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Two-Bedroom Duplex
For Sale
$431,000

21 Line Street, Charleston, SC 29403

The property combines forced-air and window-unit systems with Charleston Water Service.

Property SizeContact for details
Days on Market241

Property Features for 21 Line Street

General Information

Standard status Active
Property subtype Multi-Family

Additional Details

Multifamily Units 1

Amenities

Forced Air
Window Unit(s)
Charleston Water Service

Building Details

Year Built 1910
Listing Agency: The Goodwin Group Inc
Listed By: Bill Goodwin
Source: Kw
Added: Jan 4 Changed: Sep 2 Last Checked: Sep 1 at 4:51PM

Displayed information is deemed reliable but is not guaranteed and should be independently verified. All listing content including descriptions, pricing, images are the copyrighted material of The Goodwin Group Inc

Investment Insights

Based on property information with market context.

This 1910 duplex offers a two-bedroom configuration with an open interior layout and practical flow between living areas. Heating and cooling features include forced air and window units, while Charleston Water Service serves the property.

The duplex is situated on Line Street in downtown Charleston, on the peninsula and near the area’s central destinations. Its location places the property within the established urban setting of Charleston, South Carolina.

Key Highlights

  • Two‑bedroom duplex built in 1910
  • Open interior design with functional flow
  • Forced‑air system

Property Analytics

Current Use

Duplexes

Suggested Use

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

1
Residential units

Location Intelligence

Trade Area within ½ mile

2,132
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 - The property combines forced-air and window-unit systems with Charleston Water Service.
Where is this duplex located?
The property is located at 21 Line Street Charleston, SC.
What is the asking price?
The asking price for this property is $431,000.
What are key features of this property?
This property features: Two‑bedroom duplex built in 1910; Open interior design with functional flow; Forced‑air system
More about this property
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