"Where there used to be very stable owner-occupied homes, you will see many more renters," he said.
There were 33,089 housing units with 20,364 owner-occupied homes costing at a median value of $163,400.
Proposition 13, passed in 1978, limited property tax increases to 2 percent a year for owner-occupied homes.
Build then would raise the money to construct about 1,000 owner-occupied homes.
Single-family owner-occupied homes was 41 with a median value of $81,400.
There were 9,422 owner-occupied homes with an average value, as of 2009, of $136,000.
There were 11,615 housing units with 5,389 owner-occupied homes costing at a median value of $1,000,000+.
Single-family owner-occupied homes was 35 with a median value of $77,100.
The area has the largest proportion of owner-occupied homes in Britain.
Such units are allowed in owner-occupied homes where the homeowner has lived more than 15 years.