The Greenville Heritage Federal Credit Union is a mortgage from Greenville Heritage Federal Credit Union. The ongoing APR is As low as (effective June 1, 2026): 10 Year Financing Index Rate; 15 Year Financing Index Rate; 20 Year Financing Index Rate + 0.15%; 30 Year Financing Index Rate + 0.35%. Loan terms: Fixed-rate; 10, 15, 20, or 30-year terms.