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How does an SBA 504 loan work for owner-occupied commercial real estate?
SBA 504 is a three-party structure: you put in 10%, a conventional bank lends 50%, and a Certified Development Company (CDC) issues a 40% SBA debenture at a fixed rate. The result is long-term, fixed-rate financing for owner-occupied commercial real estate or heavy equipment — with only 10% down.
The full picture
The 504 three-party structure
An SBA 504 loan involves three parties simultaneously: the borrower (10% down payment), a conventional bank or credit union (50% first mortgage), and a Certified Development Company (CDC) that issues a 40% SBA debenture. The CDC portion is funded by selling bonds backed by the SBA guarantee — which keeps the CDC rate fixed at a Treasury-bond spread regardless of Prime Rate movements. The bank's 50% is negotiated separately and may be fixed or variable depending on the lender.
Key parameters
- Borrower down payment: 10% (startups and single-purpose properties may require 15–20%)
- Bank first mortgage: 50% of project cost
- SBA debenture (CDC): 40% of project cost — fixed rate, set at time of debenture funding
- Maximum SBA debenture: $5,500,000 for most businesses; up to $5,500,000 for manufacturers and energy-efficient projects
- Real estate term: 20 or 25 years on the SBA debenture portion
- Equipment term: 10 years on the SBA debenture portion
- Owner-occupancy requirement: borrower must occupy 51%+ of the property (60%+ for new construction)
Fixed rate vs. 7(a) variable rate
The SBA 504 debenture rate is fixed at debenture funding — tied to the 10-year or 20-year Treasury rate plus a CDC spread plus ongoing fees. This predictability is a core advantage over SBA 7(a) for commercial real estate, where rates are typically variable (Prime + spread) and expose borrowers to rate risk over a 25-year term.
Eligible uses
- Purchase of owner-occupied commercial real estate
- Ground-up construction of an owner-occupied facility
- Substantial renovation or modernization of existing commercial real estate
- Purchase of heavy machinery and equipment with a useful life of 10+ years
- Refinancing of existing commercial real estate debt (under certain conditions)
Apply at ClearValue Lending
ClearValue Lending routes eligible small businesses to SBA lenders and CDC-affiliated lenders in its network. If you're buying owner-occupied commercial real estate or heavy equipment, start an application to assess whether a 504 or 7(a) structure is the better fit for your project.
Sources
- SBA 504 loans use a three-party structure: borrower (10%), conventional lender (50%), and CDC SBA debenture (40%). The debenture carries a fixed rate tied to Treasury bonds. — SBA — 504 Loans
- The maximum SBA 504 debenture for most eligible businesses is $5,500,000; manufacturing businesses and projects meeting energy-efficiency standards may qualify for larger debentures. — SBA — 504 Loans
- The real estate debenture term under SBA 504 is 20 or 25 years; equipment debentures are 10 years. The borrower must occupy at least 51% of the property for existing buildings, or 60% for new construction. — SBA — 504 Loans
- SBA 504 loans financed $8.8 billion in projects in fiscal year 2023, supporting commercial real estate and equipment acquisition for small manufacturers, service firms, and other eligible businesses. — SBA — 504 Loans
Key takeaways
- 504 is a three-way split: 10% borrower / 50% bank / 40% SBA debenture — the SBA portion is fixed-rate.
- Designed for owner-occupied commercial real estate (51%+ occupancy) and heavy equipment with 10+ year useful life.
- 20–25 year terms on real estate, 10-year terms on equipment — the longest available under SBA programs.
- The fixed debenture rate is a major advantage over SBA 7(a) for real estate, where rates are typically Prime + spread variable.
- Maximum SBA debenture is $5.5M for most businesses; total project size can be substantially larger.
Frequently asked questions
How much down payment do I need for an SBA 504 loan?
Most borrowers put down 10% of the project cost. Startups and single-purpose properties (like a hotel or a gas station) often require 15–20% down instead, because those property types have a smaller pool of alternative buyers if the lender ever needs to resell.
Is the SBA 504 loan rate fixed or variable?
The CDC's 40% debenture portion carries a fixed rate, set at debenture funding and tied to Treasury bond yields — this is the program's main advantage over SBA 7(a), where rates are typically variable (Prime + spread). The bank's 50% first mortgage is negotiated separately and may be fixed or variable depending on the lender.
Can I use an SBA 504 loan to buy equipment instead of real estate?
Yes, for heavy machinery and equipment with a useful life of 10+ years — the SBA debenture term on equipment is 10 years, versus 20–25 years for real estate. It cannot be used for inventory or short-lived equipment.
How much owner-occupancy does SBA 504 require?
You must occupy at least 51% of an existing building, or 60% for new construction. This is a hard eligibility requirement — an SBA 504 loan can't finance a purely investment property you don't operate your business from.
What's the maximum SBA 504 loan amount?
The maximum SBA debenture is $5.5 million for most eligible businesses; manufacturers and projects meeting energy-efficiency standards may qualify for larger debentures. SBA 504 loans financed $8.8 billion in total projects in fiscal year 2023.
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Published 2026-05-22 · Updated 2026-08-03 · https://clearvaluelending.com/answers/sba-504-loan-explained