By Trevor Damyan, Commercial Mortgage Broker at Commercial Lending Solutions
Owner-user commercial real estate buyers face a foundational financing decision: SBA 504 at 90 percent leverage with a fixed-rate CDC second lien, or conventional bank balance sheet at 70 to 80 percent leverage with a more flexible structure. SBA 504 wins on leverage and long-term fixed-rate cost of capital. Bank conventional wins on speed, simplicity, and prepayment flexibility. The decision affects down payment by 15 to 25 percentage points and locked-in cost of capital by hundreds of thousands of dollars over the hold period.
Get Quotes from Both →Rate ranges reflect indicative pricing as of April 2026, sourced from active CLS CRE quote pipeline. Pricing is property, sponsor, and structure dependent.
SBA 504 wins when the borrower wants 90 percent leverage and long-term fixed-rate cost of capital lock. The structure is purpose-built for owner-operators who plan multi-decade hold horizons.
Bank conventional wins when the borrower has the down payment, prefers prepayment flexibility, or wants speed and simplicity over leverage. Established sponsors with depository relationships often access tighter pricing through bank balance sheet.
Calculate the down payment dollar value. The difference between SBA 504 (10 percent) and bank conventional (25 to 35 percent) on a $5M project is $750K to $1.25M of equity. For most owner-operators, that equity differential is meaningful. SBA 504 typically wins on leverage by a wide margin.
Run after-tax cost of capital. The SBA 504 blended rate (50 percent bank first plus 40 percent CDC second plus 10 percent down) is typically 50 to 150 basis points inside bank conventional on the financed portion. Over a 10-year hold, that 50 to 150 basis point spread on a $5M project is $50K to $300K of saved interest.
Evaluate prepayment exposure. The SBA 504 CDC piece has a 10-year declining prepayment penalty that can be a meaningful constraint if the sponsor sells the business or refinances early. Bank conventional typically has 5,4,3,2,1 prepayment that clears at year 5. Sponsors planning early exit favor bank conventional.
Consider the relationship value. Bank conventional financing through a depository relationship can be paired with operating account, treasury management, business credit cards, payroll, and other banking services that have value beyond the loan. SBA 504 is typically separate from the depository relationship.
On a $4.2M owner-user industrial purchase in Long Beach, the buyer evaluated two competing structures. SBA 504 at 90 percent LTC with a 50 percent bank first at 6.95 percent fixed and a 40 percent CDC second at 5.85 percent fixed (blended ~6.46 percent on the financed portion) versus a bank conventional 5-year fixed at 7.45 percent at 70 percent LTV (30 percent down). SBA 504 won on $1.05M less down payment and approximately $480K of interest savings over a 10-year hold. The borrower took SBA 504 despite the longer 75-day close versus 45-day bank conventional close. The seller agreed to a 90-day close window to accommodate.
All deal references anonymize borrower and lender identities and use city-level geography only.
On most owner-user real estate purchases, SBA 504 wins on leverage and long-term fixed-rate cost of capital. The 10-year declining prepay schedule is the only meaningful trade-off, and most owner-operators with multi-decade business plans do not need the early-exit flexibility.
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