Exhibit 23.0 INDEPENDENT AUDITORS' CONSENT We consent to the incorporation by reference in Registration Statement No. 333-27444 of First Bell Bancorp, Inc. on Form S-8 of our report dated March 23, 2001, incorporated by reference in the Annual Report on Form 10-K of First Bell Bancorp, Inc. for the year ended December 31, 2000. /s/ DELOITTE & TOUCHE LLP Pittsburgh, Pennsylvania March 30, 2001