Curious about this home?
Ask anything — no agents, no pressure
Try asking
About This Home
This 4-bedroom, 5-bathroom single family at 9 William Street in Mount Pleasant, SC is listed for $2,550,000 ($850 per sqft). Built in 2008, the home offers 2,999 sqft of living space on a 0.18 acres lot.
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.
Key Features
- Built in 2008
- 0.18 acre lot
- 2 stories
- 2 parking spaces
- Fireplace
Property Details
Amenities
Monthly Cost Estimate
$13,638/mo
20% down · 6.5% · 30 years
Estimates only. Actual payments may vary.
Location
9 William Street
Mount Pleasant, SC 29464
Old Village
Features & Amenities
Interior Features
Property Details
Flooring
Construction
Pool Features
Parking
Heating
Cooling
Questions & Answers
This 4-bedroom, 5-bathroom single family at 9 William Street is listed at $2,550,000 ($850/sqft). The estimated monthly payment is $11,050 based on 20% down at 6.5% interest.
Key features include: Built in 2008, 0.18 acre lot, 2 stories, 2 parking spaces, Fireplace. Interior Features: Ceiling - Smooth, High Ceilings, Kitchen Island.
This property is listed by Brian Mello and can be reached at (843) 886-5600 or bmello@dunesproperties.com.








