The Grammy-winning singer, 26, born in Tottenham and raised in West Norwood, has fallen for the house which has three large bedrooms, three bathrooms and an infinity pool and whirlpool spa overlooking the Pacific.
There is also a gourmet kitchen, a temperature-controlled wine room and a luxurious outdoor barbecue.
One estate agent describes the property as an “entertainment oasis”.
The UK will still be Adele’s main base but it is thought she will use the California retreat as a winter escape with partner Simon Konecki, 40, and their two-year-old son, Angelo.
Adele bought the house next door to her in west London last year for £5.6 million.