SBA 504 vs. 7(a) Loans for Buying Commercial Real Estate
An SBA 504 loan is built only for fixed assets such as land, buildings and long-life equipment, and splits the financing between a bank’s first-lien loan and a Certified Development Company’s second-lien loan. An SBA 7(a) loan is a single lender’s loan, partly guaranteed by SBA, that can pay for real estate and also working capital, equipment or the purchase of a business. Both require your business to occupy most of the building, and neither will finance a property bought to rent out.
This guide compares the two programs for owner-users buying commercial real estate in California, using only what the U.S. Small Business Administration publishes on its program pages and in its regulations (13 CFR Part 120), as of October 2026. It does not quote interest rates, which change and vary by lender. For the wider decision about buying your own building, start with our owner-user commercial property guide.
SBA 504 vs. 7(a) at a glance
| Feature | SBA 504 | SBA 7(a) |
|---|---|---|
| Who lends | A senior lender (first lien) plus a Certified Development Company (second lien) | One participating lender; SBA guarantees part of the loan |
| Published size | SBA’s lender table lists $25,000 to $5.5 million for the CDC loan | Up to $5 million |
| What it can pay for | Land, buildings, construction, renovation, machinery with at least 10 years of useful life, some qualified refinancing | Real estate, working capital, equipment, furniture, refinancing business debt, changes of ownership, or a mix |
| Your minimum contribution | 10% of project cost; 15% or 20% in specified cases | Not set in the SBA pages reviewed; the lender decides |
| Longest real estate term | 25 years (10 and 20 also offered) | 25 years, including extensions |
| Rate | Fixed, pegged to an increment above the 10-year Treasury rate | Fixed or variable, within SBA’s maximum spreads |
| Occupancy rule | 51% of an existing building; 60% of new construction | Same as 504: 51% existing, 60% new construction |
The sections below explain each line and where they matter in a real purchase.
How a 504 loan is structured
SBA’s regulation describes a 504 project as three pieces (13 CFR 120.801). The small business contributes at least 10% of project costs. A CDC lends up to 40% from debenture proceeds, secured by a second lien. A third-party lender, usually a bank, provides the balance with a first lien on the property.
SBA’s lender terms page describes the same split from the lender’s side: a private senior lien covering up to 50% of the project and a CDC junior lien covering up to 40%. CDCs are community-based nonprofits regulated by SBA, and the CDC portion is a 100% SBA-guaranteed debenture.
The rate on the CDC portion is fixed and set as an increment above the current 10-year U.S. Treasury rate, with terms of 10, 20 or 25 years. SBA’s 504 page estimates the program’s total costs at about 3% of the debt. The bank’s first loan carries its own rate, term and fees, which you negotiate separately.
Why the 504 cap is not a cap on the price
The 504 lending limits in 13 CFR 120.931 apply to the 504 loan itself: an outstanding balance of $5,000,000 for each borrower and its affiliates, or $5,500,000 per project for small manufacturers (NAICS 31-33 with all production in the U.S.), projects that cut energy use by at least 10%, and certain renewable energy projects. Read that way, SBA’s maximum applies to the 504 (CDC) portion, and the section doesn’t mention the bank’s separate first loan, so a total project can cost more than the CDC loan. Lenders and CDCs apply the limits deal by deal, so confirm with them how your price, equity and bank loan fit together before you write an offer.
A note on the numbers: SBA’s public 504 page says “up to $5 million” in its summary and “$5.5 million” in its body. The regulation explains why both appear, but confirm the figure that applies to your project with a lender or CDC.
How a 7(a) loan works for real estate
A 7(a) loan comes from a single SBA-participating lender. SBA guarantees part of it, which is what lets the lender offer longer terms on real estate. As of October 2026, SBA’s lender page lists these 7(a) types that commercial buyers meet most often:
- Standard 7(a): $350,001 to $5 million, with an SBA guarantee of up to 75%.
