Castle Steinbach offers lower mortgage rate options to strong applicants. Castle Steinbach does not charge clients to source lower interest rate options. What We Do No Matter Where Your Mortgage Is Today, We Want to Help You Know More. Save Money. Have you ever thought, “What are my mortgage options?” or, “I feel like my Bank is only giving me half the story?” At Castle Mortgage Group Steinbach we provide unmatched service, unparalleled education and unbiased expertise in the area No Matter Where Your Mortgage Is Today, We Want to Help You Know More. Save Money.