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The SBA 504 structure: who lends what, and why it takes two lenders
A 504 is not one loan. It is a bank first mortgage, a government-guaranteed debenture sitting behind it, and your cash — three pieces, priced three different ways.
Drafted with AI assistance. Not yet independently checked. Nobody has verified the claims on this page against a source, so treat the figures and legal points as a starting point rather than as settled, and confirm anything you are about to act on. How we check things.
Two lenders close on the same property, and only one of them is the one you found first.
That is the shape of a 504. A third-party lender, usually a bank, takes the first lien. A Certified Development Company — a nonprofit licensed by the SBA — takes a second lien funded by a debenture that the SBA guarantees and that is sold to investors. You put in the rest. All three pieces finance one fixed-asset project.
The three pieces do different jobs
Illustrative only — a 504 project is often sketched as roughly half bank, a bit under half debenture, and the remainder from you. Do not build a budget on that sketch. The required borrower contribution goes up when the business is new, when the property is special-purpose, and more again when both are true. The current percentages, the debenture ceiling and the eligible project costs are set by SBA rule and change; confirm them at sba.gov.
The debenture is why the timing is odd
Debentures fund on a schedule, not on your closing date. In practice the third-party lender or another interim lender advances the CDC's share as bridge financing at closing, and gets taken out when the debenture funds. Two consequences: there is interim interest to account for, and the bridge lender has to be willing to carry that gap. Ask early who is providing the interim financing and what it costs, because it is a real cost that does not appear on the headline rate.
What 504 money can buy
Fixed assets, essentially: land, buildings, construction and renovation, and long-lived machinery and equipment. Not inventory, not working capital, not general debt consolidation. There is a separate 504 refinancing path for qualifying existing debt, with its own conditions.
If your need is a building plus operating cash, you are looking at two products, not one.
Job creation or a public policy goal
A 504 project has to do something the program was designed to fund: create or retain a defined number of jobs per dollar of debenture, or meet an alternative public policy or community development goal. The ratio and the list of qualifying goals are in the SBA's rules. This is not a formality — the CDC documents it, and it is one of the reasons a CDC will ask about your headcount plans in a way a bank will not.
Fees and prepayment
504 fees are their own subject. There is a CDC processing fee, an SBA guarantee fee on the debenture, a funding fee and an underwriting fee, plus an ongoing servicing charge folded into your effective rate. Most of these are financed into the debenture rather than paid in cash. The current schedule is published by the SBA.
Prepayment is where borrowers get caught. The debenture carries a declining prepayment premium during the earlier part of its term, calculated from the debenture's own rate, and prepayment happens on a set monthly cycle with notice — you cannot simply wire the balance on a Tuesday. Separately, the bank's first mortgage has whatever prepayment terms the bank wrote. If you expect to sell or refinance the property inside a few years, price both penalties before you sign, not after you get an offer.
When the two-lender structure is worth it
504 tends to win when the project is heavy on real estate or long-lived equipment, you intend to hold the asset, and a fixed rate on a large slice of the debt matters to you. It tends to lose when you need flexibility, when the project mixes fixed assets with working capital, or when the sale of the business is plausibly two years out.
The comparison people should run is not 504 against conventional. It is 504 against a 7(a) covering the same project. A 7(a) is one lender, one closing, one set of documents, and it can fund working capital alongside the building. A 504 usually gives you a lower blended cost on the fixed-asset piece and a fixed rate on the debenture. Which wins depends on the numbers in front of you and on how long you plan to own the property.
Questions worth asking the CDC and the bank separately
- Who is providing interim financing, and what does the interim period cost?
- What is the bank's first-mortgage maturity, and does it balloon before the debenture is repaid?
- What is the bank's prepayment charge, in writing?
- What contribution will be required given the property type and the age of my business?
- What job or policy goal is this project being documented against?
Ask both lenders the same questions and compare the answers. They are separate institutions with separate incentives, and the borrower is the only person reading both sets of documents.
Where this applies
Related questions
What does this guide cover?
A 504 is not one loan. It is a bank first mortgage, a government-guaranteed debenture sitting behind it, and your cash — three pieces, priced three different ways.
Which funding products does this apply to?
Term Loan, SBA Loan, Equipment Financing. Each has its own page listing the funders in this directory that offer it and what each one publishes about its terms.
Is this specific to manufacturing?
It is written around how a manufacturing business actually generates and collects cash, which is what makes its funding problem different. The mechanics transfer; the arithmetic may not.
Who writes this?
The Find Me Funders research desk. Some drafting is AI-assisted, and every page that is says so at the top, including whether a person has checked its claims yet.
How do I know a figure here is right?
Where a page carries the green notice, its claims were checked against the sources listed at the end and a reviewer is named. Where it carries the amber one, nobody has verified it yet and you should confirm anything you plan to act on.
Are the examples real deals?
No. Every worked example is labelled illustrative and exists to show the arithmetic. What any particular lender charges is on that lender's page, where it publishes it.
Why do you never say what a typical rate is?
Because we cannot source it. A market average assembled from lenders who do not publish prices is a guess with a decimal point on it. Where a lender publishes a figure, we show that figure and say where it came from.
Is this financial or legal advice?
No. It is general information about how these products work. Outcomes depend on your contract and your state, and a lawyer or accountant licensed where you are is the person to ask about your situation.
Can I reuse this content?
Quote a paragraph with a link back. Do not republish whole articles.