Ozzy and Sharon Osbourne are preparing to swap their Beverly Hills mansion for a humble "small house with a small garden," according to the New York Post.

"It's quietly on the market," Sharon disclosed in a phone interview with The Post from the house Friday (Jan. 14). "We're not going to put a 'for sale' sign outside, but a few brokers in town know that it's on the market.

"The kids are growing up, they're moving out," Sharon said. "Once Kelly and Jackie-boy go, it's way too big for us. They want their own homes now, and Ozzy and I want a small house with a small garden for the dogs."

Sharon said Ozzy has been clean and sober for nine months, ever since he kicked the painkillers to which he became addicted following the crash of an all-terrain vehicle he was driving on his English estate last February.

Ozzy's addiction drama is the focal point of the season premiere of "The Osbournes" tonight at 10:30 on MTV — the first of 10 new episodes.

"The first episode really, really shows Ozzy really out of it," Sharon said. "He wasn't drinking, but he was on a lot of drugs — loads and loads of pain pills. But he's in the condition today where he can say, 'Thank God I've come through that and I'm not that way anymore.' "

After "The Osbournes" and "Battle for Ozzfest", Sharon said she and Ozzy — who helped usher in an entire era of celebrity reality shows — are finished with reality TV. But they're not done with TV.

They even have a new project in the works, an "unstructured" sitcom for Fox, possibly for next fall, Sharon said. "There is no script, but there is a whole storyline to the show, but we ad-lib our lines," she said, describing a technique used in such shows as "Curb Your Enthusiasm" and the upcoming "Fat Actress".