Mortgage Navigator • Jumbo / Non-Conforming
Jumbo Debt-to-Income Ratio
There is no single national jumbo DTI cap.
Investor-specific ratios
Maximum DTI can vary by investor, documentation, LTV, score, reserves and other risk characteristics. Avoid treating a lender’s internal cap as a universal jumbo rule.
Full profile matters
Large verified reserves, strong credit, lower leverage and stable income may matter to the investor’s overall risk analysis, but exact treatment is matrix-specific.
Jumbo is investor-specific. Unlike Fannie Mae, Freddie Mac, FHA, VA or USDA, there is no single national jumbo underwriting handbook. Credit score, LTV, DTI, reserves, loan size, property, appraisal and income rules can vary materially by investor and lender. This page explains common underwriting concepts—not a universal approval matrix.
Primary official references
FHFA 2026 Conforming Loan Limits · Fannie Mae Loan Limits · Freddie Mac 2026 Loan Limits · Freddie Mac Super Conforming