Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the use in thisPre-Effective Amendment No.1 to Registration Statement on FormS-1 of First Seacoast Bancorp of our report dated March 8, 2019, relating to the consolidated financial statements of Federal Savings Bank and Subsidiary appearing in the Prospectus, which is part of this Registration Statement.
We also consent to the reference to our firm under the heading “Experts” in such Prospectus.
/s/ Baker Newman & Noyes LLC
Portland, Maine
April 29, 2019