Downtown Charleston Homes with Mother In Law Suites

Mother-in-Law Suites are not very common in the Historic Downtown Charleston, SC real estate market. Due to the size of the lots on the peninsula and the nature of their first use, mother in law suites in Downtown Charleston are a rare find.. Of course there are opportunities to purchase multi family properties and use the additional space as a mother in law suite if needed. When looking for a home with a mother in law suite in Historic Downtown Charleston, consider checking the zoning for the area, as it is important information to have for insurance purposes. These are all of the homes for sale with Mother-in-Law suites in the Historic Downtown Charleston, SC real estate market.


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74 Photos 12 A Bedons Alley Charleston, SC 29401

12 A Bedons Alley
Charleston, SC 29401
South Of Broad
Residential

MLS# 26006676 / Active
2 br, 2 ba, 1670 Sqft

First time on the open market in over 27 years, this one of a kind garden oasis is truly special. Thought to be one of famed landscape architect Lo... 

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$2,495,000
Reduced -$80,000
Provided courtesy of Carriage Properties LLC
52 Photos 77 Pitt Street Charleston, SC 29403

77 Pitt Street
Charleston, SC 29403
Radcliffeborough
Residential

MLS# 26006583 / Active
10 br, 5 ba, 4300 Sqft

77 Pitt Street is a historic 1800's, three-unit home located in downtown Charleston in the heart of Radcliffeborough. Located just steps to the Col... 

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$2,700,000
Provided courtesy of Dunes Properties of Chas Inc
42 Photos 3 Elizabeth Street Charleston, SC 29403

3 Elizabeth Street
Charleston, SC 29403
Wraggborough
Residential

MLS# 26006516 / Active
4 br, 2 ba, 2216 Sqft

A treasured family heirloom, 3 Elizabeth Street is being offered to the public for the first time. Leave your mark on this irreplaceable circa-1825... 

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$975,000
Reduced -$1,025,000
Provided courtesy of Southeastern Management Group
15 Photos 33 Lockwood Drive UNIT I-7 Charleston, SC 29401

33 Lockwood Drive UNIT I-7
Charleston, SC 29401
The Harborage At Ashley Marina
Residential

MLS# 26006446 / Active
n/a br, n/a ba, 525 Sqft

Rare opportunity to own Boat Slip I-7 (12' x 35') in one of downtown Charleston's most sought-after marinas just as boating season approaches. This... 

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$105,000
Provided courtesy of Carolina One Real Estate
46 Photos 20 Limehouse Street UNIT D Charleston, SC 29401

20 Limehouse Street UNIT D
Charleston, SC 29401
South Of Broad
Residential

MLS# 26006377 / Active
1 br, 1 ba, 765 Sqft

Welcome to Lowcountry living at its finest! 20 Limehouse Street, unit D is located in the prestigious South of Broad neighborhood, tucked away in t... 

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$750,000
Reduced -$119,500
Provided courtesy of Carolina One Real Estate
48 Photos 20 Limehouse Street UNIT C Charleston, SC 29401

20 Limehouse Street UNIT C
Charleston, SC 29401
South Of Broad
Residential

MLS# 26006375 / Active
2 br, 1 ba, 1099 Sqft

Welcome to historic Lowcountry living! 20 Limehouse Street, unit C is located in the prestigious South of Broad neighborhood, tucked away in the he... 

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$950,000
Reduced -$134,500
Provided courtesy of Carolina One Real Estate
32 Photos 5 Trapman Street UNIT Unit 2 Charleston, SC 29401

5 Trapman Street UNIT Unit 2
Charleston, SC 29401
Harleston Village
Residential

MLS# 26006116 / Active
2 br, 2 ba, 1 Half Bath, 1140 Sqft

HARLESTON VILLAGE PIED-A-TERRE! Imagine living in the heart of historic downtown Charleston, where your mornings begin with a stroll to Colonial La... 

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$999,000
Reduced -$50,500
Provided courtesy of Keller Williams Realty Charleston
52 Photos 5 Legare Street UNIT C Charleston, SC 29401

5 Legare Street UNIT C
Charleston, SC 29401
South Of Broad
Residential

MLS# 26006015 / Active
2 br, 2 ba, 1 Half Bath, 2662 Sqft

Rare top floor residence (3rd/4th floors) in one of Charleston's most desirable lower Legare Street locations, South of Broad. Modern day livabilit... 

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$2,295,000
Reduced -$100,000
Provided courtesy of Carriage Properties LLC
22 Photos 55 Ashley Avenue UNIT Apt 6 Charleston, SC 29401

55 Ashley Avenue UNIT Apt 6
Charleston, SC 29401
Residential

MLS# 26005812 / Active
1 br, 1 ba, 1007 Sqft

Discover refined Lowcountry living in this elegant first-floor condo steps from Colonial Lake and the Battery. Privately accessed from the tree-lin... 

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$625,000
Reduced -$5,000
Provided courtesy of Brand Name Real Estate
37 Photos 64 Lenwood Boulevard UNIT Apt C Charleston, SC 29401

64 Lenwood Boulevard UNIT Apt C
Charleston, SC 29401
South Of Broad
Residential

MLS# 26005765 / Active
3 br, 3 ba, 1 Half Bath, 2478 Sqft

This move-in ready top-floor condominium sits on one of South of Broad's most attractive streets, just two blocks from The Battery and an easy walk... 

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$2,495,000
Reduced -$100,000
Provided courtesy of William Means Real Estate, LLC
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Broker Reciprocity The data relating to real estate for sale on this web site comes in part from the Broker ReciprocitySM Program of the Charleston Trident Multiple Listing Service. Real estate listings held by brokerage firms other than EXP Realty LLC are marked with the Broker ReciprocitySM logo or the Broker ReciprocitySM thumbnail logo (a little black house) and detailed information about them includes the name of the listing brokers. Last updated on 06-12-2026 3:04 PM EST . The broker providing these data believes them to be correct, but advises interested parties to confirm them before relying on them in a purchase decision. Copyright 2026 Charleston Trident Multiple Listing Service, Inc. All rights reserved.
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