Inside the Largest House in South Carolina Everyone Is Waiting to See Again

Author: Brad Smith

If you think you’ve seen extravagant homes, think again. Charleston’s Williams Mansion, once known as the Calhoun Mansion, is the largest private residence in South Carolina—and it’s nothing short of jaw-dropping.

As an interior designer, I’ve walked through hundreds of iconic spaces, but this one challenged everything I know about scale, taste, and restraint.

From maximalist interiors that blur the line between collection and chaos to a tower room that finally gets it right, this home is a masterclass in bold design choices—with plenty of lessons hidden beneath the decor.

  • 📍 Location: Charleston, South Carolina
  • 💰 Estimated Price: $10 million – $12 million
  • 🏛️ Year Built/Remodel: Built in 1876, name changed and re-curated in 2020
  • 🌳 Size of Land: Approximately 0.4 acres
  • 📐 Size of House: 24,000 square feet
  • 🛏️ Rooms: 35 principal rooms

What the Reopening Could Mean for Charleston’s Design Dialogue

Charleston is a city known for its quiet elegance—Federal facadesGeorgian symmetrypalmetto-dappled piazzas. But this mansion? It’s a departure. A sharp one. Owner Joseph Barry didn’t just collect art and furniture—he amassed and displayed it with theatrical intent. It’s immersive. It’s over the top. It’s absolutely unforgettable.

The question now is whether this home will reenter public view as a design lesson or a cautionary tale. Will people embrace the boldness or leave with eye fatigue?


The Facade: Elegant Restraint

Grand Italianate Brick Facade Of Williams Mansion Charleston

From the street, the Williams Mansion is poised and polished. Three tiers of white-columned verandas wrap the red-brick structure. The symmetry is textbook, the craftsmanship tight. At first glance, you’d expect a refined, measured interior—a home in tune with Charleston’s more understated taste.

But this exterior is a decoy. Behind those classic doors lies a sensory ambush.

Landscaping: Control vs. Ornament

Formal Circular Garden With Classical Statue In Charleston Estat

Let’s talk about the garden. The circular hedge maze is geometric to the point of obsession. It’s beautiful, sure, but it borders on controlling. Nature doesn’t breathe here—it obeys.

Brick Courtyard With Central Fountain And Sculptural Accents

The rear courtyard, with its reflecting pool and brick paths, offers more peace but still feels manicured for presentation, not pleasure.

You don’t walk barefoot in this garden. You admire it from a distance and try not to sneeze near the sculpture.


Entrance Hall: Instant Visual Overload

Maximalist Entrance Gallery Inside Charleston’s Largest Mansion

The moment I stepped in, I stopped cold. The entrance gallery punches you in the face—with busts, urns, gold mirrors, and more gilded wood than Versailles on payday. There’s no visual rest. The ochre walls compete with oil paintings, which fight for space with marble pedestals, which lean into Victorian rugs that clash with…everything else.

From a design perspective, the biggest sin here isn’t boldness—it’s proximity. Even the most precious object loses impact when it’s suffocated by fifteen others.

Salon and Dining Chaos

Ornate Pink Dining Room With Gilded Decor In Charleston Mansion

The first dining space pushes limits even further. Rose-colored walls, beamed ceilingcrystal chandeliers, and a table drowning in silverglass, and porcelain. The mix is rich, but the message? Blurred.

Where do guests even place their plates?

There’s a point where opulence becomes performance. And here, performance has taken the lead.

Thematic Confusion

Across the main level, no theme sticks. Instead, it’s a collision course between Victorian maximalismRenaissance grandeur, and the occasional auction house free-for-all. It might thrill antique lovers—but as a designer, I see a space that lost sight of its proportions.


The Red Room (Master Bedroom)

Red Tapestry Bedroom With Empire Furniture In Historic Charlesto

This room is a statement—and the statement is “I dare you to relax here.” A blood-red silk tapestry becomes a headboard. Empire furniture with gold inlays stretches across the room. Overhead, a crystal chandelier clashes with a blue and cream ceiling that feels lifted from a different design plan entirely.

Functionality has taken a back seat. And while the craftsmanship is top-tier, the vibe is closer to imperial showroom than sanctuary.

The Green Parlor

Moorish Inspired Green Parlor With Middle Eastern Antiques

This one really got me. The deep green walls are dramatic, sure—but they fight the space. Add to that Middle Eastern inlaid furniturered-fringe lamps, and paintings in nearly every available inch, and you’ve got the design equivalent of a shouting match.

It’s globally inspired, yes—but nothing is edited. Style without pause becomes white noise.

Dining Room on the Third Floor

When I reached the third-floor dining room, something rare happened: I stopped feeling overwhelmed.

Black Carved Dining Set In Pale Yellow Charleston Mansion Room

This space is quieter—relatively speaking. Pale yellow walls bathe the room in a soft glow, while a hulking black carved wood dining table dominates the center like a grounded ship. Gothic high-back chairs cluster around it, their dark stain drawing every bit of light toward their mass.

