Lender Overlays

Updated 2026-05-17

Lender overlays are additional requirements imposed by individual mortgage lenders beyond the minimum standards set by federal agencies (such as the Department of Veterans Affairs (VA) for VA loans or the Federal Housing Administration (FHA) for FHA loans) or state regulations. These overlays are a common practice in the mortgage industry and are used by lenders to manage risk, align with their business models, or compensate for perceived weaknesses in broader guidelines.

For example, while some states may not have mandatory radon testing requirements, a specific lender might implement an overlay that requires radon testing for all loans they originate in certain areas, or for all VA Loan Entitlement, Certificate of Eligibility (COE), and Loan Guaranty Certificate (LGC) regardless of state law. This is a direct example of how Lender Overlays can impact Radon Gas Requirements.

Common areas where lender overlays are applied include:

• Credit Scores: Lenders may require higher minimum credit scores than those set by government-backed loan programs.
• Debt-to-Income (DTI) Ratios: Stricter DTI limits may be imposed.
• Reserves: Lenders might require borrowers to have more cash reserves after closing than the program minimums.
• Property Condition: Additional inspections or environmental hazard assessments (like radon testing) may be mandated.
• Loan-to-Value (LTV) Ratios: Lower maximum LTVs might be set for certain property types or risk profiles.

MLOs must be aware of lender overlays because they can significantly affect a borrower's eligibility and the overall loan process, even if the borrower meets the basic federal or state requirements.

References

1. 2026 VA Radon Testing: Required? Mitigation Costs Explained — valoannetwork.com