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Mortgage Jumbo Loan Calculator

Jumbo loans (above $806,500 base 2025 conforming) typically carry rate premium and tighter qualification.

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Monthly P&I

$7,318

Total interest

$1,534,598

Premium lifetime cost

$131,609

How the math works

Standard mortgage payment formula. Premium lifetime cost = (jumbo − conforming) × 360.

$1.1M 7% 30y = $7,317/mo. Premium 0.5% = $370/mo × 360 = $133,200 lifetime extra.

How to Use

  1. Enter loan amount.
  2. Enter rate %.
  3. Enter term years.
  4. Enter down payment %.
  5. Enter rate premium vs conforming %.
  6. Read monthly p&i.

Frequently Asked Questions

Jumbo vs conforming?

2025 conforming limit: $806,500 (most areas), $1,209,750 (high-cost). Jumbo above: 0.25–0.75% rate premium typical, sometimes flipped (jumbo cheaper than conforming) in tight market. Down: 10–25% typical (sometimes 5% with high credit), portfolio lender. Reserves: 6–12 months PITI typical. Asset-depletion qualification available for high-net-worth. Super-jumbo $3M+: relationship pricing through private banking arm. PMI: usually not available on jumbo, hence higher down payment requirement.

How does this debt analysis fit a workout strategy?

Workout, default, and recapitalization decisions depend on the gap between in-place debt and current asset value. Lenders evaluate cure cost, foreclosure timeline + cost, broker price opinion (BPO), and borrower equity. Borrowers evaluate equity in the property, refinance feasibility, and forbearance economics. This calculator provides one input to that multi-factor decision.

Discounted payoff (DPO) vs forbearance vs deed in lieu?

DPO: lender accepts less than full balance to avoid foreclosure cost, common with non-recourse and underwater assets. Forbearance: payment deferral 6–18 months, balance accrues, useful when value will recover. Deed in lieu: borrower transfers title to lender, faster than foreclosure but lender takes full risk. DPO often best when borrower has new capital + lender wants quick exit.

Special servicing dynamics?

CMBS loans transfer to special servicer at default or maturity default. Special servicer compensation aligns with workout, but timeline is 6–24 months and fees stack ($25–250k+ in costs). Whole-loan and balance-sheet lenders move faster but with less flexibility. Bridge and debt fund lenders most flexible. Time-to-resolution and total friction cost should be weighted in any borrower scenario.

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