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Our History

Keystone Mortgage has been providing superior customer service to homeowners ever since incorporating in Sioux Falls in 1993. With over $60 million in funding each year, Keystone provides not only the very best loan options available to homeowners, but we also provide superior knowledge gained through years of experience. Keystone's focus is to educate you on the latest financing options, allowing you to discover the loan programs you never knew possible. All of our Loan Officers, Processing Staff, and Management are in Sioux Falls, conveniently located on 1800 S. Summit Ave.

Lower Mortgage Costs Through Cutting-edge Mortgage Origination Technology

Our customers save money and close their loans quickly because we employ the most advanced mortgage technology available. In a rush? We welcome you to try our mortgage calculators! The Internet, advanced mortgage processing software, and automated mortgage underwriting systems are coordinated to speed the mortgage process and deliver the best rate and terms. All of this combined with years perfecting what we do make Keystone the very best place to obtain home financing.

Highest Quality Mortgage Services

From mortgage processing and underwriting, to loan closing and funding, our expert mortgage staff will efficiently expedite your entire transaction. We'll keep you informed every step of the way. We're committed to building rewarding, long-term customer relationships. With that in mind, you'll always receive the highest quality mortgage services. It's no wonder why our previous clients rate our customer service highest on their list of reasons why they refer their friends to Keystone.

Meeting Every Challenge

We rapidly respond to new opportunities made available in today's dynamic mortgage markets. Our management is continually travelling the country to keep abreast of the latest trends and regulations. As a result, the requirements of our mortgage customers are consistently met through mortgage underwriting flexibility and delivery of unique mortgage programs. We often identify niche mortgage programs that are essential to satisfying individual mortgage customer needs. Every loan officer at Keystone is encouraged to be actively involved with education through the National Association of Mortgage Brokers.