Summary answer: Most lenders want your total debt-to-income (DTI) ratio at or below 43%-45% for a conventional loan in Chantilly, though strong compensating factors can push that higher. VA loans can go higher still, using a residual-income approach.
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Front-end vs. back-end DTI
| DTI Type | What It Measures | Typical Max |
|---|---|---|
| Front-end | Housing payment only ÷ gross income | 28%-31% |
| Back-end | All debt ÷ gross income | 43%-45% (conventional); higher for VA |
Why understanding your exact DTI room matters here
Given Chantilly's genuinely high price floor and median household income running $155,000-$171,000, most buyers need substantial income to comfortably clear this threshold.
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