laundry.
    • Upper unit features bright living room with cathedral ceiling and skylights, updated kitchen and bathroom.
    • Oversized lot with many upgrades including windows, roof, kitchen, bath, plumbing and electric.
    Updated: Feb 24
    View details
    Renovated Duplex with Spacious Yard
    $829,000
    2,192 SF

    Renovated Duplex with Spacious Yard

    88 South Street, Eatontown, NJ 07724

    Newly renovated duplex in Eatontown, suitable for investment or multi-generational

    • Two separate units with 2 kitchens, 3 bathrooms, and 6 bedrooms offer flexibility.
    • Newly renovated with stainless steel appliances, warm colored floors, and bright, spacious interiors.
    • Large property behind the house provides opportunities for creative investment or business use.
    • First‑floor unit includes a dedicated laundry room.
    • Second‑floor unit has dual access via front and rear entrances.
    Updated: Jan 14
    View details
    Updated Duplex in Keyport, NJ
    $999,999
    2,193 SF

    Updated Duplex in Keyport, NJ

    Updated duplex with detached garage, generating $6,950 monthly rent.

    9 Kearney Street, Keyport, NJ 07735
    View details
    Red Bank Multifamily Property
    $780,000
    1,568 SF

    Red Bank Multifamily Property

    Multifamily property in desirable Red Bank location.

    9 William Street, Red Bank, NJ 07701
    View details
    Updated Two-Family Seashore Colonial
    $1,100,000
    2,772 SF

    Updated Two-Family Seashore Colonial

    Updated two-family home near the beach, close to amenities.

    101 Heck Avenue, Ocean Grove, NJ 07756
    View details
    Union Beach Two-Family Home
    $599,000
    2,000 SF

    Union Beach Two-Family Home

    Two-family home on oversized lot, ideal for investors.

    121-123 Stone Road, Union Beach, NJ 07735
    View details
    Long Branch Multifamily For Sale
    $650,000
    1,733 SF

    Long Branch Multifamily For Sale

    Multifamily property in Long Branch, NJ, with 1,733 square feet.

    138 Atlantic Avenue, Long Branch, NJ 07740
    View details
    Renovated Two-Family Home Near Beach
    $625,000
    2,426 SF

    Renovated Two-Family Home Near Beach

    Renovated two-family home near beaches, water park, and shopping.

    40 Twilight Avenue, Keansburg, NJ 07734
    View details
    Allentown Duplex with Water Views
    $525,000
    2,029 SF

    Allentown Duplex with Water Views

    Income-producing duplex in Allentown with pond views and rental potential.

    43 S MAIN Street, Allentown, NJ 08501
    View details
    Renovated Two-Family Home Near Beach
    $549,900
    1,260 SF

    Renovated Two-Family Home Near Beach

    Renovated two-family home near the beach in Keansburg, NJ.

    101 Seabreeze Way, Keansburg, NJ 07734
    View details
    Renovated Two-Family Home Near Beach
    $1,195,000
    1,440 SF

    Renovated Two-Family Home Near Beach

    Two-unit property, one block from the beach, renovated in 2024.

    1708 A Street, Belmar, NJ 07719
    View details
    Two Buildings on One Lot
    $799,000
    4,500 SF

    Two Buildings on One Lot

    Two buildings on one lot present an investment opportunity.

    101-103 Ridge Avenue, Asbury Park, NJ 07712
    View details
    Red Bank Multifamily Investment Opportunity
    $650,000
    1,032 SF

    Red Bank Multifamily Investment Opportunity

    Two-family property with approved plans and permits ready to finish.

    195 Drs James Parker Boulevard, Red Bank, NJ 07701
    View details
    Asbury Park Two-Family Property
    $939,000
    1,119 SF

    Asbury Park Two-Family Property

    Two-family property with expansion potential in Asbury Park, NJ.

    912 Sunset Avenue, Asbury Park, NJ 07712
    View details
    Victorian Multifamily in Ocean Grove
    $999,000
    2,065 SF

    Victorian Multifamily in Ocean Grove

    Victorian 2-family with income potential near the beach.

    140 Mount Hermon Way, Ocean Grove, NJ 07756
    View details
    Historic Two-Family Home, Ocean Grove
    $829,000
    2,890 SF

    Historic Two-Family Home, Ocean Grove

    Two-family home in historic Ocean Grove, blocks from the ocean.

    104-106 Mount Tabor Way, Ocean Grove, NJ 07756
    View details
    Neptune Township Duplex Opportunity
    $535,000
    2,010 SF

    Neptune Township Duplex Opportunity

    Charming 6 bed, 2 bath duplex with income potential.

    1417 7th Avenue, Neptune, NJ 07753
    View details
    Renovated Two-Family Home in Asbury
    $850,000
    2,400 SF

    Renovated Two-Family Home in Asbury

    Turnkey two-family home with income potential near Asbury Park.

    148 Dewitt Avenue, Asbury Park, NJ 07712
    View details
    Renovated Multifamily Property with Income
    $639,900
    0.11 Acres

    Renovated Multifamily Property with Income

    Two renovated buildings on one lot, ideal for investment.

    807 6th Street, Union Beach, NJ 07735
    View details
    Belmar Multifamily Investment Opportunity
    $1,275,000
    2,590 SF

    Belmar Multifamily Investment Opportunity

    Multifamily property near Belmar beaches with parking and garage.

    517 14th Avenue, Belmar, NJ 07719
    View details
    Manasquan Two-Family Home Near Beach
    $999,000
    2,396 SF

    Manasquan Two-Family Home Near Beach

    Two-unit home near the beach, ideal for living or investment.

    200-202 3rd Avenue, Manasquan, NJ 08736
    View details
    Victorian Multi-Family Property on Large Lot
    $749,910
    0.55 Acres

    Victorian Multi-Family Property on Large Lot

    Two-family Victorian on a large lot with redevelopment potential.

    80 Atlantic Avenue, Long Branch, NJ 07740
    View details
    Ocean Grove Multifamily Property
    $749,000
    0.04 Acres

    Ocean Grove Multifamily Property

    Two-unit property near the beach and downtown Asbury.

    147 Webb Avenue, Ocean Grove, NJ 07756
    View details
    Keansburg Legal 2-Unit Duplex
    $524,990
    1,800 SF

    Keansburg Legal 2-Unit Duplex

    Turn-key income-generating duplex in high-demand area with modern upgrades.

    19 Laurel Avenue, Keansburg, NJ 07734
    View details

    Monmouth County, NJ Duplexes Investment Opportunities Market Analysis

    Explore 48 duplexes for sale in Monmouth County, NJ, showcased through 48 active listings on our real estate platform. These investment opportunities span a total of 263,974 square feet of properties for sale, with an estimated market value of $27,455,696.

    Sale prices for duplexes in Monmouth County, NJ start at $390,000, averaging $784,448, and reaching up to $1,549,000 — offering options for a variety of budgets and business needs. Daily updated analytics ensure you stay ahead with the latest data and market trends.

    List
    Map

    Duplexes by market

    Browse Duplexes for Sale Near Monmouth, NJ

    Popular Categories

    Select Neighborhood

    Google sign-in failed. Please try again or use another login method.
    Sign Up Successful!
    You now have access to more from Realmo!