Bay Bancorp, Inc., formerly Carrollton Bancorp, is a bank holding company. Carrollton Bank (the Bank) is a commercial bank and its principal subsidiary. The Bank is engaged in a general commercial and retail banking business. As of December 31, 2011, the Company had a total of 10 full-service branch locations in Maryland with two branch locations in Baltimore City, three branch locations in Anne Arundel County, four branches in Baltimore County, and one branch in Harford County. The Bank also has a limited-service branch in Howard County, which serves customers by appointment only. The Bank is a community bank, which provides personal attention and professional financial services to its customers. Its customers are individuals and small and medium-sized businesses.