RealtyTrac: Settlement gave lenders green light to resume actions against homeowners
Wells Fargo, Chase are nation's biggest mortgage lenders
Loan officers at New American Mortgage keep desks in brokerage's offices
Settlement provides help to 137,846 borrowers in 4 months
New American Mortgage loan officers will be present in brokerage offices
Company's software platform used by 4 of 5 largest banks
Timothy Mayopoulos served as lender's top lawyer
Company follows lead of major US lenders
Delinquent borrowers must obtain preapproved short-sale price from bank
Loan servicers must make decision in 30 days -- unless they need 60