- 7(a) Small: up to $350,000, with an 85% guarantee up to $150,000 and 75% above that.
- SBA Express: up to $500,000, with a 50% guarantee.
The guarantee protects the lender, not you; you still owe the full balance. Most 7(a) loans run ten years or less, but a loan that finances real estate can run up to 25 years, including extensions.
The program’s flexibility is its main advantage. One 7(a) loan can pay for the building, the build-out, equipment and working capital, or buy an existing business together with its real estate. For a practice or company changing hands with its building, that can mean one loan and one closing instead of two financing tracks.
Fees and prepayment
Lenders pay SBA an upfront guaranty fee and an annual service fee; SBA publishes the upfront fee each fiscal year, and the annual service fee can’t be charged to the borrower. Ask your lender how much of the upfront fee is passed through to you.
A 7(a) loan with a maturity of 15 years or more carries a prepayment fee if you voluntarily prepay 25% or more of the balance within the first three years after first disbursement: 5% of the prepayment in year one, 3% in year two and 1% in year three. If you might sell or refinance early, factor that in. For a 504 loan, ask the CDC to explain the debenture’s prepayment terms in writing.
Occupancy: the rule both programs share
Both programs finance buildings for businesses to use, not for landlords. SBA’s leasing rule, 13 CFR 120.131, sets the thresholds:
- Existing building: the business must permanently occupy and use at least 51% of the rentable space and may lease out up to 49%.
- New construction: the business must permanently occupy at least 60%, may permanently lease up to 20%, and must plan to occupy some of the remaining space within three years and all of it within ten.
This is why a small multi-tenant building can still work for an owner-user: your company takes the majority of the space and existing tenants stay in the rest. Get the seller’s leases and rent roll early, and confirm with the lender how it measures “rentable property” for that building. Our guide to mixed-use buildings covers properties that combine commercial and residential space, where the measurement can be less obvious.
If you plan to hold the building in a separate entity, the rule anticipates that too: an Eligible Passive Company can own the property and lease it to the operating company, which then has to meet the same occupancy test.
What you put in, and when the minimum rises
For 504 projects, 13 CFR 120.910 sets the borrower contribution as a share of project cost:
| Situation | Minimum contribution |
|---|---|
| Standard project | 10% |
| Business operating two years or less | 15% |
| Limited or single-purpose building | 15% |
| Both of the above | 20% |
The contribution can be cash, property SBA accepts that was bought with cash, or land that is part of the project. It can’t come from another SBA business loan program.
“Limited or single purpose” matters for buyers of specialized buildings, such as a winery production facility or a building designed around one use. Whether your building is classed that way is the lender’s and CDC’s call, so raise it early. Medical and dental buyers should read our medical office space guide for the building questions that often come up in that review.
For 7(a) loans, the SBA pages reviewed for this guide don’t publish a minimum down payment; lenders set equity requirements based on the borrower and the property.
What neither program will finance
SBA’s 504 page lists working capital, inventory, speculation and investment in rental real estate as ineligible uses, and says loans can’t go to businesses engaged in passive or speculative activities. Both programs also require an operating, for-profit business located in the U.S. that meets SBA size standards. The 7(a) program adds that the business must be unable to get the credit on reasonable terms elsewhere and must show it can repay.
So if your goal is an apartment building or a fully leased retail center, SBA is the wrong tool. Investor financing works differently; see our guide to apartment building loans, or buying NNN-leased property for single-tenant investments.
Choosing between them
The programs overlap, but they tend to fit different purchases:
- A 504 loan often fits a business buying or building real estate as the main goal, where a long fixed rate on a large share of the project and a 10% minimum contribution matter most.
- A 7(a) loan often fits a purchase that mixes real estate with other needs, such as buying a business and its building, funding a large build-out, or adding working capital.
- A conventional bank loan has no SBA occupancy rule or guaranty fee, but the lender sets its own down payment and terms. Compare it alongside both SBA options.
