Name: Graystone Mortgage. Descripton:Graystone Mortgage was established in 1997. We are an in-house lender who is committed to our clients and to their goal of buying a home. We are one of Utah's best lenders! Graystone is academically defined as a "Mortgage Banker," with headquarters in Salt Lake City, Utah. The company specializes in residential mortgage lending, with product emphasis on loans insured by the Federal Housing Administration (FHA), guaranteed by the Veterans Administration (VA), or "salable" to the Federal National Mortgage Association (FNMA) or Federal Home Loan Mortgage Corporation (FHLMC).