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$995,000
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Property Description
Experience the quintessential Lowcountry lifestyle in this stunningly renovated waterfront gem on Cooper Lake. Tucked away on a quiet street and framed by a majestic, mature live oak, this 4-bedroom, 3-bathroom ranch offers rare privacy in the heart of South Mt. Pleasant. The house sits well off the street on a generous lot, providing a secluded retreat from the everyday hustle.Centrally located for an effortless commute to Downtown Charleston, Sullivan's Island, and James Island, you are minutes away from Shem Creek, Trader Joe's, and the area's favorite coffee shops and restaurants. Large backyard with a new privacy fence and ample room for boat storage.The heart of the home is a chef-inspired eat-in kitchen featuring quartz countertops, a premium gas stove with a vented hood, anda charming custom-built breakfast nook. Step from the kitchen onto expansive double decks or relax in the family room by the gas log fireplace. With a seamless transition to the screened porch, you can leave the doors open most of the year to enjoy the coastal breeze while watching storks, egrets, and ospreys in your private backyard sanctuary. The newly reimagined primary suite is a true escape, boasting a spa-like bathroom with marble finishes, a new vanity, a large walk-in shower, and a generous walk-in closet. Three additional bedrooms provide plenty of space for family, guests, or a dedicated home office. Additional upgrades include New HVAC and ductwork, updated lighting, and a newer hot water heater. Boasting an incredible location and unmatched charm, this home in South Mt. Pleasant simply cannot be missed.
Full Property Details
Full Property Details for 642 Williamson Dr
General
- Price: $995,000
- Status: Under Contract
- Type: Single Family
- Source: Charleston_Trident_MLS
- MLS ID: 26004002
- Updated: 2/14/2026
- Added to Site: 10 day(s) ago
Interior
- Interior Features: Ceiling - Smooth, Walk-In Closet(s), Eat-in Kitchen, Family
- Fireplace: Yes
- Number of Fireplaces: 1
- Fireplace(s): Gas Log, One
- Flooring: Ceramic Tile, Laminate
Rooms
Bathrooms
- Total Bathrooms: 3
- Full Bathrooms: 3
Bedrooms
- Total Bedrooms: 4
- Primary Bedroom: Garden Tub/Shower, Outside Access, Walk-In Closet(s), Lower
Other Rooms
- Laundry: Electric Dryer Hookup, Washer Hookup, Laundry Room
Exterior
- Deck/Patio: Deck, Screened
Parking
- Parking Features: Off Street
Location
- Area: 42 - Mt Pleasant S of IOP Connector
- County: Charleston
- Subdivision: Bay Tree
- Driving Directions: From Highway 17 Turn At Southern First Bank, Then Left On The Frontage Road Then Right On Williamson Drive. Home Is On The Left.
School Information
- Elementary School: James B Edwards
- Middle School: Moultrie
- High School: Lucy Beckham
Community
- Community Name: 42 - Mt Pleasant S of IOP Connector
Heating & Cooling
- Air Conditioning: Yes
- Heating Type: Heat Pump
Utilities
- Sewer: Public Sewer
- Water: Public
- Utility Description: Dominion Energy, Mt. P. W/S Comm
Structural Information
- Architectural Style: Ranch
- Foundation: Raised Slab
- Roof: Architectural
- Windows: Window Treatments - Some
- Entry Location: Ground Level
- Stories/Levels: 1
- Building Size: 1873
- Square Feet: 1,873
- Year Built: 1980
Lot Features
- Lot Size (Acres): 0.33
- Lot Size (Sq. Ft.): 14,374
- Lot Features: 0 - .5 Acre
- Fencing (Description): Wire, Wood
Water Features
- Water Front: Yes
- Water Front Desc.: Lake Front
Financial Considerations
- Terms: Cash, Conventional
Listed by The Cassina Group
Get Pre-Approved Today
Schools
Schools serving 642 Williamson Dr
School District:Charleston County School District
| Name | Grades | Distance |
|---|---|---|
James B. Edwards Elementary School 885 Von Kolnitz Road, Mount Pleasant, SC 29464 | PK-5 | 1.8 mi |
Moultrie Middle School 645 Coleman Boulevard, Mount Pleasant, SC 29464 | 6-8 | 1.1 mi |
Disclaimer:
School attendance boundaries provided by Pitney Bowes and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 642 Williamson Dr
Date
Details
Price
Change
Source
2/12/2026
Listed
$995,000
233.33%
MLS
12/28/2012
Sold
$298,500
—
Public Record
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Tax History
Tax History for 642 Williamson Dr
Year
Property Taxes
Change
Tax Assessment
Change
2024
$1,582
4%
$15,150
—
2023
$1,519
6%
$15,150
—
2022
$1,439
-9%
$15,150
—
2021
$1,579
-3%
$15,150
15%
2020
$1,631
14%
$13,180
—
2018
$1,428
1%
$13,180
—
2017
$1,409
5%
$13,180
—
2016
$1,343
-4%
$13,180
—
2015
$1,402
8%
$13,180
-3%
2012
$1,297
—
$13,600
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 642 Williamson Dr
642 Williamson Drive, Mount Pleasant, SC 29464 (MLS# 26004002) is a Single Family property with 4 bedrooms and 3 full bathrooms. 642 Williamson Drive is currently listed for $995,000 and was received on February 12, 2026. Want to learn more about 642 Williamson Drive? Do you have questions about finding other Single Family real estate for sale in Mount Pleasant? You can browse all Mount Pleasant real estate or contact a Coldwell Banker agent to request more information.

