Massive fortune and properties Diane Keaton left behind

Diane Keaton leaves behind a staggering net worth of $US100 million ($A152 million).

The Oscar winner, who died at age 79, starred in a slew of hits, including The Godfather trilogy, Father of the Bride and its sequel as well as The First Wives Club, but she was also a savvy real estate flipper, specialising in restoring historic homes.

Keaton had a deep appreciation for architecture and design, especially Spanish Colonial, Mission Revival and mid-century modern styles, Page Six reports.

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Diane Keaton leaves behind a staggering net worth of $US100 million. Picture: Alberto E. Rodriguez/Getty Images for Turner

Diane Keaton and Jack Nicholson in Something’s Gotta Give. Picture: Warner Bros.

Diane Keaton, Goldie Hawn and Bette Midler in a scene from the film The First Wives. Picture: Supplied

Several of her flips were sold to fellow celebrities, according to Celebrity Net Worth, including a 100-year-old mansion that she bought in 2007 for $US8.1 million ($A12.3 million).

Three years later, she sold it to American Horror Story producer Ryan Murphy for $10 million ($A15. 2 million).

In 2002, the Annie Hall star purchased a Bel Air home for an undisclosed amount. After renovations, she sold the home to a tech exec for $US16.5 million ($A25.1 million) in 2005.

A Laguna Beach property was bought for $US7.5 million ($A11.4 million) in 2002, renovated, and then sold just two years later for $US12.75 million ($A19 million).

Another house in the Pacific Palisades was bought, renovated, and then resold for over a million more than she paid.

Earlier this year, she put her Brentwood home up for sale. Picture: Realtor

The 79-year-old actress listed the Sullivan Canyon home for $US29 million. Picture: Realtor

There is a guesthouse and a heated, outdoor pool. Picture: Realtor

In 2017, Keaton released a design book, The House That Pinterest Built, which was described as both a “style guide” and “an inspirational tome.”

Keaton shared that when she wanted to build her own home, she took the advice of her Something’s Gotta Give director, Nancy Meyers, and took to the boards of Pinterest for inspiration.

“If you want to explore. If you love to see. If you’re looking to look, this book is an example of a home made from the gifts of other people’s addictive yearnings for the perfect home, with the perfect landscape and the perfect interior,” Keaton wrote.

Although Keaton’s cause of death has not been announced, there was one foreboding sign in March when she listed her “dream home” in Los Angeles for $US29 million ($A44.2 million).

She had previously stated that she planned to remain there permanently.

She is survived by her two children, daughter Dexter and son Duke.

Parts of this story first appeared in Page Six and was republished with permission.

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