EXHIBIT 23.3 CONSENT OF PILLSBURY MADISON & SUTRO We consent to the incorporation by reference in this Registration Statement of SDO ParentCo., Inc. on Form S-4 of our opinion regarding certain federal tax consequences dated February 17, 1995 which was filed as an exhibit to the Registration Statement on Form S-4 (No.33-57007) of the Registrant. /s/ PILLSBURY MADISON & SUTRO San Diego, California December 4, 1995