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A commercial real estate (CRE) loan is financing used to buy, build, renovate, refinance, or otherwise fund property used for business or income production. The lender underwrites two things at once: the borrower’s ability to repay and the property’s value and cash flow. The loan is secured by commercial real estate and governed by a note, mortgage or deed of trust, guarantees, and other closing documents.
Unlike a personal home mortgage, a CRE loan is shaped by the property type, lease income, operating expenses, project plan, borrower equity, market conditions, and the lender’s risk policies. The payment schedule may run for many years while the contractual maturity arrives sooner, potentially leaving a balloon balance that must be paid, refinanced, or renewed.
What a commercial real estate loan finances
Commercial real estate lending covers property and projects intended for business use rather than personal housing. Common uses include:
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- Acquisition: purchasing an office, retail center, industrial building, apartment property, hotel, medical facility, or other commercial asset.
- Refinancing: replacing an existing mortgage, changing the maturity or rate structure, or releasing equity when the transaction supports it.
- Renovation and improvement: funding tenant improvements, building systems, accessibility work, energy upgrades, or a substantial repositioning.
- Development and construction: buying land and paying for construction, professional fees, contingencies, and other approved project costs.
- Owner-occupied real estate: financing a building where the borrower’s operating business conducts a substantial part of its activities.
- Income-producing investment property: financing an asset whose rents or other operating income are expected to service the debt.
Those purposes are not interchangeable. A stabilized building with signed leases presents a different risk from vacant land, a construction project, or a property occupied by the borrower’s own business. Lenders therefore request different projections, reports, equity contributions, reserves, and controls for each transaction.
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A CRE loan is not the same as a personal residential mortgage. Residential underwriting often centers on an individual’s household income and a standardized property appraisal. Commercial underwriting normally analyzes property-level income, expenses, leases, tenants, market conditions, operating history, and the borrower’s broader financial position.
How the loan works from application to payoff
The following sequence describes the usual borrower experience. Exact steps and documents vary by lender, property, jurisdiction, and loan purpose.
- Define the transaction. Identify the property or project, purchase price or budget, intended use, requested loan amount, desired maturity, and available equity. For a refinance, assemble the existing loan balance, payoff terms, and reason for replacing it.
- Choose a suitable lender or channel. Banks, credit unions, insurance companies, debt funds, and government-backed channels may serve different property types and transaction sizes. Ask whether the lender finances owner-occupied property, investment property, construction, or the specific asset class involved.
- Submit an initial package. A lender commonly requests a loan application, borrower and guarantor financial statements, tax returns, organizational documents, a purchase contract or project budget, rent roll, leases, operating statements, and information about existing debt.
- Complete property and market diligence. The lender orders or reviews an appraisal and may require environmental, engineering, property-condition, title, survey, zoning, insurance, flood, and other reports. For construction, the package can include plans, permits, contractor information, draw procedures, and feasibility studies.
- Underwriting and credit decision. Analysts test historical and projected cash flow, collateral value, leverage, debt service, tenant and market risks, sponsor liquidity, and repayment sources. Sensitivity analysis may model lower occupancy, higher expenses, weaker rents, construction delays, or changing interest rates.
- Receive and negotiate a term sheet. Review the proposed amount, rate, maturity, amortization, fees, reserves, collateral, guarantees, covenants, prepayment rules, closing conditions, and any balloon balance. A term sheet is not the final loan contract.
- Close the loan. After conditions are satisfied, the borrower signs the note, mortgage or deed of trust, security agreements, guarantees, assignments, and other documents. Closing may require funded equity, insurance, reserves, entity certificates, and evidence that title and diligence issues are resolved.
- Manage the loan after closing. Make payments, maintain insurance and the property, provide financial or rent-roll reporting, comply with covenants, and obtain consent for actions such as additional debt, major leases, transfers, or construction changes. Construction loans also require inspections and draw requests.
- Reach maturity or pay off early. At maturity, the remaining principal is due under the contract. The borrower may repay from cash or a sale, refinance with a new lender, or request a renewal if the lender agrees. A prepayment may trigger a fee or other contractual conditions.
