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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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
31 Photos
Open House: Sun Jun 14th, 2:00pm - 4:00pm
11 Lapp's Court Charleston, SC 29403

11 Lapp's Court
Charleston, SC 29403
Eastside
Residential

MLS# 26012462 / Active
3 br, 2 ba, 1 Half Bath, 1502 Sqft

NEW CONSTRUCTION- Welcome to 11 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
23 Photos 12 Grove Street Charleston, SC 29403

12 Grove Street
Charleston, SC 29403
Romney Village
Residential

MLS# 26012325 / Active
3 br, 2 ba, 1188 Sqft

Priced UNDER appraisal, 12 Grove St is ready for its new homeowners! Centrally located downtown Charleston with easy access to Mt Pleasant or West ... 

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$515,000
Reduced -$4,500
Provided courtesy of The Pulse Charleston
23 Photos 707 Meeting UNIT Apt B & C Charleston, SC 29403

707 Meeting UNIT Apt B & C
Charleston, SC 29403
City Of Charleston
Residential

MLS# 26012146 / Active
8 br, 6 ba, 2 Half Bath, 3204 Sqft

Rare opportunity to own a newer construction (2017) duplex in Charleston's rapidly growing North Central corridor--ideal as an investment property,... 

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$1,695,000
Provided courtesy of Carolina One Real Estate
75 Photos 22 Rutledge Avenue Charleston, SC 29401

22 Rutledge Avenue
Charleston, SC 29401
Harleston Village
Residential

MLS# 26012051 / Active
6 br, 5 ba, 2 Half Bath, 6382 Sqft

This spectacular home overlooking Colonial Lake was designed by noted architect Bradford Lee Gilbert and constructed by Dr. Manning Simons for his ... 

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$7,485,000
Provided courtesy of The Cassina Group
20 Photos 271 Coming Street Charleston, SC 29403

271 Coming Street
Charleston, SC 29403
Elliotborough
Residential

MLS# 26011594 / Active
3 br, 3 ba, 1196 Sqft

This property has everything you need for a student or long term investment property, and nothing you don't. Historic Charleston single double piaz... 

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$675,000
Reduced -$24,000
Provided courtesy of Smith Spencer Real Estate
75 Photos 517 King Street UNIT #7 Charleston, SC 29403

517 King Street UNIT #7
Charleston, SC 29403
King Street Lofts
Residential

MLS# 26011548 / Active
2 br, 2 ba, 2230 Sqft

Experience the ultimate in modern luxury at 517 King Street Unit 7 - a one-of-a-kind urban sanctuary in the heart of historic Charleston with two g... 

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$2,820,000
Reduced -$155,000
Provided courtesy of Bryant Real Estate Group
45 Photos 63 Montagu Street Charleston, SC 29401

63 Montagu Street
Charleston, SC 29401
Harleston Village
Residential

MLS# 26011547 / Active
5 br, 4 ba, 3092 Sqft

Located in the heart of Harleston Village, 63 Montagu presents a rare opportunity to own a renovated duplex. Thoughtfully restored with preserved o... 

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$3,099,000
Reduced -$1,000
Provided courtesy of EXP Realty LLC
49 Photos 180 Broad Street UNIT E Charleston, SC 29401

180 Broad Street UNIT E
Charleston, SC 29401
Harleston Village
Residential

MLS# 26011535 / Active
1 br, 1 ba, 929 Sqft

Step into timeless Charleston charm in this beautifully preserved 1855 residence, known as the Cooper-O'Conner House. Rich with character, the home... 

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$750,000
Reduced -$75,000
Provided courtesy of Lois Lane Properties
75 Photos 55 Elizabeth Street Charleston, SC 29403

55 Elizabeth Street
Charleston, SC 29403
Wraggborough
Residential

MLS# 26011422 / Active
4 br, 3 ba, 1 Half Bath, 2416 Sqft

Tucked away on one of downtown Charleston's most charming streets, 55 Elizabeth Street is a home that doesn't just check boxes--it tells a story. I... 

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$2,695,000
Reduced -$100,000
Provided courtesy of Corcoran HM Properties
7 Photos 17 Maverick Street Charleston, SC 29403

17 Maverick Street
Charleston, SC 29403
North Central
Residential

MLS# 26011418 / Active
7 br, 3 ba, 2314 Sqft

Looking at all reasonable offers! 3 units, tenant occupied. Interior photos available upon request. Welcome to 17 Maverick st. This Charleston Sing... 

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$1,130,000
Provided courtesy of Changing Lives Forever Home Solutions
41 Photos 19 Ashton Street Charleston, SC 29403

19 Ashton Street
Charleston, SC 29403
Westside
Residential

MLS# 26011378 / Active
2 br, 2 ba, 1111 Sqft

19 Ashton Street is a rare opportunity to own a comprehensively restored Freedman's Cottage in Charleston's sought-after Westside neighborhood. Ric... 

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$725,000
Provided courtesy of Tift Properties
16 Photos 55 Ashley Avenue UNIT #2 Charleston, SC 29401

55 Ashley Avenue UNIT #2
Charleston, SC 29401
Harleston Village
Residential

MLS# 26011275 / Active
2 br, 2 ba, 1294 Sqft

Completely renovated 2-bed., 2-bath condo in the highly sought-after historic Baker House, ideally located in the heart of downtown Charleston's Ha... 

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$749,000
Provided courtesy of Agent Group Realty
Residential, Land, Other Disclaimer:

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 11:02 AM 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.
Commercial Sale/Lease: Copyright 2026 South Carolina commercial MLS, Inc. All rights reserved. Last updated on 06-12-2026 11:02 AM EST est.

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