25 Biggest Residential Houses In The World

Owned by Steve Huff, this fortress is is as tough as it is big. In fact, it’s meant to withstand any and every disaster imaginable.

Believed to be the biggest house in Canada, this still unfinished mega mansion is quite remote. To get there you’ll have to travel about half way up to Hudson Bay from Toronto.

This massive estate was modeled after King Louis XIV’s Palace of Versailles.

In addition to what might be included in many of these residential estates (massive rooms, luxury extras, heated driveways), Xanadu 2.0 has a swimming pool with an underwater music system. It’s Bill Gate’s house…what do you expect?

This California style residence was at one time the most expensive private home anywhere in the world. Its heated marble driveway costs over $3 million just by itself.

Located on the legendary Californian coastline, this castle became a national park after its owner, William Hearst, passed away in 1951.

Built in the late 1800’s by George Washington Vanderbilt II (no relation to George Washington), this estate is still the largest privately owned residence in the US.

This massive mansion was renovated by Donald Trump and then sold to Russian billionaire Dmitry Rybolovlev for nearly $100 billion. (At the time it was the most expensive residential property sale in US history.) Dmitry eventually destroyed the house.

Oprah even nicknamed her sprawling 42 acre residence the “promised land.”

This massive estate on the French Riviera has had several owners, the latest of which were busy suing each other over money and stuff…#richpeopleproblems. Here’s a fun fact though – the villa has 50 gardeners for 20 acres of land.

Palm Beach is home to some of the wealthiest people on the planet, but you won’t believe who owns one of the biggest houses in the neighborhood…a hair dresser. Okay, sort of. Sydell Miller is the co-founder of Matrix Essentials hair products.

During one of his visits to California, this Los Angeles mansion hosted Prince Charles of Wales. Originally, it belonged to Candy and Aaron Spelling, but after Aaron’s death, Candy sold the mansion for nearly $90 million.

This hilltop property is known as “the castle” thanks to its high walls and tight security.

This place needs no introduction, but here’s a cool fact – it takes 570 gallons of paint to completely cover the outside.

This lavish estate comes with a Turkish bath that fits 20 people. And did we mention the glass elevator?

Built in the 11th century following the Norman invasion of England, this royal residence has long captivated the world’s imagination. It is the largest inhabited castle in the world as well as the longest occupied castle in Europe.

David Siegel had to delay construction on his massive home when the Great Recession brought the economy to a grinding halt. Since then, however, construction on yet another Florida mansion has resumed. Did we mention that this monstrosity has a 30 car underground garage?

Listed on the National Register of Historic Places, this 98-room mansion is an example of American Renaissance and Beaux-Arts design.

Built by John Hampden Randolph in 1859, the Nottoway Plantation is the largest still-standing plantation in the South.

Owned by the Sultan, Hassanal Bolkiah, the name of this mansion translates to “Palace of the Faith Light.” It has a 110 car garage.

Designed by an architecture firm in Paris, this estate has a two level basement, bowling alley, and even a designated hair dressing room.

It should come as no surprise that the biggest house in the Hamptons would be on our list. Investor Ira Rennert’s mansion includes a hot tub that is rumored to cost $150,000.

Once known as the winter White House, this 114-room estate was eventually bought by Donald Trump. After he became President, it once again became the (unofficial) winter White House.

You may recognize the enormous estate of Otto Hermann Kahn. It serves as the backdrop to numerous Hollywood films, TV shows, and extravagent events.

One of the largest houses in the world is actually a skyscraper in downtown Mumbai. The world’s fifth richest man, Mukesh Ambani, built this tower for his small family of 5. It has a staff of over 600.