secondarymortgage.comDoc-Type Requirements
Documentation type is not optional—it is triggered by income type, loan-to-value, and credit profile—plan accordingly.
Full documentation underwriting applies when the borrower has verifiable W-2 or salary-based income, meets credit thresholds, and seeks standard loan-to-value ratios. Anything outside this narrow band triggers alternative doc paths: self-employed borrowers, irregular income, or high-LTV loans often require bank statement or asset depletion underwriting. The trigger logic is deterministic, not discretionary.
Bank statement underwriting typically activates when income cannot be fully verified through traditional tax transcripts and paystubs—common for gig workers, commission-based earners, or those with gaps in employment. Investors may require 12 to 24 months of personal or business bank statements to calculate average monthly cash flow. Some private-label pools exclude borrowers with irregular deposits without clear income linkage.
Asset-based underwriting is usually a fallback when income documentation is incomplete or insufficient to support the requested loan amount. It evaluates liquid assets—savings, investments, retirement—against a depletion assumption over the loan term. This path often carries higher pricing and stricter minimum asset reserves, and many agencies do not accept asset-depleted loans at all. Avoid routing here unless all doc-based paths fail.
