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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41 Photos
Open House: Sun Jun 14th, 11:00am - 1:00pm
34 Rose Lane Charleston, SC 29403

34 Rose Lane
Charleston, SC 29403
Cannonborough-Elliotborough
Residential

MLS# 26013313 / Active
3 br, 3 ba, 1 Half Bath, 1850 Sqft

Built by one of Downtown Charleston's most sought-after contractors, HHM Builders, 34 Rose Lane is a 2022 new construction home that delivers somet... 

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$1,890,000
Reduced -$260,000
Provided courtesy of EXP Realty LLC
33 Photos 279 Coming Street Charleston, SC 29403

279 Coming Street
Charleston, SC 29403
Cannonborough-Elliotborough
Residential

MLS# 26013290 / Active
9 br, 6 ba, 2100 Sqft

Step into a rare piece of Charleston history at 279 Coming Street an 1852-built triplex that effortlessly blends timeless character with strong inv... 

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$1,899,000
Provided courtesy of The Real Estate House International
75 Photos 67 Warren Street Charleston, SC 29403

67 Warren Street
Charleston, SC 29403
Radcliffeborough
Residential

MLS# 26013209 / Active
6 br, 5 ba, 1 Half Bath, 5800 Sqft

This exceptional downtown residence showcases the very best of Charleston living, blending historic architectural details with thoughtful modern up... 

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$4,200,000
Provided courtesy of Maison Real Estate
56 Photos 21 E Battery Charleston, SC 29401

21 E Battery
Charleston, SC 29401
South Of Broad
Residential

MLS# 26012755 / Active
7 br, 6 ba, 4 Half Bath, 13462 Sqft

21 East Battery offers a rare opportunity to steward one of Charleston's most historically significant residences. Known as the Edmondston-Alston H... 

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$14,000,000
Provided courtesy of The Cassina Group
36 Photos
Open House: Tomorrow 12:00pm - 2:00pm
928 Ashley Avenue Charleston, SC 29403

928 Ashley Avenue
Charleston, SC 29403
Wagener Terrace
Residential

MLS# 26012710 / Active
3 br, 3 ba, 2044 Sqft

Welcome to 928 Ashley Avenue, a charming 1935 Cape Cod home in desirable Wagener Terrace in Charleston. This fully renovated home offers a well-des... 

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$1,300,000
Reduced -$99,000
Provided courtesy of Carolina One Real Estate
75 Photos 39 Society Street Charleston, SC 29401

39 Society Street
Charleston, SC 29401
Ansonborough
Residential

MLS# 26012703 / Active
4 br, 4 ba, 1 Half Bath, 3989 Sqft

Welcome to a truly exceptional residence where refined elegance and thoughtful design converge. Ideally located in Ansonborough, one of downtown Ch... 

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$4,995,000
Provided courtesy of Maison Real Estate
37 Photos 18 Iron Forge Alley Charleston, SC 29403

18 Iron Forge Alley
Charleston, SC 29403
Residential

MLS# 26012688 / Active
3 br, 2 ba, 1 Half Bath, 1444 Sqft

FULLY FURNISHED. TURN KEY. Welcome to 18 Iron Forge Alley, a beautifully designed luxury residence located within an exclusive community built on t... 

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$985,000
Reduced -$10,000
Provided courtesy of The Pulse Charleston
37 Photos 2 Gadsden Street UNIT D Charleston, SC 29401

2 Gadsden Street UNIT D
Charleston, SC 29401
Harleston Village
Residential

MLS# 26012484 / Active
3 br, 2 ba, 1 Half Bath, 1404 Sqft

Nestled on a coveted corner lot in the heart of Harleston Village, this refined townhome offers a rare blend of historic charm and elevated modern ... 

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$1,295,000
Reduced -$5,000
Provided courtesy of Healthy Realty LLC
69 Photos 4 Exchange Street Charleston, SC 29401

4 Exchange Street
Charleston, SC 29401
South Of Broad
Residential

MLS# 26012468 / Active
2 br, 2 ba, 1 Half Bath, 2000 Sqft

Perched above Charleston's celebrated Waterfront Park, this extraordinary new construction two bedroom, two and a half bath fee-simple townhouse is... 

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$3,800,000
Provided courtesy of Constant Properties
29 Photos
Open House: Sun Jun 14th, 2:00pm - 4:00pm
9 Lapp's Court Charleston, SC 29403

9 Lapp's Court
Charleston, SC 29403
Eastside
Residential

MLS# 26012463 / Active
3 br, 2 ba, 1 Half Bath, 1502 Sqft

NEW CONSTRUCTION- Welcome to 9 Lapps Court, your Dream Home in the Heart of the Eastside!Discover luxury redefined in this stunning NEW 3-bedroom, ... 

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$899,900
Reduced -$25,000
Provided courtesy of Realty ONE Group Coastal
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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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