9 William St

Mount Pleasant, SC 29464

$2,550,000
Price
4
Beds
2,999 Sq. Ft.
$850 / Sq. Ft.
2,999
Sq. Ft.
$850
per Sq. Ft.
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133444336
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131 Copper River
153747925

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...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.
  1. Listed by Dunes Properties of Charleston Inc

Property Details for 9 William Street

Architectural Style
Traditional
Subdivision Name
Old Village
LISTING UPDATED: 04/30/2026 01:30 PM

Property Details for 9 William Street

StatusActive
MLS #26012243
Days on Market8
Taxes$5,078 / year
HOA Fees-
Condo/Co-op Fees-
Property TypeSingle Family
MLS TypeResidential / Single Family Detached
Year Built2008
Lot Size0.18 AC / 7,840 SF
CountyCharleston County
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Location

Listing Courtesy of Dunes Properties of Charleston Inc
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Building Information for 9 William Street

Stories2Year Built2008Building Size-Lot Size0.18 AC / 7,840 SF

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$13,264 per month

30 year fixed, 6.46% Interest

Principal and Interest

$12,841

Property Taxes

$423

HOA Dues

$0

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Property Information for 9 William Street

Summary
Location and General Information
  • Latitude: 32.777842
  • Longitude: -79.864102
  • Directions: From Coleman Blvd. To Ben Sawyer Blvd., Take A Right Onto Center St., Turn Left Onto Royall Ave., Turn Right Onto William St. And The Home Is On The Right Corner.
Taxes and HOA
  • Tax Map Number: 5321300043
School Information
  • Elementary School: Mt. Pleasant Academy
  • High School: Lucy Beckham
  • Middle Or Junior School: Moultrie
Parking
  • Attached Garage YN: None
  • Carport Spaces: 0.0
  • Carport YN: False
  • Covered Spaces: 2.0
  • Garage Spaces: 2.0
  • Garage YN: Yes
  • Parking Features: 2 Car Garage, Garage Door Opener
  • Parking Total: 2.0
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Property
Lot Information
  • Building Area Total: 2999.0
  • Building Area Units: Square Feet
  • Foundation Details: Raised
  • Lot Features: Corner Lot, Level, Marshview
  • Other Structures: No
  • New Construction YN: No
Property and Assessments
  • Property Attached YN: No
  • Photos Count: 59
  • Photo Rights: I own the photos or have the right to use: Yes
  • Assumable: No
Utilities
  • Utilities: Dominion Energy, Mt. P. W/S Comm
  • Sewer: Public Sewer
  • Water Source: Public
Interior and Exterior Features
Interior Features
  • Heating YN: Yes
  • Bathrooms Half: 1
  • Cooling: Central Air
  • Cooling YN: Yes
  • Fireplace Features: Great Room, One
  • Fireplace YN: Yes
  • Fireplaces Total: 1
  • Flooring: Ceramic Tile, Wood
  • Heating: Central, Heat Pump
  • Interior Features: Ceiling - Smooth, High Ceilings, Kitchen Island, Walk-In Closet(s), Ceiling Fan(s), Great, Living/Dining Combo, Pantry
  • Laundry Features: Laundry Room
  • Room Master Bedroom Features: Ceiling Fan(s), Multiple Closets, Walk-In Closet(s)
  • Room Master Bedroom Level: Upper
  • Levels: Two
  • Stories: 2
Exterior Features
  • Patio And Porch Features: Deck, Front Porch, Screened
  • Security Features: Security System
  • Community Features: Park, Tennis Court(s), Trash
  • Construction Materials: Cement Siding
  • Fencing: Partial, Fence - Wooden Enclosed
  • Roof: Architectural

Property History for 9 William Street

DateEvent & SourcePriceAppreciation
Apr 29, 2026

Listed (Active)

CHS Regional MLS #26012243

$2,550,000—
DateEvent & SourcePrice
04/29/2026

Listed (Active)

CHS Regional MLS #26012243

$2,550,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 9 William Street

Taxable ValueLand-Additions-Total-
Tax Record2024$4,493 ($374 / month)
Home Facts
Beds4Baths4.5Total Finished SqFt2,880 SqFtAbove Grade Finished SqFt2,880 SqFtStories2Lot Size7,841 SqFtStyleSingle Family ResidenceYear Built2008CountyCHARLESTONAPN532-13-00-043Fireplace TypeHas Fireplace

Schools near 9 William Street

This home is within Charleston 01 School District.
Rating
School
Type
Grades
Distance
Mt. Pleasant Academy
Public - PK to 5
Moultrie Middle School
Public - 6 to 8
Lucy Garrett Beckham High
Public - 9 to 12
East Cooper Montessori Charter School
Charter - PK to 8
Rating
School
Distance
Mt. Pleasant Academy
PublicPK to 5

Moultrie Middle School
Public6 to 8

Lucy Garrett Beckham High
Public9 to 12

East Cooper Montessori Charter School
CharterPK to 8

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

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More information about 9 William Street, Mount Pleasant, SC 29464

9 William Street is a single family home for sale in Mount Pleasant, SC 29464. This property was listed for sale on April 29, 2026 by Dunes Properties of Charleston Inc, it's currently listed at $2,550,000. This listing's school district is Charleston 01 School District. Nearby schools include Mt. Pleasant Academy, Moultrie Middle School and Lucy Garrett Beckham High. 9 William Street is a 4-bed, 5-bath, 2,999 sqft single family home built in 2008.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

Listing Courtesy of Dunes Properties of Charleston Inc

We do not attempt to independently verify the currency, completeness, accuracy or authenticity of the data contained herein. It may be subject to transcription and transmission errors. Accordingly, the data is provided on an “as is” “as available” basis only and may not reflect all real estate activity in the market. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. No financial or legal advice provided. Equal Housing Opportunity. Based on information from one of the following Multiple Listing Services: Charleston Trident MLS, LowCountry Regional and REsides, Inc. Information being provided is for the visitor’s personal, noncommercial use and may not be used for any purpose other than to identify prospective properties visitor may be interested in purchasing. The data contained herein is copyrighted by Canopy MLS, High Country Association of REALTORS,© 2024 REsides and LowCountry Regional Inc. All rights reserved. Certain information contained herein is derived from information which is the licensed property of, and copyrighted by, REsides, Inc. Any dissemination of this information is in violation of copyright laws and is strictly prohibited. Property information referenced on this web site comes from the Internet Data Exchange (IDX) program of the MLS. This web site may reference real estate listing(s) held by a brokerage firm other than the broker and/or agent who owns this web site. For the avoidance of doubt, the accuracy of all information, regardless of source, is deemed reliable but not guaranteed and should be personally verified through personal inspection by and/or with the appropriate professionals.