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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.

Agent 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.

Key Features

  • Built in 2008
  • 0.18 acre lot
  • 2 stories
  • 2 parking spaces
  • Fireplace

Property Details

2 stories
4 full, 1 half
2 spaces
2008

Amenities

FireplaceA/C

Monthly Cost Estimate

$13,638/mo

20% down · 6.5% · 30 years

Principal$1,844
Interest$11,050
Insurance$744

Estimates only. Actual payments may vary.

Location

9 William Street

Mount Pleasant, SC 29464

Old Village

Features & Amenities

Interior Features

Ceiling - SmoothHigh CeilingsKitchen IslandWalk-In Closet(s)Ceiling Fan(s)GreatLiving/Dining ComboPantry

Property Details

Flooring

Tile - CeramicWood

Construction

Cement Siding

Pool Features

PorchDeck

Parking

GarageOpen

Heating

CentralHeat Pump (Heating)

Cooling

Central Air

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.

BM

Brian Mello

Agent at Dunes Properties of Charleston Inc

(843) 886-5600

Listed by Dunes Properties of Charleston Inc · View on Broker Site

MLS# 26012243· Source: listhub· Updated 33 days ago

Copyright © 2026 CHS Regional MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

9 William Street, Mount Pleasant, SC 29464

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