Bay Bancorp, Inc., formerly Carrollton Bancorp, is a savings and loan holding company. The Company operates through its subsidiary, Bay Bank, FSB (the Bank). It operates in the Community Banking segment. The Bank serves local consumers, small and medium size businesses, professionals and other customers by offering a range of financial products and services, including online and mobile banking, commercial banking, cash management, mortgage lending and retail banking. Its funds a range of loan types, including commercial and residential real estate loans, commercial term loans, lines of credit, consumer loans and letters of credit. It offers its customers wire transfer services, automated clearinghouse (ACH) services, automated teller machine (ATM) and check cards. It also offers telephone banking services and Internet bill paying services. It also offers remote deposit capture to its commercial customers and mobile capture to its business and consumer customers.