October featured the highest monthly percent increase in foreclosure starts since August 2011, according to RealtyTrac's U.S. Home Sales Report released on Thursday. During that month, the foreclosure process began for 48,605 properties, an increase of 12 percent from the month before. While this was the highest monthly percent increase in quite some time, the figure remained 14 percent below the level seen a year ago. Overall, RealtyTrac reported that foreclosure filings, including default notices, scheduled auctions and bank repossessions, went up 6 percent to 115,134 properties in October from the month prior.