How do i contact sun west mortgage company? 800-453-7884 Phone calls between you and any representatives of Sun West Mortgage Company, Inc. shall be recorded and monitored for quality assurance and training purposes.What are the hours for sun west mortgage company buena park? Buena Park, CA 90620 Mon 8:00 AM - 5:00 PM Tue 8:00 AM - 5:00 PM Wed 8:00 AM - 5:00 PM Thu 8:00 AM - 5:00 PM Fri 8:00 AM - 5:00 PM Sat Closed Sun Closed Closed now Edit business info Ask the Community Ask a question Yelp users haven’t asked any questions yet about Sun West Mortgage Company. Recommended ReviewsWill sun west record my phone calls? Phone calls between you and any representatives of Sun West Mortgage Company, Inc. shall be recorded and monitored for quality assurance and training purposes.Who is the new custodian of my sunwest trust? Welcome Sunwest Trust Clients! As you were advised, Sunwest Trust has chosen Millennium Trust Company to serve as the new custodian and administrator of your account. We offer the same core custody services for your account as Sunwest Trust.