Commercial mortgage debt is financing secured by commercial real estate or used to develop, acquire, improve, or hold it. The right structure follows the property’s stage and repayment plan: construction debt funds work in progress, bridge debt carries a property through lease-up or another transition, and permanent (take-out) debt provides longer-term financing after stabilization. Owner-occupied businesses may also qualify for SBA 504 or 7(a) financing, subject to program rules.
No loan type is automatically cheapest or universally available. Lenders set terms after reviewing the property, borrower, collateral, guarantees, cash flow, and credible source of repayment.
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Commercial mortgage debt in practical terms
Commercial mortgage debt covers loans connected to nonresidential property such as offices, retail buildings, industrial facilities, warehouses, apartments financed as commercial real estate, hotels, and owner-occupied business premises. The debt may fund an acquisition, ground-up development, construction, renovation, rehabilitation, lease-up, or long-term ownership. The FDIC describes commercial real estate lending as credit secured by, or dependent on, commercial real estate and the income it produces.
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Choose the loan by property stage and exit
| Loan type | Best fit | Primary repayment or exit | Key risk to test |
|---|---|---|---|
| Construction or development | Land development or a building being built or substantially renovated | Sale, operating income after completion, or permanent refinancing | Cost, schedule, completion, lease-up, and take-out risk |
| Bridge | Acquired or completed property that needs time to lease, stabilize, or qualify for permanent debt | Sale or permanent financing after stabilization | Short maturity and an exit that may not be ready on time |
| Permanent or take-out | Completed, stabilized property held for the longer term | Property income and eventual maturity payoff or refinance | Long-term cash-flow, covenant, rate, and prepayment terms |
| SBA 504 | Qualifying small business buying, building, or renovating major fixed assets | Business operations under the SBA program structure | Eligibility, required contribution, collateral, and prohibited uses |
| SBA 7(a) | Qualifying small business using a participating lender for eligible real-estate and other business purposes | Business cash flow under SBA and lender requirements | Program size, maturity, collateral, interest, and eligibility rules |
The table is a decision map, not a rate sheet. Current rates, fees, loan-to-value limits, recourse, guarantees, maturities, and prepayment provisions vary by lender and transaction; the official sources do not establish one marketwide standard.
Construction and development loans
How funding is advanced
Construction financing pays for a project as work proceeds rather than advancing the entire amount on day one. The lender evaluates the plans, budget, schedule, contractor and development team, site or existing collateral, required borrower contribution, and the expected source of repayment. Advances are commonly tied to verified progress, so a delay or cost overrun can affect both availability of funds and the project’s ability to finish.
What repays the loan
A construction loan is not self-repaying merely because a building is completed. Repayment may come from selling the finished property, renting it and using net operating income, or replacing the construction loan with permanent financing. The Office of the Comptroller of the Currency (OCC) commercial real estate handbook says prudent underwriting considers the source and timing of repayment and whether projected net operating income supports expected value at completion. A projected refinance or sale is an underwriting assumption, not a guaranteed exit.
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Rehabilitation or repositioning lending differs from new construction because an existing property, tenant base, or operating history may provide information while the borrower changes the asset. The lender still has to judge the scope, budget, timeline, lease disruption, and resulting cash flow. Terms depend on the project and lender; the OCC handbook does not make one set of conditions universal.
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Bridge loans for a transition period
“A bridge loan provides short-term financing to allow newly constructed or acquired commercial properties to reach stabilization.” That is the OCC’s description. Stabilization generally means the property has reached a level of occupancy and income that a buyer or long-term lender can underwrite with greater confidence.
When a bridge can make sense
- An acquired building has vacancies that the owner expects to lease.
- A completed project needs operating history before permanent financing.
- A borrower needs time to execute renovations or repositioning before a sale or refinance.
Term and exit discipline
The OCC says bridge loans are usually written for up to three years. That is supervisory handbook guidance, not a promise that every lender offers a three-year term. The borrower should model the planned sale or take-out date, extension conditions, fees, reserve requirements, and what happens if occupancy or income is below target at maturity.
Bridge debt can solve a timing problem but creates maturity risk: if lease-up is slower, construction costs rise, property values fall, or permanent credit tightens, the borrower may need an extension, additional equity, a different lender, or a sale under pressure.
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“Permanent loans, also referred to as take-outs, are term loans that replace construction loans,” according to the OCC. A take-out commitment can be arranged before or after construction and lease-up, but its reliability depends on the commitment’s conditions and the completed property’s actual performance.
Sources of permanent financing
The OCC identifies banks, nonbank lenders, life insurers, pension funds, and commercial mortgage-backed securities (CMBS) as potential sources. Each channel may approach underwriting, servicing, reserves, covenants, rate structure, and prepayment differently. The existence of a source does not mean it will lend on a particular property or accept the borrower’s projected numbers.
Questions before replacing construction debt
- What occupancy, leases, debt-service coverage, appraisal, environmental work, or other tests must be met?
- Is the commitment binding, and can the lender reduce or cancel it if conditions change?
- What rate, amortization, maturity, reserves, recourse, and prepayment terms appear in the actual documents?
- Would the property still cover debt service if rents, occupancy, or expenses differ from the forecast?