What commercial lenders evaluate
The borrower and guarantors
Lenders review the people and entities responsible for repayment, not only the building. Common considerations include net worth, liquid assets, credit history, contingent liabilities, existing obligations, relevant ownership and management experience, and global cash flow across the sponsor’s businesses and properties. A lender may require personal or corporate guarantees, especially when the property’s cash flow is new, volatile, or insufficient on its own.
Equity matters because it absorbs losses before the lender’s collateral is impaired. The lender may verify the source of equity, whether funds are borrowed, and whether the borrower will retain adequate liquidity after closing. A strong balance sheet does not eliminate property risk, and a valuable property does not automatically offset weak repayment support.
The property’s income and expenses
For an income-producing asset, underwriting starts with operating revenue and subtracts appropriate operating expenses to derive net operating income (NOI). Revenue may include base rent, reimbursements, parking, storage, or other approved sources. Expenses can include maintenance, utilities, management, taxes, insurance, payroll, and reserves, depending on the asset and the lender’s conventions. NOI is generally measured before debt service and certain ownership-level costs, so borrowers should confirm exactly which items the lender includes.
Analysts examine occupancy, lease expirations, tenant concentration, rent concessions, collection history, renewal assumptions, and the financial strength of major tenants. They may underwrite existing leases differently from projected leases or market rents. A property with one dominant tenant, near-term vacancies, deferred maintenance, or unusually optimistic projections may receive more conservative assumptions.
Collateral, value, and market risk
The lender orders or reviews a valuation to estimate the property’s value for the proposed use. Location, comparable sales, replacement cost, capitalization assumptions, zoning, physical condition, environmental issues, access, and legal title can affect that conclusion. The lender also considers market supply, demand, interest-rate sensitivity, local employment, competing properties, and exit liquidity.
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Development and construction loans add entitlement, budget, contractor, schedule, cost-overrun, completion, and lease-up risk. A lender may require contingency funds, completion guarantees, inspections, controlled draws, and evidence of permits before advancing money.
Three ratios that describe different risks
Ratios help a lender compare cash flow, debt, and collateral, but no single ratio determines approval. Definitions and required levels vary by property, market, loan structure, and lender policy.
| Measure | Formula | What it indicates | Illustrative calculation |
|---|---|---|---|
| Debt-service coverage ratio (DSCR) | NOI ÷ annual debt service | How much property cash flow remains relative to scheduled principal and interest | If NOI is $240,000 and annual debt service is $200,000, DSCR is 1.20x |
| Loan-to-value (LTV) | Loan amount ÷ lender-determined property value | Leverage and the collateral cushion before a value decline could impair recovery | A $3 million loan against a $5 million value produces 60% LTV |
| Debt yield | NOI ÷ loan amount | Property income relative to the outstanding loan, without directly using the interest rate or amortization period | $240,000 NOI divided by a $3 million loan equals an 8% debt yield |
These figures answer different questions. DSCR changes when interest rates, amortization, or loan structure changes because those factors affect annual debt service. LTV changes when the loan amount or appraised value changes. Debt yield focuses on NOI and loan amount; the Office of the Comptroller of the Currency (OCC) explains that it is independent of interest rate, amortization, and capitalization rate, but it must still be considered alongside prudent DSCR, LTV, and other underwriting factors. Do not treat any one percentage as a universal market cutoff.
For example, a property can have acceptable LTV but weak DSCR if its income is low, or strong DSCR based on unusually high current income but a high LTV that leaves little value cushion. A lender may stress each ratio using lower occupancy, higher expenses, a higher interest rate, or a different valuation assumption.
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Interest, amortization, maturity, and the balloon balance
Fixed and variable rates
A fixed-rate loan keeps the contractual interest rate unchanged for the stated fixed period or entire term. A variable-rate loan resets according to its index, spread, floor, cap, and reset schedule. When the rate changes, the payment can change, the maturity balance can change, or both, depending on the note. Ask for the index, margin, reset dates, caps, floors, and the rate used in underwriting.
Amortization is not the same as maturity
Amortization is the schedule used to calculate each principal-and-interest payment. Maturity is the date when the debt becomes due under the contract. A loan can be amortized over a longer period than its maturity. The scheduled payments then reduce principal for only part of the amortization schedule, leaving a remaining balance at maturity.
