Lump-Sum Payment Strategy

Mortgage Recast vs. Refinance vs. Extra Principal Calculator

A mortgage recast re-amortizes your remaining loan balance after a lump-sum payment for a tiny administrative fee (~$250) without resetting your loan term or losing your low locked-in interest rate.

Existing Loan & Lump Sum

Current Remaining Balance ($)

Interest Rate (%)

Remaining Term (Years)

Lump Sum Principal Payment ($)

Monthly Cash Flow Impact

New Monthly Payment After Recast

$1,752.18 / mo

Saves $250.31 / month immediately with zero credit check.

Original Payment $2,002.49

Typical Recast Fee $250.00

💡 Recast vs Refinance: Refinancing costs $5,000–$8,000 in closing costs and forces you into today's higher interest rate. Recasting preserves your low 3.5% rate forever while lowering your monthly required payment.