Lawrence F. Oster, Sr., age 95, of Delaware County, PA and Avalon, NJ died Friday, May 24, 2019 at Granite Farms Estates of Media, PA. Larry was a graduate of Upper Darby High School. He was Co-Owner of Barger Construction/Woodside Associates, retiring in 2003. He was a US Army Veteran, serving during WWII, receiving the Purple Heart in the Battle of the Bulge. Larry was a member of the American Legion Post 331, Stone Harbor, NJ; the Avalon Lions Club and the Avalon Yacht Club. Mr. Oster enjoyed volunteering for many Avalon benefits. He was a devoted father and grandfather and most of all cherished spending time with his family.Son of the late Simon A. and Olive (Martel) Oster; husband of the late Eleanor M. Oster; father of the late Lawrence F. Oster, Jr., grandfather of the late Joseph Williams; brother of the late Mary Jane Saling.Survivors are: Son: Joseph (Amy) Oster; Daughters: Susan (Chris) Oster and Eleanor Dale; Grandchildren: Stephanie Williams, Jennifer Dale, Madison Oster, Amanda Oster, Joey Oster; Brother: Roy (Gerry) Oster. He is also survived by many nieces and nephews.In lieu of flowers, memorial donations may be made to: Wounded Warrior Project, PO Box 758517, Topeka, KS 66675-8517https://support.woundedwarriorproject.org/or to a Charity of your choice.