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    Charleston County, SC Duplexes for Sale

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    Updated Duplex with Private Suite
    Updated: Sep 2
    Updated Duplex with Private Suite

    3651 Barton Street, Johns Island, SC 29455

    $649,000
    2,364 sqft 0.34 AC lot
    First‑floor suite with full kitchen, bathroom, laundry, and private entrance
    2,364 square feet on a 0.34‑acre lot
    Two‑car garage with an 11‑foot garage gate
    Brazilian hardwood floors, vaulted ceilings, quartz counters, and custom cabinetry
    No HOA; property includes space for recreational vehicle parking
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    Updated Duplex with Rental Flexibility
    Updated: Aug 6
    Updated Duplex with Rental Flexibility

    734 Deene Street, Charleston, SC 29412

    $595,000
    1,350 sqft 0.28 AC lot
    Two‑unit duplex with 1,350 square feet on a 0.28‑acre lot
    Each unit offers 2 bedrooms, 1 bathroom, a living room, and an eat‑in kitchen
    One side has a long‑term tenant; the other operates as a furnished mid‑term rental
    Updated unit improvements include flooring, paint, fixtures, cabinets, appliances, and ceiling fans
    Roof installed in 2019; HVAC in one unit installed in 2019; both water heaters installed in 2025
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    Two-Unit Charleston-Style Duplex
    Two-Unit Charleston-Style Duplex

    96 Bogard Street, Charleston, SC 29403

    $900,000
    2,068 sqft 0.08 AC lot

    Configured as separate upstairs and downstairs residences with shared outdoor space and off-street parking.

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    Historic Two-Unit Duplex
    Historic Two-Unit Duplex

    96 Bogard St, Charleston, SC 29403

    $900,000
    2,068 sqft

    Flexible duplex with separate residences, historic detailing, porches, fenced outdoor space, and off-street parking.

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    Two-Unit Duplex with Off-Street Parking
    Two-Unit Duplex with Off-Street Parking

    3 Strawberry Lane, Charleston, SC 29403

    $1,175,000
    2,044 sqft 0.08 AC lot

    Separate living spaces support owner occupancy, leasing flexibility, or multigenerational use in Charleston’s Upper Peninsula.

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    2021-Built Duplex Homes
    2021-Built Duplex Homes

    11 Hanover Street, Charleston, SC 29403

    $1,999,999
    3,462 sqft 0.13 AC lot

    Separate front and rear residences support owner occupancy, leasing, or eligible short-term rental use.

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    Charleston-Style Duplex
    Charleston-Style Duplex

    695 King Street, Charleston, SC 29403

    $1,499,000
    2,300 sqft 0.10 AC lot

    Updated two-unit layout pairs original character with separate kitchens, living areas, and laundry arrangements.

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    Updated Duplex with Rental Flexibility
    Updated Duplex with Rental Flexibility

    734 Deene St, Charleston, SC 29412

    $595,000
    1,350 sqft

    Two-bedroom units, private backyards, and off-street parking support the property’s existing long-term and furnished mid-term rental uses.

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    Duplex Property with Separate Entrance
    Duplex Property with Separate Entrance

    1514 Balsam Street, Charleston, SC 29407

    $445,000
    1,664 sqft 0.21 AC lot

    Flexible layout includes a separately accessed area operating as an Airbnb.

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    Updated Duplex with Hardwood Floors
    Updated Duplex with Hardwood Floors

    4 Murphy Court, Charleston, SC 29403

    $1,600,000
    2,128 sqft 0.06 AC lot

    Fully leased two-unit property with renovated kitchens and bathrooms, off-street parking, and major system improvements.

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    Downtown Duplex with Off-Street Parking
    Downtown Duplex with Off-Street Parking

    3 Strawberry Ln, Charleston, SC 29403

    $1,175,000
    2,044 sqft

    Two separate residences support owner occupancy, leasing, or multigenerational living arrangements.

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    Renovated Duplex with Fenced Yard
    Renovated Duplex with Fenced Yard

    1038 Harbor View Road, Charleston, SC 29412

    $799,000
    1,992 sqft 0.34 AC lot

    Fully leased two-unit property with updated kitchens, bathrooms, appliances, and separate outdoor areas.

