Member Details Ristau & Co., Inc. CPAs Share: Certified Public Accountants Ristau & Co., Inc. CPAs Request Info 101 College Avenue, Suite 1 Modesto, CA 95350 (209) 521-1376 (209) 521-0658 (fax) About Map About Accountants--Certified Public What's Nearby? Distance: 5 10 15 20 25 50 mi.