ITIN mortgages are a niche lending product that helps immigrants without Social Security numbers buy homes. Even though ITIN mortgages make up only 0.1% of total home loans, this guidance marks a significant ramp-up in regulatory focus. The Trump administration's executive order in May 2026 set the stage, directing regulators to prioritize enforcement against unauthorized immigrants' use of financial services.
Three federal agencies - the OCC, FDIC, and NCUA - jointly issued the new guidance. The guidance urges banks to review loans to immigrants who lack work authorization more carefully.
Jonathan Gould, the Comptroller of the Currency, said: "Banks have an obligation to know their customer. That's a pre-existing obligation." The guidance builds on that existing rule.
According to a recent analysis by Troutman Pepper Locke, the May executive order does not require financial institutions to verify every customer's immigration status; rather, it promotes a risk-based strategy and instructs regulators to take specific supervisory steps.
Get the market news that matters in a five-minute read with Market Briefs, our free daily newsletter
ITINs are tax-processing numbers issued by the IRS to individuals who need to file federal taxes but are ineligible for a Social Security number. Many undocumented immigrants use ITINs to comply with tax laws while still lacking formal work permission. Despite their small volume, these mortgages have become a flashpoint in debates over immigration and financial inclusion. ITINs have been available since 1996, and some community banks and credit unions have offered these loans as a way to serve immigrant populations, often requiring larger down payments and higher interest rates to offset perceived risk.
The regulators' advice warns that borrowers without work authorization pose a heightened credit risk, citing the "ability to generate income, maintain employment, and remain financially stable may be subject to greater uncertainty."
The executive order instructed regulators to take tougher action against unauthorized immigrants' access to the financial system.
An ITIN is a tax identification number often used by immigrants who do not have a Social Security number.
Opponents argue that the federal guidance may discourage immigrants - including those legally authorized to work - from using banks, while also increasing banks' compliance expenses. They also warn that it could drive funds out of the regulated banking system, raising the likelihood of fraud and abuse.
The push to tighten oversight reflects a broader debate about balancing financial system integrity with immigrant access to credit. Community banks that have offered ITIN mortgages may now face added regulatory burdens, potentially reducing the availability of these loans for undocumented borrowers who have long relied on them to build home equity and participate in the tax system.
Join Market Briefs, our free daily newsletter, for a quick daily rundown of the markets