Bridge-to-Permanent Refinancing: Mitigating Exit Underwriting Risk
Model a bridge refinance using income, DY, DSCR, LTV, payoff and costs, with a clear funding-gap calculation.
To assess a bridge-to-permanent refinance, estimate the new loan under the applicable income and collateral tests, then compare net available proceeds with the bridge payoff and transaction costs. A stabilized property can still have a funding gap. Neither a projected debt yield nor an extension assumption guarantees an exit.
Build a dated exit model
- Identify the maturity date, expected balance and any future advances or repayments.
- Reconcile supported income at the refinance date, with a separate downside scenario.
- Obtain the prospective lender's rate, amortization, income definition and quoted tests.
- Calculate the lowest applicable loan limit.
- Reconcile net funding with payoff, fees, reserves and other cash requirements.
The exit debt-yield guide explains the ratio and balance choices. This page focuses on turning the result into a refinancing budget.
A hypothetical funding gap
Assume a $12 million payoff and $1.1 million of accepted annual income. At a hypothetical 10% DY target, the DY-only limit is $11 million. If no other limit is lower, the difference before costs is $1 million.
| Illustrative closing budget | Amount |
|---|---|
| Bridge payoff | $12,000,000 |
| Assumed refinance costs and new reserves | $200,000 |
| Total cash requirement | $12,200,000 |
| Modeled new loan | ($11,000,000) |
| Remaining funding need | $1,200,000 |
Take-Out Refinance Sensitivity Matrix (Exit Debt Yield vs. Cash Shortfall)
Assume a $12,000,000 maturing bridge loan payoff on a stabilized property with $1,100,000 underwritten Net Operating Income:
| Take-Out Exit Debt Yield Hurdle | Maximum Permanent Loan Sized | Bridge Payoff Due | Gross Refinance Gap | Estimated Closing Costs & Reserves | Total Equity Cash-In Required |
|---|---|---|---|---|---|
| 8.50% Exit DY (Aggressive Agency) | $12,941,176 | $12,000,000 | +$941,176 (Cash-Out) | -$200,000 | +$741,176 Net Cash to Sponsor |
| 9.00% Exit DY (Standard Bank/Agency) | $12,222,222 | $12,000,000 | +$222,222 (Full Payoff) | -$200,000 | +$22,222 Cash Cushion |
| 9.50% Exit DY (Conservative Conduit) | $11,578,947 | $12,000,000 | -$421,053 (Deficit) | -$200,000 | -$621,053 Cash-In Required |
| 10.00% Exit DY (CMBS Stress Floor) | $11,000,000 | $12,000,000 | -$1,000,000 (Deficit) | -$200,000 | -$1,200,000 Cash-In Required |
| 10.50% Exit DY (Elevated Rate Stress) | $10,476,190 | $12,000,000 | -$1,523,810 (Deficit) | -$200,000 | -$1,723,810 Cash-In Required |
As demonstrated above, a 150 bps widening in take-out debt yield hurdles (from 8.5% to 10.0%) transforms an exit refinance from a +$741K cash-out into a -$1.2M cash-in capital call. Model take-out scenarios across debt yield, DSCR, and LTV using the CRE Loan Sizing Calculator.
The costs and target are teaching assumptions. A lower DSCR or LTV limit, a payoff premium or additional reserves could increase the gap. A proposed capital contribution is not the same as committed funding.
Stress the tests separately
- Lower income affects DY- and DSCR-supported proceeds.
- A higher rate or shorter amortization increases the payment constant and can lower the DSCR limit.
- A lower valuation reduces an LTV-based limit.
- A later closing can change payoff, fees and the availability of financing.
A rising note rate does not mechanically change debt yield. Model that rate effect through debt service unless the lender separately changes its quoted DY target.
The OCC refinance-risk guidance calls for considering refinance needs, timing, market conditions and cost. The scenario above is our own example, not a prescribed regulatory model.
Verify any extension or alternative exit
Record extension deadlines, fees, performance tests and other conditions. An extension option may be conditional; additional time does not itself fix insufficient income. Evaluate any alternative financing or sale using its own costs and terms rather than assuming an inevitable default or a guaranteed rescue.
Use the loan-sizing workbook, agency guide and underwriting checklist. Confirm amortizing versus IO treatment under the actual program and documents.
Ready to run the numbers?
Get your result instantly — private, in your browser.