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Historic Duplex With ADU
For Sale
Under Contract
$1,725,000

120 Alexander Street, Charleston, SC 29403

MULTI_FAMILY - Charleston, SC

Property Size3,062 SF
Lot Size0.11 Acres
Price / SF$563.36
Days on Market53

Property Features for 120 Alexander Street

General Information

Property type Residential Multi Family
Property subtype Other
Bedrooms 6
Rooms Bedroom 1, Bedroom 6, Bedroom 5, Bedroom 2, Bedroom 4, Bedroom 3
Interior features Ceiling Fan(s)
Subdivision Wraggborough
Elementary school Memminger
Middle school Simmons Pinckney
High school Burke
Directions From East Bay St, Take Charlotte St, Rt. On Alexander St; The Home Is On The Right. From Calhoun St., Take Alexander St And Home Is On The Right.
Standard status Active Under Contract
Size 3,062 SF
Lot size 0.11 Acres

Utilities

Sewer type Public Sewer
Heating system Forced Air, Central
Cooling system Central Air
Water source Public

Building Details

Year built 1890
Floors in Building 2
Number of units 2
Building materials Wood Siding
Roof type Metal
Listing Agency: Lois Lane Properties
Listed By: Keelin Love
Added: Jul 1 Changed: Aug 12 Last Checked: Aug 22 at 10:06AM
MLS# 26018839

Copyright © 2026 CHS Regional MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

Investment Insights

Based on property information with market context.

Historic Downtown Charleston duplex in the Wraggborough neighborhood, built in 1890, with a main house plus an ADU. The home currently has 6 bedrooms and 5 full bathrooms. Interior features include ceiling fan(s). Heating is central with forced air, and cooling is central air. Water and sewer services are public, and the roof is metal with wood siding construction.

Parking for 3 cars is available in the driveway, and street parking is described as easy and available on wide Alexander St. Updates and renovations listed include an addition with a new 12 X 8 bathroom in the ADU, HVAC improvements including a new HVAC and an enclosure around HVAC units, new tankless hot water heaters, new siding, metal roof repaired and sealed, new windows with one exception in the ADU, and a renovated front porch. Exterior and site improvements include a huge deck off the ADU, fresh landscaping and walkway design with new pavers, and landscape lighting.

The property is offered as an investment opportunity, with notes that the main house could be used as a primary residence while renting the back for income.

Key Highlights

  • Historic Downtown Charleston duplex with ADU built in 1890
  • 6 bedrooms and 5 full bathrooms
  • 0.11‑acre lot with 3,062 SF

Property Analytics

Current Use

Duplexes

Suggested Use

Top Pick Auto Parts Store Electrical Service Locksmith (Bike/Boat/Book/etc) Store Auto Repair Shop Mobile Phone Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

2
Residential units
Yes
Paved road access

Location Intelligence

Trade Area within ½ mile

2,754
Businesses Nearby

Demographics for 29403, SC

21,363
Population
13,013
Households
1.6
Avg Household Size
30
Median Age
57%
College-Educated
92%
High-School Grad
5.4 sq mi
ZIP Area
3,956
Density / Sq Mi
$65,689
Median Household Income
$43,421
Median Earnings
$1,658
Median Rent
$624,000
Median Home Value

Market

Vacancy Rate% for Multifamily in South region

8.5% 2022
10.2% 2023
11.4% 2024
11.3% 2025
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Frequently Asked Questions

What type of property is this?
Duplex - Historic Charleston duplex with ADU, central HVAC, and public utilities, plus parking for 3 cars in the driveway.
Where is this duplex located?
The property is located at 120 Alexander Street Charleston, SC.
What is the asking price?
The asking price for this property is $1,725,000.
What are key features of this property?
This property features: Historic Downtown Charleston duplex with ADU built in 1890; 6 bedrooms and 5 full bathrooms; 0.11‑acre lot with 3,062 SF
More about this property
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