Sarah Michelle Gellar and Freddie Prinze Jr. are parting ways with their longtime Los Angeles home, listing the sprawling Hamptons-style estate in Brentwood’s Mandeville Canyon for $10.5 million, People reported cited conformation from listing agents. months after the actress revealed the one marriage rule that has helped define their 23-year relationship: “Separate bathrooms.”The couple’s gated property, represented by Cindy Ambuehl of Christie’s International Real Estate Southern California, spans 7,318 square feet and includes five bedrooms and six bathrooms. Originally built in 2006, the residence sits on 0.34 acres and features canyon views, a heated private pool, multiple entertainment spaces, and interiors inspired by classic East Coast Hamptons design.According to the listing on the luxury residential real estate website, the home was designed to balance luxury with comfort, offering bright open living spaces, a large chef’s kitchen with premium appliances and a central island, a formal dining room, and a dedicated home office. Upstairs, the primary suite includes a spa-inspired bathroom, an oversized walk-in closet, and a private balcony overlooking the landscaped grounds.The backyard is built for indoor-outdoor California living, complete with a barbecue area, lounging spaces, and a resort-style pool surrounded by mature greenery.Gellar and Prinze Jr. purchased the property in 2013 for $6.1 million, according to Realtor.com. The pair first met while filming the 1997 horror movie I Know What You Did Last Summer and began dating before they got engaged in 2001 and married in September 2002.Over the years, the couple has become known as one of Hollywood’s longest-lasting relationships while also sharing the screen in projects including Scooby-Doo (2002), Scooby-Doo 2: Monsters Unleashed (2004), and the animated film Happily N'Ever After (2006).Earlier this year, the Buffy the Vampire Slayer star opened up about what she believes has helped keep her 23-year marriage to Freddie Prinze Jr. strong. “Separate bathrooms. That's what I always say,” Gellar told E! News.She later expanded on the idea in a March 2026 interview with People, joking that the real secret to a lasting relationship is “one bedroom, two bathrooms.” Gellar added, “You don't have to be so fancy that there's two bathrooms in your bedroom! There just has to be another bathroom available.” According to the actress, having separate spaces “stops a lot of petty fighting.”The Brentwood property was officially listed on May 28, 2026, and includes three stories, six fireplaces, a two-car garage, and parking space for up to six vehicles.