What concretely changes at 640
- 640 steps into the next LLPA tier (640–659), pricing improves meaningfully over the 620–639 band.
- PMI costs drop versus 620; the FHA-vs-conventional crossover moves in conventional’s favor, especially at 5–10% down.
- Down payment assistance pairing opens: many DPA programs (Hometown Heroes, Georgia Dream, CHFA) set 640 minimums and pair with conventional first mortgages.
- Lender overlays effectively vanish, you are shopping the whole market.
Requirements at this band
| Minimum score | 640 |
|---|---|
| LLPA tier | 640–659: improved over 620–639 |
| PMI | Cheaper than at 620; droppable at 80% LTV |
| DPA | Major state programs accessible |
| DTI | Up to 50% with automated approval |
Figures are typical market ranges as of October 2026. Actual terms depend on the lender, your credit, the property and the program, and are confirmed on your Loan Estimate or term sheet.
Smart moves at 640
- At 640 with 5%+ down, conventional deserves to win the comparison more often than not.
- Pair conventional with DPA for low-cash-to-close without FHA’s lifetime MIP.
- If you are close to 660–680, ask what the next tier saves, it is often worth weeks, not months.
FAQ
How much better is 640 than 620 for conventional?
The LLPA step from 620–639 to 640–659 is one of the larger pricing improvements in the grid, often 0.25–0.5% in fee-equivalent, plus cheaper PMI.
Can I avoid PMI at 640?
With 20% down, yes. With 10% down, consider 80/10/10 piggyback structures to sidestep monthly PMI.
Does 640 get the best conventional rates?
No, pricing keeps improving through 680, 700, 720, and 740+. But 640 is where conventional becomes genuinely competitive for most buyers.
