Regulators shut down four more banks Friday, bringing the 2010 total to 143, topping the 140 shuttered last year and the most in a year since the savings-and-loan crisis two decades ago.

The Federal Deposit Insurance Corp. took over K Bank, based in Randallstown, Maryland, with $538.3 million in assets, and Pierce Commercial Bank, based in Tacoma, Washington, with $221.1 million in assets. The FDIC also seized two California banks: Western Commercial Bank in Woodland Hills, with $98.6 million in assets, and First Vietnamese American Bank in Westminster, with assets of $48 million.