9 William St
Mount Pleasant, SC 29464
4 Beds
4.5 Baths
2,999 sqft
4 Beds
4.5 Baths
2,999 sqft
We estimate this home will sell faster than 92% nearby.
Local Information
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Description
Located in the heart of the Old Village in Mount Pleasant -- one of the Lowcountry's most sought-after neighborhoods -- this light-filled home is just minutes from historic downtown Charleston, Sullivan's Island, and Isle of Palms, offering an easy coastal lifestyle in an unbeatable setting. Spanning 3,000 square feet, this four-bedroom, four-and-a-half-bath residence has been freshly painted, creating a bright, airy feel throughout every space. The first floor features an open floor plan with a spacious family room centered around a fireplace and a large dining area, flowing seamlessly into the kitchen, which has a center island, abundant storage, and generous workspace for everyday living and entertaining. A laundry room conveniently located just off the kitchen enhances day-to-day ease.The flexible layout adds versatility, with a main-level guest suite and full bath--ideal for a home office or private guest space. Upstairs, the primary suite is filled with natural light and features dual closets and a spacious bath with dual vanities, a glass walk-in shower, and a freestanding soaking tub. Two additional bedrooms, each with en-suite baths, complete the second floor. Outdoor living is a standout, with multiple spaces designed to take advantage of the surroundings--including two porches with marsh and Intracoastal Waterway (ICW) views toward Sullivan's Island, a screened porch nestled among beautiful live oak trees, and a rooftop deck perfect for sunset views over the water. A new roof was installed in 2025. Just outside your door, enjoy the best of Old Village living--bike, walk, or take your golf cart to neighborhood favorites like Pitt Street Pharmacy, Alhambra Hall, waterfront parks, and local shops and restaurants. Historic downtown Charleston and area beaches are just minutes away. A bright, welcoming home in one of Mount Pleasant's most beloved neighborhoods--perfect for enjoying the best of coastal living.
We estimate this home will sell faster than 92% nearby.
Home Highlights
Parking
Garage
Outdoor
Porch, Deck
A/C
Heating & Cooling
HOA
None
Price/Sqft
$850
Listed
7 days ago
Home Details for 9 William St
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MLS Status: Active |
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Beds & Baths Number of Bedrooms: 4Number of Bathrooms: 5Number of Bathrooms (full): 4Number of Bathrooms (half): 1 |
Dimensions and Layout Living Area: 2999 Square Feet |
Appliances & Utilities Utilities: Dominion Energy, Mt. P. W/S CommLaundry: Laundry Room |
Heating & Cooling Heating: Central,Heat PumpHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central |
Fireplace & Spa Number of Fireplaces: 1Fireplace: Great Room, OneHas a Fireplace |
Windows, Doors, Floors & Walls Window: Window TreatmentsFlooring: Ceramic Tile, Wood |
Levels, Entrance, & Accessibility Stories: 2Levels: TwoFloors: Ceramic Tile, Wood |
Security Security: Security System |
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Exterior Home Features Roof: ArchitecturalPatio / Porch: Deck, Front Porch, ScreenedFencing: Partial, WoodFoundation: Raised |
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2No CarportHas a GarageParking Spaces: 2Parking: Garage,Garage Door Opener |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
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Days on Market: 7 |
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Year Built Year Built: 2008 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceArchitecture: Traditional |
Building Construction Materials: Cement SidingNot a New ConstructionNot Attached Property |
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Price List Price: $2,550,000Price Per Sqft: $850 |
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Direction & Address City: Mount PleasantCommunity: Old Village |
School Information Elementary School: Mt. Pleasant AcademyJr High / Middle School: MoultrieHigh School: Lucy Beckham |
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Listing Agent Listing ID: 26012243 |
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Building Area Building Area: 2999 Square Feet |
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Community Features: Park, Tennis Court(s), Trash |
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Lot Area: 7840.8 sqft |
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Listing Terms: Cash, Conventional |
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Mls Number: 26012243 |
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ParkTennis Court(s)Trash |
Last check for updates: 17 minutes ago
Listing courtesy of Dunes Properties of Charleston Inc
Source: CTMLS, MLS#26012243
Also Listed on CTMLS.