SBA financing for an owner-occupied building
SBA programs are not a general-purpose substitute for every commercial mortgage. Eligibility depends on the business, project, use of proceeds, lender, and current program requirements.
SBA 504: long-term fixed-rate financing for major fixed assets
The SBA’s 504 loan program provides long-term, fixed-rate financing for qualifying major fixed assets. Eligible projects can include purchasing, constructing, or renovating buildings or land for a qualifying business. The program cannot be used for working capital or inventory, and the SBA page excludes speculative or investment rental real estate.
SBA describes a typical project structure with a private-sector lender holding a senior lien for up to 50% of project cost, a Certified Development Company (CDC) loan backed by an SBA-guaranteed debenture for up to 40% with a junior lien, and a borrower contribution of at least 10%. “Typical” matters: the exact percentages, contribution, collateral, and eligibility outcome depend on the project and applicable rules.
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SBA 7(a): participating-lender financing
SBA 7(a) loans are made by participating lenders under SBA requirements; the SBA does not directly make the loan to the business. SBA describes eligible uses that can include acquiring, constructing, or renovating a building, along with other permitted business purposes. Loan size, interest, maturity, collateral, and guaranty requirements depend on the transaction and current SBA rules.
A business considering either program should first establish that it occupies and uses the property in a permitted way, then confirm the current requirements with a participating lender or CDC. An investor seeking purely speculative or passive rental property should not assume an SBA structure applies.
How lenders evaluate a commercial mortgage
Property and cash flow
Underwriting starts with the asset’s condition, location, use, tenants, leases, operating history, construction or renovation budget, and projected net operating income. For a development, the lender also examines completion and lease-up assumptions. For an owner-occupied property, the operating business may be a central repayment source.
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Repayment and exit
Write down the primary repayment source and a backup: operating income, sale proceeds, permanent refinancing, or business cash flow. Then identify the date each source should be available and the consequence of a delay. A credible exit must be supported by realistic assumptions and the loan documents; neither a sale nor refinancing is assured.
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Collateral, contribution, and recourse
Ask what real estate secures the loan, whether additional assets or personal guarantees are required, how much cash the borrower must contribute, and whether recourse changes after completion or stabilization. These features are transaction-specific and should be compared from the written term sheet and final documents, not from a generic category label.
Duration, rates, and flexibility
Compare fixed or floating rate mechanics, interest-only periods, amortization, maturity, extension options, reserves, financial covenants, reporting, prepayment charges, defeasance or yield-maintenance provisions, and default remedies. There is no current universal commercial mortgage rate or standard maturity across the categories described here; obtain a product-specific quote.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.A practical application sequence
- Define the use and stage. State whether the request is for acquisition, construction, rehabilitation, lease-up, or stabilized ownership, and whether the business will occupy the property.
- Map the repayment plan. Prepare a base-case timeline for operating income, sale, or take-out financing and a stress case for delays, lower occupancy, higher costs, or weaker values.
- Assemble project evidence. Organize budgets, schedules, plans, leases or leasing assumptions, operating statements, and information on the borrower and guarantors that support the lender’s analysis.
- Screen program eligibility. For SBA financing, ask a participating lender or CDC to confirm the business, property use, eligible costs, contribution, and prohibited uses before relying on the structure.
- Request comparable written terms. Ask each lender to state amount, rate formula, maturity, amortization, reserves, collateral, recourse, covenants, fees, extensions, and prepayment provisions.
- Test the exit and documents. Have counsel and relevant advisers review conditions to funding, completion tests, take-out commitments, guarantees, and remedies before signing.
Common failure points and ways to reduce them
Assuming the refinance is automatic
A construction or bridge loan can mature before permanent financing is available. Require a documented take-out plan, monitor its conditions, and maintain a contingency if the property misses occupancy, income, appraisal, or timing targets.
Underestimating completion and lease-up risk
Delays, change orders, permitting issues, and slower leasing can consume reserves and reduce projected value. Keep the budget and schedule current and ask how the lender handles additional equity, re-underwriting, or an extension.
Comparing only the headline rate
A lower initial rate may be offset by fees, floating-rate exposure, a shorter maturity, restrictive covenants, required reserves, recourse, or an expensive prepayment provision. Compare the full economic and legal package.
Using an SBA product for an ineligible purpose
SBA 504 cannot fund working capital or inventory and does not finance speculative or investment rental real estate under the stated exclusions. SBA 7(a) also operates within eligibility and lender requirements. Confirm the use of proceeds before committing deposits or a purchase contract.
Questions to put in the term sheet and loan documents
- What events trigger default, cash sweeps, or personal-guarantee enforcement?
- Can the loan be extended, and what tests, fees, and reserves apply?
- How are floating-rate changes, interest-rate caps, and hedging handled?
- What leases, insurance, environmental reports, appraisals, and construction certifications are required?
- Can the borrower sell, refinance, transfer, or prepay, and at what cost?
- If the expected exit fails, how much additional equity or collateral could be required?
Commercial mortgage debt works best when the loan’s maturity and repayment source match the property’s actual stage. Construction debt belongs with a controlled build and credible completion exit; bridge debt buys time to stabilize; permanent debt fits a property whose cash flow can support long-term obligations; and SBA 504 or 7(a) may help an eligible operating business acquire or improve real estate under program-specific rules.
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