Foreclosures and default notices skyrocketed to record peaks in California and the Bay Area in the fourth quarter of 2007, according to a report released Tuesday. The information was a fresh reminder that the slumping real estate market is continuing to have a serious impact on homeowners, particularly those with risky subprime mortgages.

Lenders repossessed 31,676 residences in California in the October-November-December period, according to DataQuick Information Systems, a La Jolla research firm. That was a dramatic 421.2 percent increase from 6,078 in the year-ago quarter.

In the Bay Area, foreclosures rose an equally stunning 482.5 percent to 4,573 in the fourth quarter, compared with 785 a year ago. Contra Costa County, with 1,558 foreclosures, up 533.3 percent from a year ago, had the most, followed by Alameda County with 1,026 (a 514.4 percent increase) and Solano County with 704 (up 528.6 percent).

"Foreclosure activity is closely tied to a decline in home values," DataQuick President Marshall Prentice said in a statement. "With today's depreciation, an increasing number of homeowners find themselves owing more on a property than its market value, setting the stage for default if there is mortgage payment shock, a job loss or the owner needs to move."
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