The SBA 504 Debt Refinancing Program lets an owner-occupant refinance existing commercial mortgage debt into the standard 50/40/10 structure — with or without an expansion project. Core gates: the debt being refinanced is generally at least two years old, you have been current for the last 12 months, at least 85% of the original proceeds went to 504-eligible purposes, and you occupy 51%+ of the property. Refinances without expansion typically cap around 90% LTV; cash-out, when allowed, is limited to eligible business operating expenses — never distributions to owners.
What the SBA 504 Refinancing Program Is
Most people meet the 504 as a purchase product. It also refinances. The SBA 504 Debt Refinancing Program moves existing commercial mortgage debt into the same three-part structure a purchase uses — a bank first around 50%, a CDC second around 40%, and your existing equity in the property standing in for the 10% injection.
There are two versions, and they have different rules:
- Refinance without expansion. You are only replacing existing debt. This is the version with the stricter eligibility tests below.
- Refinance with expansion. You are refinancing and building or buying more. The existing debt rides along with the new project, and the tests are generally looser because the deal is treated more like a standard 504.
The appeal is the same as any 504: a long-term fixed rate on the CDC portion, in a market where most commercial mortgages carry 5–10 year terms and a balloon.
SBA 504 Refinance Rules and Eligibility
These are the gates that actually decide the deal. Confirm current thresholds with your CDC before you rely on any of them — SBA guidance on this program has been revised repeatedly.
| Requirement | Typical standard |
|---|---|
| Age of the debt | Generally at least 2 years old |
| Payment history | Current for the last 12 months, no deferral or restructure in that window |
| Original use of proceeds | 85%+ went to 504-eligible purposes (real estate, equipment, improvements) |
| Occupancy | 51% of an existing building |
| LTV — no expansion | Commonly capped around 90% of appraised value |
| Business age | Operating 2+ years under substantially the same ownership |
The 85% test is the one that surprises people. If the original loan was a blended facility — part building, part working capital — it can fail even though the collateral is clearly real estate. Dig out the original closing file before you spend money on an appraisal.
Cash-Out Rules: What You Can and Cannot Take
A 504 refinance can include cash-out, but the definition is narrow and it is where most misunderstandings live. Proceeds above the payoff must go to eligible business operating expenses — salaries, rent, utilities, inventory, and other documented obligations, generally the ones coming due in the next 18 months.
What cash-out on a 504 refinance is not:
- Not a distribution to owners. You cannot pull equity out for personal use.
- Not an unrestricted pool. Expenses are documented and verified, not taken on your word.
- Not a way to fund another property. The money supports the operating business.
If what you actually want is unrestricted equity out of a building, this is the wrong product. A conventional cash-out refinance or a real estate secured business loan gives you cash without the use restriction — usually at a higher rate and shorter term. That is the trade.
Rolling in Other Secured Debt
A 504 refinance can often absorb additional secured business debt beyond the mortgage being replaced — equipment notes and similar obligations that are collateralized and current. This is worth raising early, because it can turn several payments into one long-term fixed obligation and materially change monthly coverage.
What it cannot absorb: unsecured debt, credit card balances, merchant cash advances, and federally guaranteed loans, which generally have their own restrictions on being refinanced into a 504.
When an SBA 504 Refinance Makes Sense
- A balloon is coming. The clearest case. You have a maturity in the next 12–24 months and want to trade it for a long fixed rate rather than roll the dice on where rates sit at maturity. See refinancing a balloon early.
- You are carrying a floating rate on a building you intend to keep for a decade.
- Your property has appreciated enough that the equity now covers the injection without cash.
- You have several secured notes that could collapse into one payment.
When it does not make sense: you plan to sell within a few years (the prepayment penalty and closing costs will not amortize), you need money fast (this is a 60–90 day process), or occupancy is under 51%.
Timeline and Costs
Budget 60–90 days, the same as a 504 purchase, because it is the same two-lender approval path — a bank for the first, a CDC for the second. See SBA 504 lenders for how that split works and where you actually have negotiating room.
Costs mirror a purchase: a CDC processing fee commonly around 1.5% of the debenture, SBA guarantee and servicing built into the effective rate, bank fees on the first, plus appraisal and environmental. Most of it finances into the loan. A declining prepayment penalty attaches to the CDC piece, which is exactly why a near-term sale kills the math.
Why 504 Refinances Get Declined
- The debt is under two years old. A hard stop on the no-expansion version.
- A late payment inside the 12-month window — including one that was cured.
- The 85% test fails because the original loan funded working capital alongside the building.
- Occupancy slipped below 51% after you leased out space.
- Appraisal comes in low, pushing LTV past the cap. See options when the appraisal is low.
- Cash-out request is ineligible — owner distributions rather than operating expenses.
Next Steps
Before anything else, pull three documents: the original closing file (to test the 85% rule), 12 months of payment history, and a current occupancy breakdown of the building. Those three decide eligibility, and all three are free to check. Get matched and we will tell you whether a 504 refinance is live before you pay for an appraisal.
Frequently Asked Questions
What are the SBA 504 refinance rules?
The debt being refinanced is generally at least two years old, you must have been current on payments for the last 12 months, at least 85% of the original loan proceeds must have gone to 504-eligible purposes, and you must occupy at least 51% of the property. Refinances without an expansion project are commonly capped near 90% loan-to-value. Confirm current thresholds with your CDC, since SBA guidance on this program has been revised repeatedly.
Can you take cash out with an SBA 504 refinance?
Yes, but only for eligible business operating expenses such as salaries, rent, utilities, and inventory, generally those coming due within about 18 months, and they must be documented. You cannot take cash out as a distribution to owners or use it to buy another property. If you want unrestricted equity, a conventional cash-out refinance or a real estate secured business loan is the right product instead.
How old does debt have to be for an SBA 504 refinance?
Generally at least two years for a refinance without expansion, and the business itself usually needs two or more years of operating history under substantially the same ownership. A refinance packaged with an expansion project is treated more like a standard 504 and the tests are typically looser.
What is the SBA 504 refinance program LTV limit?
Refinances without expansion are commonly capped around 90% of appraised value. This is why a low appraisal is one of the more frequent reasons these deals fail late, after money has already been spent on third-party reports.
How long does an SBA 504 refinance take?
Budget 60 to 90 days, the same as a 504 purchase, because it runs the same two-lender approval path: a bank for the roughly 50% first mortgage and a CDC for the roughly 40% second. Having the original closing file, 12 months of payment history, and a current occupancy breakdown ready on day one is what compresses it.