Exhibit 32 CERTIFICATION UNDER SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 To my knowledge, this Report on Form 10-Q for the nine months ended December 31, 2003, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, and the information contained in this Report fairly presents, in all material respects, the consolidated financial condition and results of operations of Central Bancorp, Inc. By:/s/ John D. Doherty ----------------------------------------------- John D. Doherty Chairman, President and Chief Executive Officer By:/s/ Michael K. Devlin ----------------------------------------------- Michael K. Devlin Senior Vice President, Treasurer and Chief Financial Officer Date: February 17, 2004