The SBA 504 loan is one of the best-rate commercial real estate financing options available to small businesses. Here's how the unique structure works.
What Is the SBA 504 Loan?
The SBA 504 loan program is a government-backed financing program specifically designed for the purchase or improvement of major fixed assets — commercial real estate and large equipment. It is distinct from the more flexible SBA 7(a) program in both structure and purpose: the 504 is purpose-built for tangible, long-lived assets, not working capital or general business purposes.
The 504 features below-market fixed interest rates tied to U.S. Treasury rates, making it one of the cheapest fixed-rate financing products available to small businesses for real estate and equipment. For businesses planning to purchase owner-occupied commercial real estate or major machinery, the 504 should be the first financing option evaluated.
How the SBA 504 Structure Works
The SBA 504 uses a unique three-party structure:
- Conventional lender (bank or credit union): Provides 50% of the project cost as a conventional first mortgage or equipment loan
- Certified Development Company (CDC): A nonprofit organization that administers the SBA 504 program, providing 40% of the project cost funded through an SBA-guaranteed debenture
- Borrower (you): Contributes a minimum 10% down payment (15–20% for special-purpose properties or businesses under 2 years old)
This structure means your 10% down buys 100% of the asset — significantly better leverage than conventional commercial real estate lending, which typically requires 20–35% down.
Key Terms and Parameters
- Maximum project size: No formal cap, but the CDC/SBA portion is capped at $5 million ($5.5 million for manufacturers or green energy projects)
- Interest rate (CDC portion): Fixed rate tied to 5-year and 10-year Treasury rates + a spread; currently approximately 5.5%–8% for the CDC debenture
- Repayment terms: 10 years for equipment; 20 or 25 years for real estate
- Eligible uses: Purchase of owner-occupied commercial real estate; construction, renovation, or expansion of facilities; purchase of major equipment with a useful life of 10+ years
- Ineligible uses: Working capital, inventory, refinancing (generally), investment real estate (must be owner-occupied, 51%+ by the borrowing business)
SBA 504 vs. SBA 7(a) for Real Estate
| Factor | SBA 504 | SBA 7(a) |
|---|---|---|
| Purpose | Fixed assets only | General purpose (incl. real estate) |
| Rate type | Fixed (below market) | Variable (Prime + spread) |
| Max term | 25 years (real estate) | 25 years (real estate) |
| Down payment | 10% minimum | 10–20% typical |
| Structure | Two loans (bank + CDC) | Single lender |
| Closing complexity | Higher (two closing processes) | Lower (single closing) |
| Best for | Rate certainty, lower down payment | Flexibility, single closing |
SBA 504 Eligibility Requirements
To qualify for a 504 loan, your business must meet all standard SBA eligibility requirements plus specific 504 criteria:
- For-profit business operating in the U.S.
- Net worth under $15 million
- Average after-tax income under $5 million for the past 2 years
- Personal FICO typically 650+ (650–680+ preferred)
- 2+ years in business (some exceptions for existing businesses with strong financial profiles)
- DSCR of 1.25+ after the proposed new debt
- The project must create or retain jobs (1 job per $75,000 in SBA debenture, or meet an alternative public policy goal)
- Real estate must be majority owner-occupied (the borrowing business must use 51%+ of the space)
The 504 Application Process
The SBA 504 process involves more parties than standard financing — a conventional lender, a CDC, and the SBA — which adds coordination complexity:
- Identify a CDC in your area (there are 270+ CDCs nationwide; find yours at sba.gov)
- Simultaneously engage a conventional lender for the 50% first mortgage
- The CDC submits the 504 application to the SBA on your behalf
- SBA reviews and approves the debenture guarantee (typically 5–10 business days for most applications)
- Two separate closings occur: the conventional loan and the CDC debenture
Total timeline: typically 6–10 weeks from initial engagement to funding. This is longer than a standard SBA 7(a) but worth the time for the fixed-rate advantage on large real estate transactions.
Is the SBA 504 Right for You?
The 504 is the right choice if: you are purchasing owner-occupied commercial real estate or major equipment, you value rate certainty (fixed rate vs. variable), you want the lowest possible down payment (10% vs. 20–35% conventional), and you can invest 6–10 weeks in the process. If you need flexibility (working capital alongside real estate), a faster timeline, or your project doesn't fit the fixed-asset requirement, the SBA 7(a) or conventional financing may be more appropriate.
Approvd works with CDCs and SBA Preferred Lenders experienced in coordinating 504 transactions. Our advisors can help you evaluate whether 504 or 7(a) is the optimal structure for your specific project. Learn more in our complete SBA guide or apply free to discuss your options.
Frequently Asked Questions
Can I use an SBA 504 loan to buy a building?
Yes — commercial real estate acquisition is the most common use of the 504 program. The property must be majority owner-occupied (your business uses 51%+ of the space). Investment properties or rental buildings do not qualify.
What is the minimum down payment for an SBA 504?
10% for most properties. 15% for special-purpose properties (gas stations, car washes, hotels). 20% for businesses under 2 years old or startups.
Use our business loan calculator to model SBA 504 payments. See our complete SBA loan guide for all available SBA programs.
Related Financing Product
SBA Financing
Government-backed SBA loans with the lowest rates available for small businesses.