Exhibit 23.2

                               March 14, 2025

Boards of Directors

Assabet Valley Bancorp

Avidia Bank

42 Main Street

Hudson, Massachusetts 01749

Members of the Boards of Directors:

We hereby consent to the use of our firm’s name in the Form FR Y-3, and any amendments thereto, to be filed with the Federal Reserve Board (the “FRB”), in the Application for Conversion, and any amendments thereto, to be filed with the Massachusetts Commissioner of Banks, in the Application for Conversion, and any amendments thereto, to be filed with the FRB, and in the Registration Statement on Form S-1, and any amendments thereto, to be filed with the Securities and Exchange Commission. We also hereby consent to the inclusion of, summary of and references to our Valuation Appraisal Report and any Valuation Appraisal Report Updates and our statement concerning subscription rights in such filings including the prospectus of Avidia Bancorp, Inc. We also consent to the reference to our firm under the heading “Experts” in the prospectus.

Sincerely,

RP^® FINANCIAL, LC.

Washington Headquarters
1311-A Dolley Madison Boulevard	Telephone: (703) 528-1700
Suite 2A	Fax No.: (703) 528-1788
McLean, VA 22101	Toll-Free No.: (866) 723-0594
www.rpfinancial.com	E-Mail: mail@rpfinancial.com