Hypothetical scenario
Scenario: Unlocking Institutional Doors With SBA 504
Short answer
In this invented example, a conventional loan needs $300,000 down with a payment of about $7,113 a month on a 20-year schedule; a 504 structure needs about $120,000 down with combined payments of about $7,741 a month over 25 years. 504 preserves cash; the conventional loan costs less monthly here but ties up far more cash.
Key points
- 504's main advantage is a smaller down payment and long fixed-rate financing on the CDC portion.
- Compare cash required, monthly payment and total cost together.
- 504 includes fees of about 3%, which can be financed.
The situation
A 12-year-old machine shop has leased its building for a decade. The landlord offers to sell it for $1.2 million. The shop has about $350,000 in cash and wants to keep a healthy reserve for equipment and slow periods.
Two structures
All rates are assumptions for illustration, not current market rates:
| Conventional commercial mortgage | SBA 504 | |
|---|---|---|
| Down payment | 25%: $300,000 | 10%: $120,000 |
| Bank loan | $900,000 at 7.25%, 20-year amortization | $600,000 (50%) at 7.5%, 25 years |
| CDC loan | n/a | $480,000 (40%) plus about 3% fees financed = $494,400 at 6.4% fixed, 25 years |
| Monthly payment | about $7,113 | about $4,434 + $3,307 = $7,741 |
| Cash left after closing | about $50,000 | about $230,000 |
What the comparison shows
- The 504 structure keeps about $180,000 more cash in the business. For a shop that may need a new machine on short notice, that matters a lot.
- Its monthly payment is higher here because the bank portion carries a higher assumed rate and the fees are financed, even though the term is longer.
- The conventional loan's shorter amortization builds equity faster, but leaves the shop thin on cash.
- 504 rates on the CDC portion are fixed and tied to 10-year Treasury rates; a bank's rate may be fixed for only a few years before resetting.
Other questions to ask
- Does the bank in the conventional option have a balloon payment after 5 or 10 years?
- What are prepayment penalties on each piece?
- What do owner guarantees look like on each? SBA generally requires guarantees from 20% owners.
- Does the shop's cash flow cover either payment comfortably? Run both through the DSCR calculator, adding back the rent the shop would no longer pay.
The reasoning to take away
The cheapest monthly payment isn't automatically the best structure. Cash preserved can be worth more than a slightly lower payment, especially for an equipment-heavy business.
Sources
Checked November 9, 2026. Program rules and scoring models change; the source is the authority.