The Tidemark Federal Credit Union is a mortgage from Tidemark Federal Credit Union. The ongoing APR is 10/1 Conforming ARM 7.625% (APR 7.722%); 30 Year Fixed 7.375% (APR 7.471%); loan to value up to 80% (rates as of October 17, 2026). Loan terms: 12-month construction period with interest-only payments.