Single Family Detached at 66 Warren Street, Charleston SC 29403

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$3,995,000

66 Warren Street, Charleston SC 29403

Charleston, SC 29403

Listed by Gentry Radwanski

Bedrooms

Bathrooms

6.5

Living area

N/A

Year built

1854

About this home

Three-time Preservation Society honoree, fully restored, with a private guest house, walled garden and off-street parking on tree-lined Warren Street. The Simons-McIntosh House, built in 1854, is one of Radcliffeborough's distinguished landmarks in the heart of Charleston's historic district. This classic Charleston single house has Greek Revival character throughout: dentiled cornicework crowns the facade, an entry door framed by sidelights and a transom welcomes guests, and graceful double piazzas run the length of the house. The Preservation Society of Charleston has honored the home three times, with a 1992 Carolopolis Award, a 2023 Pro Merito award for continued preservation and a historic plaque in 2024.The property includes a four-bedroom main residence and the historic two-story kitchen house, now a private guest residence. Together they offer six bedrooms, six and a half baths, and approximately 4,708 square feet. Inside, ceilings over 10 feet, gleaming heart pine floors and four working fireplaces create an atmosphere of timeless elegance. The chef's kitchen pairs custom cabinetry and waterfall stone countertops with a professional-grade Wolf gas range. A butler's pantry with generous counter space and storage leads to a formal dining room made for memorable evenings, where double French doors open to a sunlit deck for effortless al fresco entertaining. Each of the four bedrooms has its own designer en-suite bath. The primary retreat offers a walk-in closet, dedicated laundry and a spa-inspired bath with a double vanity and windows overlooking the gardens. Beyond the deck lies a private walled garden, a rare downtown sanctuary. A slate patio, winding walkways, swaying palms, crepe myrtles and a stately live oak create a serene Lowcountry escape. The guest residence has its own entrance, two bedrooms, 1.5 baths and laundry, making it an ideal haven for visitors or a refined home office. Recent improvements include a 2024 roof, all-new HVAC with UV air purification and a tankless water heater. Coveted off-street parking completes this exceptional offering. The home sits between Coming and Thomas Streets, moments from Marion Square, King Street's boutiques and acclaimed neighborhood restaurants. Folly Beach, Sullivan's Island and Charleston International Airport are each about 20 minutes away. Flood Zone AE.

Highlights

Fireplace

Property details

MLS: CHS Regional MLS
MLS #: 26027716
Property type: Single Family Detached
Subdivision: Radcliffeborough
Status: Active
Days on market: 5
On market date: October 7, 2026
Stories: 3
Total bathrooms: 6.5
Garage spaces: N/A
Parking spaces: N/A
Lot size: 0.17 acres

Location

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Nearby schools

Within 10 miles. School directory data from the National Center for Education Statistics (NCES), accessed via the Urban Institute Education Data API. Local Score is calculated by INNOVATE Real Estate; where a state rating is shown, it comes from that state's own official school report card.

Elementary

Memminger Elementary

0.57 mi away · Grades -1-5

Zoned school (attendance boundary, 2015-16 data)

3.6

Local Score (state rating (2025) blended 70/30 with student-teacher ratio) -- not an official state rating

State rating: Average (2025)

Enrollment: 332
Student:teacher ratio: 8.3:1
District: Charleston 01

Middle

Simmons Pinckney Middle

0.78 mi away · Grades 6-8

Zoned school (attendance boundary, 2015-16 data)

2.2

Local Score (state rating (2025) blended 70/30 with student-teacher ratio) -- not an official state rating

State rating: Unsatisfactory (2025)

Enrollment: 262
Student:teacher ratio: 10.1:1
District: Charleston 01

High

Burke High

0.82 mi away · Grades 9-12

Zoned school (attendance boundary, 2015-16 data)

5.0

Local Score (student-teacher ratio only (preliminary -- will incorporate state test-score data once available)) -- not an official state rating

Enrollment: 355
Student:teacher ratio: 6.0:1
District: Charleston 01

Walkability

Blended score for Charleston's center, calculated by INNOVATE Real Estate from two sources: the EPA's National Walkability Index (street network, transit, land-use mix) and Google Places amenity data (what's actually reachable on foot from this point). EPA National Walkability Index only -- nearby-amenity data not cached yet for this area.

Highly walkable

out of 100

EPA National Walkability Index

18.0 / 20 -- Most walkable

Market position

How this listing compares to current activity in Charleston, from live MLS data.

On the market 5 days -- 23 fewer days than Charleston's current average of 28 days.

For reference, the median list price across 8 active listings in Charleston right now is $1,732,500.

Mortgage calculator

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Home price

Down payment

Interest rate

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Est. monthly payment

$24,208/mo

$799,000 down

$3,196,000 loan

Principal & interest$20,729

Property tax (est.)$3,329

Home insurance (est.)$150

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Data source: Listing information provided by CHS Regional MLS via Trestle/CoreLogic. Last updated 16 days ago.

Information herein deemed reliable but not guaranteed; all measurements, school assignments, HOA fees, taxes, and feature lists are approximate and should be independently verified. Equal Housing Opportunity.