EXHIBIT 23.a ARTHUR ANDERSEN LLP Independent Public Accountants Report 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 8, 1999 included in Saul Centers, Inc. Form 10-K for the year ended December 31, 1998 and to all references to our Firm included in this registration statement. /s/ Arthur Andersen LLP Washington, DC June 29, 1999