"Loan maturity" refers to the date when a loan is due and must be fully repaid. It is the time when the borrower is expected to have paid back the borrowed money, including any interest or fees. Full definition
Interest payments are set to begin in 2020, with principal payments starting in 2025; final loan maturity is expected to occur in 2050. (transportation.gov)
The amount due at loan maturity is the principal borrowed plus any accrued interest and mortgage insurance premium. (reverse.org)
Principal is paid in full at the time of loan maturity. (biggerpockets.com)