Gregory Holthaus Back to Search Gregory Holthaus Southern Illinois Realty Experts 1508-B Sioux Drive , Marion , IL , 62959 121 N. 13th Street, Ste 2 , Herrin , IL , 62948 618-889-6473 (618) 529-3737 Send Email Contacts Primary Southern Illinois Realty Experts Southern Illinois Realty Experts Real Estate Offices Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone