This comprehensive dataset offers an in-depth look at the evolving landscape of conventional single-family nonfarm mortgage financing from 1963 to 2018. It provides a historical perspective on various key metrics such as interest rates, fees and charges, average loan terms, and mortgage amounts. The data also delves into the ratio of loan types, including the prevalence of adjustable-rate mortgages over the years. This analysis is crucial for understanding the trends and shifts in mortgage financing practices, offering valuable insights for financial analysts, economists, real estate professionals, and policy makers. Whether for academic research or industry analysis, this dataset serves as a rich resource for exploring the dynamics of the housing finance market over more than five decades.