On one hand, the restraint here is refreshing. No cluttered tabletops, no warring art collections—just a bold table, somber furniture, and a focused ceiling light.

But here’s the catch: the formality is stifling. This dining room doesn’t feel like a place for conversation. It feels like a set from a very serious, very solemn historical drama.

Would I dine here? Maybe. Would I laugh or linger over dessert? Probably not.

The Study Room or Office

Now, brace yourself for the study. This was the one room that made me pause and think: “Did I just step into a treasury vault?”

Gilded Desk And Red Carpets In Historic Study Room

The entire room exudes wealth and religious gravitas. Red carpets underfoot, gilded desks polished to a mirror shine, and bronze statuettes set atop ornate pedestal tables. On the walls, oversized oil paintings—one of Christ ascending—dominate the mood.

It’s bold. It’s heavy. It’s… a lot.

The color scheme doesn’t whisper “focus”—it shouts “contemplate eternity or else!” From a functionality standpoint, it misses the mark. A study should encourage thought, conversation, maybe even a little wandering of the mind. Here, the only wandering I did was trying to find a spot that didn’t feel crushed under layers of symbolism and gold leaf.

This isn’t an office for working. It’s an office for impressing.


Observatory Room

Light Filled Blue Tower Room With Chinese Accents

Then you reach the top, and something rare happens: you breathe. The tower room is the only space that feels aware of its own power. Sky-blue beadboardwhite-trim windowsfiltered light—everything opens up. The Asian-inspired furniture is elegant, but not aggressive. Art is framed, spaced, even thoughtfully arranged.

It’s still decorative. Still collected. But this room finally trusts the architecture to lead. I walked in and thought, “Here it is. This is what the whole house could be with some restraint.”


The Mansion’s Identity Crisis

Is the Williams Mansion a residence, a museum, or a collector’s labyrinth?

From a design perspective, it’s trapped in a strange middle space. It doesn’t behave like a home—there’s nowhere to unwind. But it’s not a museum either—there’s no clear curatorial thread. It’s more like a set for an elaborate period drama that never calls “cut.”

As a designer, I always ask: what’s the purpose of this space? Here, that answer keeps changing from room to room. And the result is visual fatigue.

Why the Williams Mansion Still Matters

Charleston doesn’t need another copy of itself. It needs contrast—things that challenge its design norms and stretch the comfort zone. The Williams Mansion does that in spades. Even in its current state, it sparks debate, stops conversations mid-sentence, and forces people to think about space differently.

And for that reason, I want it to succeed.

As a designer, it frustrates me. As a human who believes homes should tell stories? I’m glad it exists.

Because here’s the truth: every city needs at least one house that goes too far. It shows us where the line is. Or where it could be redrawn.

Mansion NameLocationSize (sq ft)Notable Style TraitPublic Access
Williams MansionCharleston, SC24,000Maximalist interiorsReopening in 2025
Biltmore EstateAsheville, NC175,000French Renaissance châteauOpen to public year-round
Houmas HouseDarrow, LA38,000Greek Revival with white columnsTours daily
Drayton HallCharleston, SC~10,000Minimalist Georgian symmetryPreservation site only
Longue Vue HouseNew Orleans, LA20,000Art Deco + Southern classicismCurated garden & home tours

Where does Joseph Barry, the owner of Williams Mansion in Charleston, South Carolina, live now?

Joseph Barry currently resides at the Williams Mansion in Charleston, South Carolina. He is known to have owned and personally curated the mansion’s collection, though public access has been restricted since 2020.

What is the address of the Williams Mansion in Charleston, South Carolina?

The address of the Williams Mansion in Charleston, South Carolina is 16 Meeting Street. This location places it within Charleston’s historic district, surrounded by other significant architectural landmarks.

How much is the Williams Mansion in Charleston, South Carolina worth?

The estimated value of the Williams Mansion in Charleston, South Carolina is between $10 million and $12 million. This estimate is based on its square footage, historic significance, and the value of the interior collection, though it has not been formally listed for sale.

How old is the Williams Mansion in Charleston, South Carolina?

The Williams Mansion in Charleston, South Carolina was completed in 1876, making it nearly 150 years old. It was originally built after the Civil War and is one of the largest private residences ever constructed in the city.

Can you tour the Williams Mansion in Charleston, South Carolina?

Tours of the Williams Mansion in Charleston, South Carolina have been paused since 2020, but are scheduled to resume in 2025. The reopening will reportedly include appointment-only visits with small group limits to preserve the mansion’s interiors.


Final Thought

Williams Mansion isn’t a design mistake. It’s a design megaphone. Joseph Barry built an environment that shocks, delights, frustrates, and overwhelms—often all in the same room. For visitors, that makes it unforgettable. For designers, it’s a case study in what happens when passion runs unchecked by scale, rhythm, or function.

Charleston is about to reintroduce this home to the world. The only question left: Will the world admire the spectacle, or question the staging?