Guardian Mortgage, a division of Sunflower Bank Guardian Mortgage, a division of Sunflower Bank Search | Advanced Search | New Members | Coupons and Discounts | All Categories Other >> Mortgage Services >> Independent Mortgage Company Guardian Mortgage, a division of Sunflower Bank 2701 DALLAS PKWY STE 180STE 180PLANO, TX 75093 (972) 366-2249 Visit Site Connect With Us