Sandra (Sandy) L. Zimmerman, 84, of Lancaster passed away Monday, August 11, 2025, surrounded by her family at Lancaster General Hospital. Born in Lebanon, PA she was the daughter of the late Albert and Dorothy (Ulrich) Waltz. She is preceded in death by her brother, James Waltz of Post Falls, ID.

Sandy was a passionate and dedicated school secretary at Conestoga Valley School District. You could always find her buried in a book and she found comfort in her bible studies. Family gatherings and holidays were a great source of joy for Sandy. She always made sure each and every family member and friend had their own bag of her famous cookies for Christmas. Her recipes and special traditions will be passed down for generations to come.

She is survived by her two sons, Timothy Zimmerman of Lancaster and Brenton Zimmerman of Ephrata. Also surviving are three grandchildren, Andrew (Samantha), Jillian (Travis), John; six great-grandchildren, Theodore, Tyler, Magnolia, Iris, Marlowe, Elliott and one on the way.

Services and Interment will be private and held at the convenience of the family.