EXHIBIT 23.a ARTHUR ANDERSEN LLP Consent of Independent Public Accountants To the Board of Directors of Saul Centers, Inc.: As independent public accountants, we hereby consent to the incorporation by reference in this registration statement of our report dated February 2, 2001 included in Saul Centers, Inc. Form 10-K for the year ended December 31, 2000. /s/ Arthur Andersen LLP Vienna, Virginia April 30, 2001