Marketing AI Is Where The Fair-Housing Bodies Are Buried

For the past two years, the mortgage industry’s fair-lending debate has focused almost entirely on underwriting: adverse action notices, model explainability, Shapley values, and Regulation B (Reg B) compliance after the April 22, 2026 amendment. Those issues dominate the working groups, webinars, and governance toolkits. Meanwhile, the systems that bring borrowers into the funnel in the first place (e.g., paid social, lookalike modeling, AI-curated lead lists, and programmatic retargeting), operate on platforms the lenders don’t control, under rules the lender marketing teams may never have read, and with audit trails stored on third-party servers. Further, while federal regulators have been litigating these issues with Meta since 2019, the mortgage industry has barely been auditing them for a year.

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