That remaining amount is often called a balloon balance. The borrower must plan for a sale, cash payoff, refinance, or negotiated renewal. Refinancing is not guaranteed: property value, income, interest rates, lender policy, and the borrower’s finances may all be different at maturity. Compare the scheduled payment with the projected maturity balance rather than looking only at the starting rate.
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Other contract terms to examine
- Recourse and guarantees: determine when the lender can pursue the borrower or guarantors beyond the real estate collateral, subject to negotiated carve-outs and applicable law.
- Covenants: may require minimum DSCR, maximum LTV, reporting, insurance, reserves, or restrictions on distributions and additional debt.
- Reserves and escrows: can cover taxes, insurance, replacements, tenant improvements, leasing commissions, interest during construction, or unexpected repairs.
- Prepayment provisions: may include a premium, defeasance, yield maintenance, a lockout period, or permitted-payoff windows.
- Fees: can include origination, underwriting, legal, appraisal, environmental, inspection, servicing, extension, construction-monitoring, and other transaction charges.
Loan purposes require different underwriting
Acquisition of a stabilized property
The lender can analyze historical operating statements, current leases, occupancy, tenant credit, and an appraisal. The key question is whether recurring income supports debt service after realistic expenses and reserves.
Refinance
Underwriting considers the existing payment history, payoff amount, any prepayment charge, current value, updated income, and the reason for refinancing. A lower rate is not assured; the new loan must satisfy the lender’s current standards.
Renovation or repositioning
The lender evaluates the scope, budget, permits, contractor, contingency, disruption to tenants, and the expected value and income after completion. Draws may be released only after inspections and documentation.
Construction and development
The lender tests land basis, total cost, plans, permits, feasibility, schedule, contractor capacity, contingency, interest carry, presales or leases, and the exit strategy. Cost overruns or delays can require additional equity and may prevent a planned refinance or sale.
How to compare written loan offers
Compare offers using the same property value, NOI definition, loan amount, and timing assumptions. A lower headline rate can be outweighed by a shorter maturity, a large balloon, heavier reserves, or restrictive prepayment terms.
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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →| Comparison point | Questions to ask |
|---|---|
| Purpose and eligibility | Is the loan for owner-occupied use, investment property, acquisition, refinance, improvement, land, or construction? Are there prohibited uses? |
| Amount and equity | How much will be advanced, when must equity be funded, and are equity sources restricted? |
| Rate structure | Is the rate fixed or variable? What are the index, spread, reset dates, caps, floors, and rate used for stress testing? |
| Maturity and amortization | When is the full balance due, what is the amortization schedule, and what balloon amount is projected? |
| Coverage and leverage | How are NOI, DSCR, LTV, and debt yield calculated, and which covenants apply after closing? |
| Collateral and recourse | Which property, accounts, rents, guarantees, and other assets secure the debt? |
| Reserves and reporting | What escrows are required, who controls them, and what financial or rent-roll reports are due? |
| Prepayment and exit | Can the loan be prepaid, assigned, or assumed, and what fee or notice applies? |
| Total closing cost | What are the lender, legal, appraisal, environmental, inspection, servicing, and government-program charges? |
SBA-backed pathways for eligible U.S. small businesses
The U.S. Small Business Administration (SBA) programs below concern eligible for-profit small businesses operating in the United States. They are not general-purpose investment-property loans, and eligibility and procedures can change. Confirm the rules in effect when applying.
SBA 7(a)
The SBA states that 7(a) financing can be used to acquire, refinance, or improve real estate and buildings, along with other eligible business purposes. Its stated maximum loan amount is $5 million. An eligible applicant generally must operate a for-profit business in the United States, meet SBA size standards, avoid ineligible business categories, be creditworthy, and demonstrate reasonable repayment ability.
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The borrower applies through a participating lender rather than directly to the SBA. Most 7(a) term loans use monthly principal-and-interest payments. Fixed-rate payments remain the same under the fixed-rate structure; variable-rate payments may change when the rate changes. The lender still underwrites the borrower, property, equity, collateral, guarantees, and repayment plan under the program’s rules.
