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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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
49 Photos 66 America Street UNIT A&B Charleston, SC 29403

66 America Street UNIT A&B
Charleston, SC 29403
Eastside
Residential

MLS# 26005754 / Active
6 br, 4 ba, 2800 Sqft

This beautifully renovated historic duplex features two units, each with 3 bedrooms and a flex space that has been used as a 4th bedroom. Located i... 

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$1,199,000
Provided courtesy of Keller Williams Realty Charleston West Ashley
75 Photos 163 Coming Street Charleston, SC 29403

163 Coming Street
Charleston, SC 29403
Radcliffeborough
Residential

MLS# 26005685 / Active
10 br, 6 ba, 4129 Sqft

163 & 163.5 Coming Street present a rare multi-unit investment opportunity in the heart of downtown Charleston. Ideally positioned just three block... 

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$2,295,000
Reduced -$100,000
Provided courtesy of The Exchange Company, LLC
22 Photos 52 S Battery UNIT E Charleston, SC 29401

52 S Battery UNIT E
Charleston, SC 29401
South Of Broad
Residential

MLS# 26005438 / Active
2 br, 2 ba, 974 Sqft

Set within a distinguished Colonial Revival home on prestigious South Battery, this exquisite second-floor residence offers the rare opportunity to... 

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$870,000
Reduced -$25,000
Provided courtesy of Constant Properties
38 Photos 214 Calhoun Street UNIT #7 Charleston, SC 29401

214 Calhoun Street UNIT #7
Charleston, SC 29401
Fredrick Shaffer House
Residential

MLS# 26005109 / Active
2 br, 2 ba, 1017 Sqft

Welcome to this stunning, fully furnished, turn-key, 2 bed/2 bathroom penthouse in the heart of downtown Charleston. This gorgeous condo located in... 

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$985,000
Reduced -$5,000
Provided courtesy of Carolina One Real Estate
75 Photos 54 Church Street Charleston, SC 29401

54 Church Street
Charleston, SC 29401
South Of Broad
Residential

MLS# 26004931 / Active
4 br, 5 ba, 2 Half Bath, 4852 Sqft

Located within one of the most exclusive enclaves of downtown Charleston--introduced by the historic charm of Stoll's Alley, the iconic pedestrian ... 

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$8,699,000
Reduced -$299,500
Provided courtesy of EXP Realty LLC
7 Photos 266 Ashley Avenue Charleston, SC 29403

266 Ashley Avenue
Charleston, SC 29403
City Of Charleston
Residential

MLS# 26004882 / Active
2 br, 2 ba, 1337 Sqft

Darling Pied-a-terre mere steps from all downtown living has to offer. well renovated freedman-style dwelling melds 19th century charm with modern ... 

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$750,000
Reduced -$20,000
Provided courtesy of Carolina One Real Estate
29 Photos 69 Morris Street UNIT Apt 301 Charleston, SC 29403

69 Morris Street UNIT Apt 301
Charleston, SC 29403
Morris Square
Residential

MLS# 26004708 / Active
2 br, 2 ba, 1 Half Bath, 1431 Sqft

Welcome to unit 301 at 69 Morris Street, a beautifully maintained condo offering the perfect blend of comfort and modern city living. Ideally locat... 

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$1,475,000
Reduced -$100,000
Provided courtesy of Island House Real Estate
38 Photos 829 Rutledge Avenue Charleston, SC 29401

829 Rutledge Avenue
Charleston, SC 29401
Wagener Terrace
Residential

MLS# 26004655 / Active
4 br, 4 ba, 1 Half Bath, 1988 Sqft

This grand 1930's Craftsman on Rutledge Avenue has been completely restored to last a lifetime. Every possible attention to detail has been put int... 

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$1,395,000
Reduced -$100,000
Provided courtesy of Carolina One Real Estate
61 Photos 78 Vanderhorst Street Charleston, SC 29403

78 Vanderhorst Street
Charleston, SC 29403
Radcliffeborough
Residential

MLS# 26004624 / Active
3 br, 2 ba, 1 Half Bath, 1914 Sqft

78 Vanderhorst is a stunning 3-bedroom Charleston single built in the 1890s. It was raised 13.9 feet by Luxury Simplified Construction in 2020 and ... 

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$1,899,000
Provided courtesy of Realty One Group - Lowcountry
25 Photos 1 Ducs Court Charleston, SC 29403

1 Ducs Court
Charleston, SC 29403
Eastside
Residential

MLS# 26004605 / Active
2 br, 2 ba, 1 Half Bath, 992 Sqft

Welcome to 1 Ducs Court, a fabulous opportunity to live in historic downtown Charleston and enjoy the walkability of this vibrant and bustling urba... 

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$749,000
Reduced -$50,000
Provided courtesy of William Means Real Estate, LLC
43 Photos 5016 Old Bridgeview Drive UNIT #5016 Charleston, SC 29403

5016 Old Bridgeview Drive UNIT #5016
Charleston, SC 29403
The Bristol
Residential

MLS# 26004439 / Active
2 br, 2 ba, 1626 Sqft

This gorgeous luxury condo located on the top floor of the Bristol, provides panoramic views of the Ashley River and the Bristol Marina. The privat... 

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$955,000
Reduced -$14,900
Provided courtesy of Land South of Charleston, LLC
74 Photos 50 Anson Street Charleston, SC 29401

50 Anson Street
Charleston, SC 29401
Ansonborough
Residential

MLS# 26004194 / Active
2 br, 2 ba, 1 Half Bath, 2033 Sqft

50 Anson Street: Sophisticated Living in Historic AnsonboroughTucked within one of downtown Charleston's most desirable neighborhoods, 50 Anson Str... 

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$3,199,000
Reduced -$101,000
Provided courtesy of Maison Real Estate
52 Photos 6 & 6.5 Addison Street Charleston, SC 29403

6 & 6.5 Addison Street
Charleston, SC 29403
North Central
Residential

MLS# 26004089 / Active
5 br, 4 ba, 1 Half Bath, 2561 Sqft

2,561 Total SqFt! Welcome Home to your Downtown Double-Gem! Step into a realm of timeless elegance and contemporary luxury with this rare TWO-dwell... 

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$1,290,000
Reduced -$29,000
Provided courtesy of Realty ONE Group Coastal
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 06-09-2026 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.
Commercial Sale/Lease: Copyright 2026 South Carolina commercial MLS, Inc. All rights reserved. Last updated on 06-09-2026 3:04 PM EST est.

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