Skip to main content

SBA Lending Guide

SBA Loans for Commercial Real Estate

How to finance the building your business works from: the occupancy rule, why investment property is out, and how a 7(a) and a 504 handle real estate under the rules that took effect October 1, 2026.

By Thomas Hartwell | Updated for SOP 50 10 8.1

An SBA loan can purchase or construct a commercial building when your own business operates from it. Your business must occupy at least 51% of an existing building, or 60% of new construction. Rental and investment property is not eligible. A 7(a) loan can run up to 25 years on real estate. A 504 usually splits the project into a bank loan of 50% or more, a CDC loan of up to 40%, and at least 10% from you. (A CDC is a Certified Development Company, the lender that handles the 504 share.)

The books

Pick the book for your industry

One book per industry, each with real deals worked step by step. Kindle $9.99, paperback $39.99.

See every book and its paperback

Free: the 27-point SBA loan checklist

The checklist lenders work through on a real estate deal: cash flow, equity, collateral and the documents behind each one.

Enter your email and we'll send you the free 27-point checklist instantly.

Enter your email and we'll send you the free 27-point checklist instantly.

No spam. Unsubscribe anytime. We'll also notify you of new book editions.

TH

Written by Thomas Hartwell, author of the FUNDED series of industry-specific SBA lending guides.

Your First Choice: Rent or Own

Owning lets you finance the building over up to 25 years. If you rent, a loan for the build-out of your space runs no more than 10 years, and a big build-out ties you to the lease: the lease should run at least as long as the loan, and for a 504 it must.

Many owners start by asking whether to keep renting. The SBA's terms give you a concrete way to compare the two paths.

If you own, real estate can be financed for up to 25 years, plus extra time for any construction or renovation.[1] A longer term means a lower monthly payment, though more total interest over the life of the loan.

If you rent and borrow to improve the space, that work is called leasehold improvements (such as new walls in a space you lease). A loan for leasehold improvements can run no more than 10 years. When $500,000 or 30% of the loan (whichever is less) goes into the build-out, the lender must get a copy of your lease. For a 7(a), the lease, counting renewal options only you can exercise, should be at least as long as the loan. For a 504, it must be.[2]

Each path has a cost. Owning means a bigger project with more checks before closing, such as the appraisal and environmental review covered below. Renting means a shorter payoff on the build-out and a landlord you depend on.

The Occupancy Rule: 51% or 60%

In an existing building, your business must occupy 51% of the rentable space and can lease up to 49%. In new construction, you must occupy 60%, can permanently lease up to 20%, and can temporarily lease another 20% that you plan to grow into.

This rule comes from the federal regulation, 13 CFR 120.131, and it applies to both 7(a) and 504 loans.[3] It applies whenever SBA money purchases or improves real estate, or refinances debt secured by real estate.

The new construction rule has a timeline. You must intend to use some of the temporarily leased 20% within 3 years and all of it within 10 years.[4]

Minimum share of rentable space your business must occupy.

Existing buildinglease out up to 49%
51%
New constructionlease out 20% permanently, 20% temporarily
60%

Source: 13 CFR 120.131; SBA SOP 50 10 8.1, Occupancy and Leasing Requirements

What counts as rentable space

"Rentable Property" is the total square footage used for business operations. Common areas count. Stairways, elevators and mechanical areas do not. Outdoor space you actively use in the business, such as a contractor's storage yard, can count. Parking does not.

If your business needs someone living on site, the building can include residential space for that purpose, up to 49% of the property. The SOP's example is a livestock operation where someone must be on the premises at all times.

Rules for the space you lease out

Loan proceeds cannot pay to improve or renovate space you lease to a tenant. The rule applies whether the tenant is a business or a household.

You can have up to 1 year after closing to reach the required occupancy, for example when an old lease still has a few months to run.

A 504 is stricter on timing. The CDC cannot send the loan to closing (submit its closing package) unless you will be occupying and operating in the property, or the SBA approved an extension in advance.

