Exhibit 23.3

	RP® FINANCIAL, LC.
	Advisory | Planning | Valuation

December 5, 2017

Board of Directors
Columbia Bank MHC
Columbia Financial, Inc.
Columbia Bank
19-01 Route 208 North

Fair Lawn, New Jersey 07410

Members of the Board of Directors:

We hereby consent to the use of our firm’s name in the Form MHC-2 Application for Approval of a Minority Stock Issuance by a Subsidiary of a Mutual Holding Company, and any amendments thereto, to be filed with the Federal Reserve Board, 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 in such filings including the prospectus of Columbia Financial, Inc. We also consent to the reference to our firm under the heading “Experts” in the prospectus.

Sincerely,

RP^® FINANCIAL, LC.

 

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