Lamar Odom Planting Roots Back In CA, Renting Bachelor Pad

Turns out ya can't keep Lamar Odom out of Los Angeles ... because we've learned the former Lakers star is settling back into California, and he's picked up a swanky bachelor pad after spending some time in ATL.

A manager for Lamar tells TMZ ... he moved into his $15K-a-month rental Wednesday, just in time for the holidays. We're told he signed a 1-year lease on the home, located in The Oaks in Calabasas -- aka Kardashian territory.

The 4,445 square foot home is decked out with custom walk-in closets, a built-in BBQ area, a spa and waterfalls. The common areas are pretty awesome ... a gym, tennis courts and a clubhouse.

The house is big enough for Lamar's security and his kids, and he's excited to start a new life in this new place. FYI, when he and Khloe Kardashian tied the knot in 2009, they moved into a $4M home in Tarzana, not far from his new place.

Lamar was in Georgia for about a year ... and we're told he came to LA and was living with a friend the past few months, finally planting roots back in Cali.