SBA 504
The SBA describes 504 as long-term, fixed-rate financing for major fixed assets, including purchasing, constructing, or renovating buildings or land. The program lists a maximum of $5.5 million and 10-, 20-, and 25-year maturity terms. A Certified Development Company (CDC) originates the 504 loan in collaboration with a senior lender.
504 financing excludes working capital, inventory, and speculation or investment in rental real estate. The SBA identifies eligible operating small businesses and directs applicants to contact a CDC. Because a senior lender and CDC participate, the transaction has a different structure from a conventional single-lender loan.
7(a) and 504 at a glance
| Feature | SBA 7(a) | SBA 504 |
|---|---|---|
| Real-estate use | Can include acquisition, refinance, or improvement of real estate and buildings, plus other eligible business purposes | Focused on major fixed assets such as purchasing, constructing, or renovating buildings or land |
| Maximum stated amount | $5 million | $5.5 million |
| Stated maturity information | Varies by loan structure and lender terms | 10, 20, or 25 years |
| Application channel | Participating lender | CDC working with a senior lender |
| Important exclusions or limits | Applicant and use must satisfy SBA eligibility rules | Does not fund working capital, inventory, or speculation or investment in rental real estate |
SBA procedures are subject to updates. The SBA’s SOP 50-10 page identifies version 8.1 technical updates effective October 1, 2026, so a borrower should verify current requirements, forms, fees, and lender or CDC availability at the time of application.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Documents and preparation checklist
Organizing information early can expose underwriting problems before an appraisal or closing deadline.
- Purchase contract, refinance statement, or detailed project scope and budget
- Entity formation documents, ownership chart, resolutions, and identification for guarantors
- Personal and business financial statements, tax returns, debt schedules, and liquidity evidence
- Current and historical operating statements, rent roll, leases, amendments, and tenant delinquencies
- Property tax bills, insurance information, utility data, service contracts, and capital-expenditure history
- Appraisal, environmental report, property-condition assessment, survey, title work, zoning and permits when requested
- Construction plans, contractor agreement, schedule, draw budget, contingency, feasibility study, and evidence of required approvals
- Business plan and projections explaining occupancy, rents, expenses, management, and the repayment or exit strategy
Common failure points and practical fixes
Relying on projected income as if it were collected income
Market rents or planned occupancy may not support debt service until leases are signed and operating costs are proven. Separate in-place, contracted, and projected income in the underwriting package and show the assumptions behind each.
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Ignoring the maturity balance
A payment calculated on a long amortization schedule can conceal a substantial principal balance due sooner. Request an amortization schedule and maturity payoff estimate, then model a sale and refinance under less favorable conditions.
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Underestimating reserves and closing costs
Taxes, insurance, repairs, tenant improvements, leasing commissions, environmental work, and lender fees can consume cash after closing. Maintain a sources-and-uses schedule that includes required reserves and a realistic contingency.
Assuming a government program automatically approves the deal
SBA eligibility does not replace credit underwriting. The participating lender or CDC still evaluates repayment ability, collateral, ownership, use, documentation, and program-specific conditions.
Comparing rates without comparing structure
Two offers with similar rates can have very different reset provisions, recourse, covenants, prepayment charges, reserves, or maturity dates. Compare the complete term sheets on identical assumptions.
A simple worked example
Assume a lender underwrites a property at $5 million and proposes a $3 million loan. The illustrative LTV is 60%. If stabilized NOI is $240,000 and annual debt service is $200,000, DSCR is 1.20x. Debt yield is 8% because $240,000 divided by $3 million equals 0.08.
Those calculations do not establish approval. The lender may adjust NOI for vacancy, management, reserves, or nonrecurring income; use a different value; increase debt service for a stressed rate; or require additional equity. If the loan amortizes over a longer period than its maturity, the borrower must also plan for the remaining principal due at maturity.
Bottom line
A commercial real estate loan works by matching a borrower, a property, and a repayment plan under risk-based underwriting. Approval depends on the combined strength of borrower finances, equity, collateral, property income, valuation, market conditions, and the proposed loan structure. Read beyond the interest rate: understand DSCR, LTV, debt yield, guarantees, reserves, covenants, prepayment rules, amortization, and the maturity balance. For an eligible U.S. small business, SBA 7(a) and 504 may provide distinct real-estate pathways, but each has different uses, limits, and application channels.
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