$200,000 Mortgage Recast Calculator: Jumbo & High-Equity Recast Model
Calculate how much a $200,000 lump-sum mortgage recast lowers your monthly payment, adjusts IRS Schedule A ($750k cap) tax drag, and saves lifetime interest.
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Verified Baseline Answer • Fannie Mae Servicing Guide F-1-05 & CFPB TILA Reg Z
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Under Fannie Mae Servicing Guide F-1-05 & CFPB TILA Reg Z, applying a $200,000 lump-sum principal recast to a $650,000 mortgage at 6.25% with JPMorgan Chase Bank, N.A. reduces your required monthly P&I payment by $1,261.96/mo (from $4,101.37 to $2,839.41) and saves $224,018.56 in lifetime interest using M = P[r(1+r)^n]/[(1+r)^n-1] over 336 remaining months.
How much does a $200,000 mortgage recast lower my monthly payment on a $650,000 loan at 6.25%?
Applying a $200,000 principal curtailment and formal re-amortization on a $650,000 balance at 6.25% over 336 remaining months lowers your required monthly P&I payment by $1,261.96/mo (dropping from $4,101.37 to $2,839.41) while saving $224,018.56 in cumulative interest.
What is the JPMorgan Chase Bank, N.A. mortgage recast fee and minimum lump-sum requirement?
Under Fannie Mae Servicing Guide F-1-05, JPMorgan Chase Bank, N.A. charges a $0 administrative recast fee with no credit check, no home appraisal, and no change to your 6.25% interest rate. Minimum lump-sum thresholds range from $5,000 (Chase, Bank of America, Wells Fargo, PennyMac, U.S. Bank, Citi) to $10,000 (Rocket Mortgage, Mr. Cooper).
Is it better to recast a mortgage or make extra principal payments without recasting?
Extra principal payments alone shorten your payoff date but leave your required monthly obligation unchanged at $4,101.37. A formal mortgage recast re-indexes the remaining principal (450,000 USD) across your remaining 336-month term, legally reducing your mandatory monthly payment to $2,839.41.
Lock -$1,261.96/mo Required Payment Drop ($224,019 Saved) or Pay Off 14.3 Yrs Early ($509,058 Saved)
Recasting with JPMorgan Chase Bank, N.A. ($0 fee) lowers your mandatory contractual payment from $4,101.37/mo to $2,839.41/mo. Pro Hybrid Strategy: Execute the F-1-05 recast first to lock the -$1,261.96/mo safety floor, then voluntarily pay $4,101.37/mo in strong cash-flow months to retire the loan 172 months early and save $509,058 in total interest.
