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Wraparound Mortgage Calculator

Calculate seller spread and yield on a wraparound mortgage. Seller keeps the existing low-rate loan and wraps a new note.

📍 Property Address (optional)
✓ Saved
InputsShared
Existing Mortgage
Existing Loan Balance
$
Existing Rate %
%
Existing Payment/mo
$
Wraparound Note Terms
Wrap Note Amount
$
Wrap Rate %
%
Amort Term (years)
Pro Forma — Different Wrap Rate
Pro Forma Wrap Rate %
%
Balloon (years)
yrs
As-IsCurrent
Enter values to see results
Wrap Note Payment
—
buyer pays
Monthly Spread
—
seller earns
Seller Yield
—
on invested equity
Seller Net/mo
—
after paying existing
Wraparound Structure
Wrap Note Amount—
Buyer's Payment—
Existing Mortgage—
Seller Spread—
Down Payment—
Yield Analysis
Seller's Equity—
Seller's Yield on Equity—
Annual Spread Income—
Pro FormaAfter plan
Enter values to see results
PF Wrap Payment
—
PF Spread
—
/mo
PF Seller Yield
—
Balloon Balance
—
at 5 yrs
Pro Forma Wrap
Wrap Rate—
Buyer Payment—
Seller Spread—
Seller Yield—
Rate Spread Analysis
Rate Spread (wrap−existing)—
Interest Rate Arbitrage—
Key Risks—