Charleston County, SC Duplexes for Sale

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Updated: May 29

Duplex with Private Patios

1746 E Avalon Circle, Charleston, SC 29407

$440,000

1,595 sqft 0.41 AC lot

Two‑unit duplex totaling 1,595 square feet
Built in 1965 with brick veneer construction and an asphalt roof
Both units are currently leased
Private patio provided for each unit
Separate electric meters serve the two units

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This listing looks promising.

Here's a quick look at some key insights for

1746 E Avalon Circle, Charleston, SC 29407

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Est. Cap Rate

4.8%
NOI ÷ price
Est. NOI

$21K
Annual
Price @ 7% Cap

$298K
Suggested
Property Type

Duplex
Built 1965

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Updated: Aug 6

Updated Duplex With Private Yards

734 Deene Street, Charleston, SC 29412

$595,000

1,350 sqft 0.28 AC lot

Duplex on a 0.28‑acre site with two 2‑bedroom, 1‑bathroom units
Each unit includes a living room, eat‑in kitchen, off‑street parking, and private backyard
Unit B updated with flooring, paint, bathroom fixtures, kitchen cabinets, appliances, and ceiling fans
Roof installed in 2019; Unit B HVAC installed in 2019
Both water heaters installed in 2025

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Two-Unit Duplex with Parking

3 Strawberry Lane, Charleston, SC 29403

$1,175,000

2,044 sqft 0.08 AC lot

Separate residences support owner occupancy, leasing, or multigenerational living arrangements.

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Metal-Roof Duplex with Two Buildings

11 Hanover Street, Charleston, SC 29403

$1,999,999

3,462 sqft 0.13 AC lot

2021-built duplex in X flood zone on one lot, with two tenant-leased homes and metal roofs.

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Turnkey Luxury Duplex Opportunity

72 Ashe Street Unit #A,B, Charleston, SC 29403

$1,599,900

1,915 sqft

Fully furnished duplex with off-street driveway parking and a spacious backyard, offering two income-ready residential units.

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Duplex House With Off-Street Parking

72 Ashe Street, Charleston, SC 29403

$1,599,900

1,915 sqft 0.06 AC lot

Turn-of-the-studs duplex with central HVAC, public utilities, and off-street driveway parking in a downtown Charleston location.

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Duplex with Dual Residence Layout

695 King Street, Charleston, SC 29403

$1,749,000

2,300 sqft 0.10 AC lot

Duplex currently configured as two residences, with upstairs 3 bed/2 bath and downstairs 2 bed/1 bath.

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Turnkey Two-Unit Short-Term Rental

111 Cannon Street, Charleston, SC 29403

$3,980,000

2,811 sqft 0.13 AC lot

Two-unit property with 7 bedrooms and 7 bathrooms, professionally furnished, with a private backyard retreat.

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Redevelopment Duplex Portfolio Site

4685 River Rd, Johns Island, SC 29455

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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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Short-Term Rental Property with Central Air

1514 Balsam Street, Charleston, SC 29407

$479,000

1,664 sqft 0.21 AC lot

1965 brick veneer home with central air, public water and sewer, and a separate Airbnb portion with its own entrance.

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Fully Renovated Duplex with 2 Bedrooms

193 Line Street, Charleston, SC 29403

$975,000

1,410 sqft 0.04 AC lot

Fully renovated duplex with two 2-bedroom, 2-bath units and dedicated laundry for each unit.

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Two-Unit Short-Term Rental Property

111 Cannon Street, Charleston, SC 29403

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2,811 sqft

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

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Renovation-Underway Duplex Investment

767 Bermuda Street, Charleston, SC 29412

$655,000

1,592 sqft 0.25 AC lot

Duplex renovation underway with two 2-bedroom, 1-bath units on a 0.25-acre parcel on James Island.

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Duplex with Updated Kitchens and Baths

4 Murphy Court, Charleston, SC 29403

$1,600,000

2,128 sqft 0.06 AC lot

Fully leased duplex with two three-bedroom units, renovated kitchens and bathrooms, double piazzas, and off-street parking.

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Renovated Charleston Duplex Investment Opportunity

63 Montagu St, Charleston, SC 29401

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3,092 sqft

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

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Renovated Historic Duplex with Fenced Backyard

66 America Street, Charleston, SC 29403

$1,199,000

2,800 sqft 0.08 AC lot

Turn-key historic duplex with two units, central HVAC, and a fenced backyard with brick patio.

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Mixed-Use Income Property

114 Saint Philip Street Unit A, Charleston, SC 29403

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8,619 sqft

Two-building corner property with on-site parking and separate residential and restaurant/event income uses.

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Renovated Duplex

1038 Harbor View Road, Charleston, SC 29412

$799,000

1,992 sqft 0.34 AC lot

Two leased residences offer updated interiors, new appliances, and separate fenced outdoor space near a Harris Teeter retail center.

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Turnkey Duplex with Dual En Suites

7 Kyle Place #A&B, Charleston, SC 29403

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1,296 sqft

Fully permitted duplex renovated in 2016, offering two 2 bed/2 bath dual en-suite units and three off-street parking spaces.

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Updated Duplex with Pool

2142 Golfview Drive, Charleston, SC 29412

$1,375,000

2,406 sqft 0.15 AC lot

The property includes a renovated accessory dwelling unit with a modern kitchen and flexible occupancy potential.

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Renovated Historic Duplex

66 America Street #A&B, Charleston, SC 29403

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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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Bungalow-Style Duplex with Private Courtyards

425 King Street, Mount Pleasant, SC 29464

$1,650,000

1,500 sqft 0.08 AC lot

Turnkey duplex featuring private courtyards, off-street parking, and two beds and two baths per unit.

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Charleston Duplex in Prime Location

81 Simons Street #A+B, Charleston, SC 29403

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2,416 sqft

Fully leased duplex near Hampton Park and The Citadel.

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Charleston Duplex Near Golf Course

2021 Fremont Street, Charleston, SC 29412

$525,000

986 sqft 0.18 AC lot

Duplex in desirable location, potential for rental income.

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Charleston County, SC Duplexes Market Trends and Statistics

Explore 44 duplexes for sale in Charleston County, SC, showcased through 44 active listings on our real estate platform. These investment opportunities span a total of 82,157 square feet of properties for sale, with an estimated market value of $30,056,799.

Sale prices for duplexes in Charleston County, SC start at $290,000, averaging $1,113,214, and reaching up to $3,980,000 — 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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