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    Renovated Historic Duplex
    Renovated Historic Duplex

    66 America Street, Charleston, SC 29403

    $1,174,000
    2,800 sqft 0.08 AC lot

    Two residential units offer flexible layouts, private porch areas, and access to a fenced outdoor setting.

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    Updated Duplex with Private Suite
    Updated Duplex with Private Suite

    3651 Barton Street, Johns Island, SC 29455

    $649,000
    2,364 sqft 0.34 AC lot

    First-floor secondary living area includes a full kitchen, bathroom, laundry, and separate entrance.

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    Furnished Duplex with Private Courtyards
    Furnished Duplex with Private Courtyards

    425 King Street, Mount Pleasant, SC 29464

    $1,650,000
    1,500 sqft 0.08 AC lot

    Furnished two-unit property with renovated kitchens and baths, stainless appliances, washer and dryer equipment, and private outdoor areas.

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    Renovated Duplex with Hardwood Floors
    Renovated Duplex with Hardwood Floors

    19 America Street, Charleston, SC 29403

    $1,145,000
    2,000 sqft 0.06 AC lot

    Renovated two-unit property with updated kitchens, baths, mechanical systems, and backyard parking.

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    Two-Unit Short-Term Rental Property
    Two-Unit Short-Term Rental Property

    111 Cannon St, Charleston, SC 29403

    $3,875,000
    2,811 sqft

    Turnkey, furnished two-unit setup with seven bedrooms and private outdoor amenities for short-term guests.

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    Tenant-Occupied General Business Duplex
    Tenant-Occupied General Business Duplex

    975 Harbor View Road, Charleston, SC 29412

    $695,000
    1,958 sqft 0.35 AC lot

    Brick veneer property with public water and sewer, asphalt roofing, and ample on-site parking.

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    Renovated Charleston Duplex Investment Opportunity
    Renovated Charleston Duplex Investment Opportunity

    63 Montagu Street, A, Charleston, SC 29401

    $1,299,000
    3,092 sqft

    Income-producing duplex near MUSC, Roper Hospital, and Broad Street.

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    Tenant-Occupied Duplex
    Tenant-Occupied Duplex

    969 Harbor View Road, Charleston, SC 29412

    $695,000
    1,647 sqft 0.35 AC lot

    General Business zoning supports retail, drive-through fast food, or office use.

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    Two-Home Duplex Property
    Two-Home Duplex Property

    4 Bogard St, Charleston, SC 29403

    $1,995,000
    1,320 sqft

    Two independent residences share one Charleston lot near King Street, MUSC, and the College of Charleston.

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    Renovated Historic Duplex
    Renovated Historic Duplex

    66 America St Unit A & B, Charleston, SC 29403

    $1,174,000
    2,800 sqft

    Turn-key duplex with two renovated units, each offering three bedrooms plus a flex space, with private outdoor areas.

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    Redevelopment Duplex Portfolio Site
    Redevelopment Duplex Portfolio Site

    4685 River Rd, Johns Island, SC 29455

    Contact for pricing
    7,600 sqft 3.04 AC lot

    Four vacant concrete block duplex shells on roughly 3.0 acres offer city water and on-site septic support.

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    Two-Unit Residential Duplex
    Two-Unit Residential Duplex

    1820 Iris Street, North Charleston, SC 29405

    $424,900
    2,016 sqft

    Residential duplex with dishwasher, electric cooktop, and refrigerator included.

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    Charleston County, SC Duplexes Market Trends and Statistics

    Explore 31 duplexes for sale in Charleston County, SC, showcased through 31 active listings on our real estate platform. These investment opportunities span a total of 68,657 square feet of properties for sale, with an estimated market value of $30,598,899.

    Sale prices for duplexes in Charleston County, SC start at $315,000, averaging $1,092,817, and reaching up to $3,875,000 — 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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    Featured Charleston County Real Estate Agencies

    Realmo connects you with licensed Charleston County CRE brokers providing property specifications, local market pricing, and commercial transaction underwriting support.

    AgentOwned Realty
    824 Johnnie Dodds Blvd Mount Pleasant, SC 29464
    Phone: 18435720004
    AgentOwned.com
    Dunes Properties of Charleston
    1400 Palm Blvd. Isle of Palms, SC 29451
    Phone: 18438865600
    www.dunesproperties.com

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