Specialized properties have their own underwriting. Winery and vineyard buyers should also read our vineyard financing guide, which covers farm lenders, and our financing overview lists the other loan types we see in Diamond’s markets.
Diamond may refer you to partners we work with, such as SBA lenders and CDCs; you’re free to choose any provider.
Fitting SBA financing into a commercial escrow
An SBA purchase has more parties than a conventional one: a bank, possibly a CDC, SBA itself, an appraiser and often an environmental consultant. Build the timeline around them.
- Talk to a lender or CDC before the letter of intent. Confirm the program, your contribution and whether the building’s tenancy meets the occupancy rule.
- Write contingency periods to match. Ask the lender how long appraisal, environmental review and SBA authorization usually take, and set the financing period accordingly. Our loan contingency guide explains how the clause works.
- Order third-party reports early. Lenders commonly ask for an appraisal and environmental review; our commercial due diligence checklist lists the rest.
- Collect leases and estoppels if tenants will stay, since the lender will test occupancy against them.
- Set up the ownership entity before closing if an Eligible Passive Company will hold title.
A realistic price matters as much as the loan. Our guide to commercial property valuation explains how appraisers and buyers arrive at value, which drives the size of every loan in the stack.
This is general information, not lending, legal or tax advice. SBA limits and terms change, so confirm them with an SBA lender or CDC, and have a commercial real estate attorney review the purchase contract.
Questions people ask
What is the main difference between an SBA 504 and a 7(a) loan?
A 504 loan pairs a bank’s first-lien loan with a CDC’s second-lien loan and is limited to fixed assets such as land, buildings and long-life equipment. A 7(a) loan comes from one lender and can combine real estate with working capital, equipment or a business purchase.
How much do I need to put down on an SBA 504 loan?
At least 10% of project cost under 13 CFR 120.910. It rises to 15% if the business has operated two years or less or the building is limited or single purpose, and to 20% if both apply.
What is the maximum SBA 504 loan?
The 504 loan is capped at $5 million outstanding per borrower and affiliates, or $5.5 million per project for small manufacturers and certain energy projects. SBA’s maximum applies to the 504 (CDC) portion, so total project cost can be higher; confirm the figure and how it applies to your deal with a lender or CDC.
Can I rent out part of a building bought with an SBA loan?
Yes. In an existing building you must occupy at least 51% and can lease up to 49%. In new construction you must occupy at least 60% and can permanently lease up to 20%.
Can I use an SBA loan to buy an investment property?
No. SBA lists investment in rental real estate and speculation as ineligible uses, and the occupancy rule requires your business to use most of the space.
Can I buy a business and its building with one SBA loan?
A 7(a) loan can fund a change of ownership and real estate together, up to $5 million. A 504 loan can cover the real estate but not working capital or inventory.
Does an SBA 7(a) loan have a prepayment penalty?
For loans with maturities of 15 years or more, prepaying 25% or more of the balance in the first three years triggers a fee of 5%, 3% or 1% of the prepaid amount in years one, two and three.
If your business is outgrowing its lease, we can help you find buildings that fit SBA’s occupancy rule, run the purchase timeline with your lender and coordinate due diligence. Start with our commercial real estate services or contact Diamond to talk through a property.
Sources & notes
- U.S. Small Business Administration: 504 loans (modified August 28, 2026)
- U.S. Small Business Administration: 7(a) loans (modified July 27, 2026)
- U.S. Small Business Administration: 7(a) terms, conditions and eligibility for lenders (modified October 22, 2026)
- eCFR: 13 CFR Part 120, Subpart H (section 120.801, the 504 project structure)
- eCFR: 13 CFR 120.910, borrower contribution
- eCFR: 13 CFR 120.931, 504 lending limits
- eCFR: 13 CFR 120.131, leasing part of a building
Program figures are as SBA published them in October 2026. Interest rates, current guaranty fee amounts and processing times are not stated because they change; ask a lender.
Last reviewed October 2026 by Matthew Martinez.
