Exhibit 31.2

CERTIFICATION
PURSUANT TO SECTION 302 OF THE
SARBANES-OXLEY ACT OF 2002

I, Claire S. Bean, certify that:

1. I have reviewed this Amendment No. 1 to Quarterly Report on Form 10-Q/A of Benjamin Franklin Bancorp, Inc.; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: August 18, 2006

/s/ Claire S. Bean Claire S. Bean

Chief Financial Officer