Foreign National Mortgage Rate Calculator

Foreign nationals (non-US-resident, non-US-citizen buyers) cannot qualify for Fannie Mae or Freddie Mac conventional mortgages. Instead they use portfolio Foreign National loans held by the lender, which carry larger down payments (30-40%) and higher rates (typically 1-3% above conventional). This calculator quantifies the lifetime premium so you can plan refinance timing.

Why Foreign National Loans Cost More

Conventional US mortgages require a Social Security number, US credit history, and qualifying income from US sources. Foreign nationals provide none of these, so lenders take on more risk — no US credit bureau to pull, no IRS tax record to verify income, and harder cross-border collection if the loan defaults. Lenders price this risk into a 1-3% rate premium and demand 30-40% down to ensure equity if foreclosure becomes necessary. Loans are kept on portfolio rather than sold to Fannie/Freddie.

Refinance Path to Lower Cost

Most Foreign National borrowers refinance within 3-5 years. Path: (1) Open US bank accounts and credit cards immediately to start building a US credit file. (2) File US tax returns if any US-source income. (3) After 2 years of US credit history, you may qualify for non-QM loans at lower rates. (4) After obtaining a SSN/ITIN and showing 2 years of US tax returns, conventional eligibility opens up via Fannie/Freddie programs. Each step typically cuts the rate by 1-2%, saving tens of thousands over the loan life.

Last updated May 2026. Sources: Fannie Mae Selling Guide.