Conforming Loan ALL0-9ABCDEFGHIJKLMNOPQRSTUVWXYZ A mortgage loan amount under the maximum amount of loans that FNMA and FHLMC are legally allowed to buy. Maximum loan amount varies by county. Related Articles: Down Payment AssistanceFHFA Announces Conforming Loan Limits for 2024How Do Down Payment & Closing Cost Assistance Programs Work?High Balance & JumboFHFA Announces Conforming Loan Limits for 2023