Price History for 9 William St
| Date | Price | Event | Source |
|---|---|---|---|
| 04/29/2026 | $2,550,000 | Listed For Sale | CTMLS #26012243 |
| 03/30/2018 | $1,195,000 | Sold | CTMLS #17018034 |
| 12/23/2017 | $1,249,900 | Pending | Agent Provided |
| 06/26/2017 | $1,249,900 | PriceChange | Agent Provided |
| 05/22/2017 | $1,299,000 | PendingToActive | Agent Provided |
| 05/19/2017 | $1,299,000 | Pending | Agent Provided |
| 05/15/2017 | $1,299,000 | Listed For Sale | Agent Provided |
| 06/21/2016 | $1,224,999 | ListingRemoved | Agent Provided |
| 04/05/2016 | $1,224,999 | PriceChange | Agent Provided |
| 03/18/2016 | $1,239,000 | Listed For Sale | Agent Provided |
| 10/03/2014 | $1,229,000 | ListingRemoved | Agent Provided |
| 05/24/2014 | $1,229,000 | Listed For Sale | Agent Provided |
| 12/13/2013 | $1,269,000 | ListingRemoved | Agent Provided |
| 11/01/2013 | $1,269,000 | PriceChange | Agent Provided |
| 10/02/2013 | $1,335,000 | PriceChange | Agent Provided |
| 09/11/2013 | $1,339,000 | PriceChange | Agent Provided |
| 09/05/2013 | $1,349,000 | PriceChange | Agent Provided |
| 07/23/2013 | $1,359,000 | Listed For Sale | Agent Provided |
| 07/16/2010 | $1,190,000 | ListingRemoved | Agent Provided |
| 02/28/2010 | $1,190,000 | Listed For Sale | Agent Provided |
| 04/07/2009 | $1,295,000 | ListingRemoved | Agent Provided |
| 09/13/2008 | $1,295,000 | Listed For Sale | Agent Provided |
| 07/24/2008 | $1,295,000 | ListingRemoved | Agent Provided |
| 04/18/2008 | $1,295,000 | PriceChange | Agent Provided |
| 03/09/2008 | $1,495,000 | Listed For Sale | Agent Provided |
| 09/01/2006 | $575,000 | Sold | N/A |
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Property Tax and Assessment
| Year | 2024 |
|---|---|
| Tax | $4,493 |
| Assessment | $1,195,000 |
Home facts updated by county records
Comparable Sales for 9 William St
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.14 | Single-Family Home | $3,200,000 | 11/12/25 | 4 | 4.5 | 3,019 | |
0.22 | Single-Family Home | $3,875,000 | 12/16/25 | 4 | 4.5 | 3,500 | |
0.12 | Single-Family Home | $1,775,000 | 12/01/25 | 3 | 3 | 1,680 | |
0.41 | Single-Family Home | $1,500,000 | 02/18/26 | 4 | 3 | 2,000 | |
0.09 | Single-Family Home | $3,075,000 | 09/17/25 | 3 | 2.5 | 2,272 | |
0.45 | Single-Family Home | $3,230,000 | 05/22/25 | 4 | 4.5 | 3,300 | |
0.19 | Single-Family Home | $2,795,000 | 08/21/25 | 3 | 2.5 | 2,306 | |
0.12 | Single-Family Home | $5,150,000 | 06/18/25 | 5 | 4.5 | 4,657 | |
0.46 | Single-Family Home | $1,610,000 | 12/05/25 | 3 | 2.5 | 2,245 |
Assigned Schools
These are the assigned schools for 9 William St.
- Mt. Pleasant Academy
- PK-5
- Public
- 658 Students
10/10GreatSchools RatingParent Rating Averagei went their for five years and it taught me how privledged everyone wasOther Review7y ago - James Island Charter High School
- 9-12
- Charter
- 1589 Students
9/10GreatSchools RatingParent Rating AverageWow. I’m only in my third year and have a lot to say regarding this school. While this school offers a great variety of different career path opportunities, classes, college credits, they don’t care much about their students. The school culture SUCKS and the pep rallies are BORING! The attendance policy is horrendous. The only notes they accept attendance wise is doctor/court notes to be fully excused and exempted but even then your teachers will still expect you to get all your work caught up. Next thing, the administration and guidance department wow! Please note if you attend this school that your counselor will try to act like they know things revolving mental health but they don’t! They lack degrees to interact with students as if they’re therapists. They don’t even give time to the students like they should to help them figure out college. Reporting crimes and caring about the safety of their students overall they don’t do to keep their reputation good. There’s still more to say.Student Review4mo ago - Moultrie Middle School
- 6-8
- Public
- 1119 Students
9/10GreatSchools RatingParent Rating AverageI am currently a student a Moultrie. Many of my teachers (and other teachers according to my friends) are incredibly rude and disrespectful to students. I have been told to “shut it” by my teacher almost every day. The teachers genuinely don’t car about bullying at all. Most people at this school are extremely anti-LGBT+ and anti-furry/therian. Also, fewer but still some people there (including teachers) are sexist and racist. The amount or work they give is unheard of. I have cried for hours because of lace of time to do things I enjoy. I have depression and Moultrie has only made it so much worse. I’m going to be honest I have never cheated on school work before but Moultrie made me. There are many unfair punishments but the kids who deserve them (homophobes, racist, sexist, bullies) don’t get almost any punishment. You also can’t go to the guidance councilor bc your parents will be told about your privet conversation. Many teachers have stolen from kids and nothing was done about it, teachers have been reported and nothing has been done. The only good thing about this school is the nurses, they actually help you and are kind. In summary: Moultrie is a horrible Nch where people go to suffer for 3 years or more. I can’t wait to leave.Student Review2mo ago 
Check out schools near 9 William St.
What Locals Say about Mount Pleasant
At least 595 Trulia users voted on each feature.
94 % Say it's dog friendly
89 % Say car is needed
89 % Say parking is easy
82 % Say people would walk alone at night
82 % Say there's holiday spirit
80 % Say it's quiet
80 % Say kids play outside
77 % Say yards are well-kept
68 % Say streets are well-lit
67 % Say there are sidewalks
62 % Say neighbors are friendly
59 % Say they plan to stay for at least 5 years
58 % Say there's wildlife
52 % Say it's walkable to grocery stores
52 % Say there are community events
49 % Say it's walkable to restaurants
Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Dunes Properties of Charleston Inc
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Copyright Charleston Trident Multiple Listing Service, Inc. All rights reserved. Information is deemed reliable but not guaranteed.
9 William St, Mount Pleasant, SC 29464 is a 4 bedroom, 5 bathroom, 2,999 sqft single-family home built in 2008. This property is currently available for sale and was listed by CTMLS on Apr 29, 2026. The MLS # for this home is MLS# 26012243.