Written by Fernando Martin| September 28, 2018
5 Reasons Your Commercial Mortgage Rate Could Go Up Before Closing
Getting a commercial mortgage quote is an important first step, but many borrowers do not realize that an initial rate is not always guaranteed until the loan is officially locked and all lender conditions are satisfied. In commercial real estate finance, a rate can move between application and closing for several reasons, including market changes, underwriting updates, and property performance issues.
If you are shopping for commercial loans or reviewing current commercial loan rates, it helps to understand what can cause pricing to change. Below are five common reasons your commercial mortgage rate could go up before closing, along with practical steps you can take to reduce that risk.
1. Treasury Yields or Capital Markets Move Higher
One of the most common reasons for a higher rate is a shift in the broader interest rate market. Many commercial mortgage programs are priced off an underlying benchmark such as Treasury yields, swaps, or bond market spreads. If those benchmarks rise before your loan is locked, your lender’s quote may also increase.
This is especially true for Conduit / CMBS, Conventional Mortgages, and Insurance Mortgages, where capital market execution plays a major role in final pricing. Even a modest market move can impact your debt service and overall loan proceeds.
How to reduce this risk
- Ask whether your rate is quoted as floating or locked.
- Understand the lender’s rate lock process and timing.
- Monitor interest rate trends during underwriting.
- Move quickly when a favorable rate is available.
2. The Loan Does Not Lock When You Expected
Many borrowers assume that once they receive a term sheet, the interest rate is protected. In reality, most quotes are indicative until the lender issues a formal lock confirmation. If there is a delay in third-party reports, legal review, borrower documentation, or lender committee approval, the lock may happen later than expected. If the market has worsened by then, the rate may increase.
Some programs offer an early lock, while others require completion of underwriting milestones before locking. For example, agency multifamily and certain permanent loan executions may have specific lock windows and conditions tied to appraisal, environmental, and sponsor review.
Common causes of lock delays
- Late delivery of borrower financial statements or rent rolls
- Appraisal or environmental report revisions
- Title or legal issues
- Changes to loan structure during underwriting
- Slow responses from ownership entities or guarantors
The best defense is to submit a complete, accurate package and stay responsive throughout the process.
3. Property Cash Flow Comes in Lower Than Expected
Commercial lenders underwrite the property’s actual and stabilized income, not just the borrower’s expectations. If the lender determines that the net operating income is lower than originally presented, the deal may be viewed as riskier. That can lead to a higher rate, lower proceeds, or both.
For income-producing properties, debt service coverage ratio is one of the key pricing and approval metrics. If expenses are higher than expected, rents are weaker, or vacancy is elevated, the loan may no longer fit the original quote.
Borrowers can use a NOI Calculator and a DSCR Calculator to evaluate whether a property supports the requested financing before applying.
Examples of underwriting adjustments that may affect rate
- Annualizing below-market occupancy
- Normalizing management or repair expenses
- Excluding non-recurring income
- Reducing credit for short-term lease income
- Applying more conservative vacancy assumptions
When a property’s income profile weakens in underwriting, lenders may increase spread to compensate for perceived risk.
4. Appraisal, LTV, or Property Condition Issues Change the Risk Profile
A commercial mortgage quote is often based on a projected loan-to-value ratio and an assumed property quality. If the appraisal comes in low, deferred maintenance is identified, or the property condition is weaker than presented, the lender may revise pricing.
A higher-than-expected LTV usually means more risk to the lender. Some lenders will reduce the loan amount to stay within program limits, while others may increase the interest rate or require additional reserves. A low appraisal can also trigger structural changes such as more recourse, cash management, or repair escrows.
Before applying, borrowers can estimate leverage with an LTV Calculator and compare financing scenarios using the Commercial Mortgage Calculator.
Property issues that can influence pricing
- Deferred repairs or capital needs
- Functional obsolescence
- Tenant rollover concentration
- Environmental concerns
- Marketability issues tied to location or use
This is particularly important for specialized assets and transitional properties that may be better suited for Bridge financing than a conventional permanent loan.
5. Borrower or Deal Changes Occur During Underwriting
Another common reason for a rate increase is a material change in the borrower, guarantor, or transaction structure. Commercial mortgage pricing is based not only on the property, but also on sponsorship strength, liquidity, experience, and the final details of the deal.
If the borrowing entity changes, cash-out increases, ownership percentages shift, or a guarantor’s liquidity weakens, the lender may reprice the loan. Even a seemingly small change, such as adding a subordinate financing component or revising the amortization request, can affect execution.
Changes that may trigger repricing
- Reduced post-closing liquidity
- New credit issues or undisclosed liabilities
- Changes in purchase price or borrower equity
- Requests for interest-only periods not in the original quote
- Alterations to tenancy, lease terms, or property use
How Borrowers Can Protect Their Commercial Mortgage Rate
While no borrower can control the market, there are several ways to improve the odds of closing at the expected rate:
- Submit complete and accurate financials from the start.
- Disclose property issues, vacancies, and upcoming lease rollover early.
- Ask exactly when the rate can be locked and what conditions must be met.
- Respond quickly to underwriting requests.
- Avoid major changes to ownership, guarantors, or loan structure after application.
- Choose the right loan program for the property’s current condition and business plan.
Different loan categories have different lock procedures and pricing sensitivities. For example, stabilized multifamily may fit Fannie Mae or Freddie Mac execution, while transitional assets may require Bridge financing. Properties needing heavy improvements may be better served by Construction or renovation-oriented structures.
Final Thoughts
A commercial mortgage rate can go up before closing even when a transaction starts with a strong quote. Market volatility, delayed rate lock, weaker property performance, appraisal issues, and borrower changes are among the most common causes. The good news is that many of these risks can be reduced with strong preparation, fast execution, and the right lending strategy.