Why Investment and Rental Property Is Ineligible

The SBA finances operating businesses. Developers and landlords that don't use or occupy the property are ineligible, and so is property held for future development, sale, lease or investment. The exception is an Eligible Passive Company that leases the building to your operating business.

If you want a building mainly to collect rent, an SBA loan is the wrong tool. SBA rules (13 CFR 120.110(c), repeated in SOP 50 10 8.1) say businesses owned by developers and landlords that do not actively use or occupy the assets are not eligible.[5] It also bars proceeds for property held for later development, sale, lease or investment, and for excess land you won't use right away.

That is why the occupancy rule exists. You may lease out part of a building your business occupies, but the SBA won't finance a building someone else occupies.

The Eligible Passive Company option

Many owners like to hold their building in a separate company and have the business pay it rent. The SBA allows this through an Eligible Passive Company, or EPC: an entity that owns the property and leases it to your Operating Company (OC), the business that runs on site.[6]

The SOP calls the EPC rule an exception and says every condition is read strictly. The main ones:

  • The EPC leases the property directly to the OC, and the OC leases 100% of it. The OC can sublease part under the same 51% or 60% occupancy rule.
  • The lease is subordinated to the SBA lender's lien, and its term, counting renewal options only the OC can exercise, is at least as long as the loan.
  • The rent can't exceed the loan payment plus the EPC's direct costs of holding the property, such as maintenance, utilities, insurance and property taxes.
  • The OC's cash flow has to cover the loan payment and those holding costs.

The rent cap keeps the EPC from becoming a rental business. The EPC holds the title, and your operating business stays the occupant.

Tenant rent and your loan approval

If you lease part of the building, the lender may include that rent in its global cash flow review, the combined look at the cash flow of you and your affiliates. It cannot count anticipated rent from the property in the projected debt service coverage, the test of whether the business's own cash flow covers the loan.[7] The appraisal also cannot add value to the building because of that rental income.

Free: The 27-Point SBA Loan Checklist

See what a lender checks on a building purchase before you sign a purchase agreement.

Enter your email and we'll send you the free 27-point checklist instantly.

Enter your email and we'll send you the free 27-point checklist instantly.

No spam. Unsubscribe anytime. We'll also notify you of new book editions.

Your Choice: 7(a) or 504 for the Building

A 7(a) is one loan, up to $5,000,000, with real estate terms up to 25 years, and it can include other uses. A 504 is two loans: a bank loan of 50% or more that holds the first lien and a CDC loan of up to 40%, with 10% or more from you and terms of 10, 20 or 25 years.

Both programs finance owner-occupied real estate. The full side-by-side is in our SBA 7(a) vs 504 comparison. For a building, these are the points that usually decide it.

The 7(a) path

A Standard 7(a) loan can be up to $5,000,000. Real estate can run up to 25 years. If the loan also covers working capital or equipment, the lender can blend the term (average it by how much goes to each use), or use up to 25 years for the whole loan when 51% or more of the proceeds go to real estate. That 51% option does not apply when the loan finances a business purchase.[8]

The 504 path

In the usual 504 structure, a bank (the Third Party Lender) provides 50% or more, a CDC provides up to 40% through a debenture (the SBA-guaranteed funding behind the CDC's share), and you put in at least 10%.[9] The 504 loan runs 10, 20 or 25 years, up to 25 for real estate. The bank loan must run at least 10 years when the 504 loan is 20 or 25 years.

504 Split on a $1,000,000 Building (illustrative)

Who funds itExisting businessNew business
Bank (first lien)$500,000 (50%)$500,000 (at least 50%)
CDC 504 loan (second lien)$400,000 (40%)$350,000 (at most 35%)
Your contribution$100,000 (10%)$150,000 (15%)

Arithmetic from SOP 50 10 8.1, Borrower's Contribution and Third Party Lender Participation. A limited or special purpose property also takes 15%, and 20% when the business is also new.

For detailed calculations and real examples, see the FUNDED Series.

Your share in a 504 goes up in two cases. A new business puts in at least 15%. A limited or special purpose property, one built for a single use such as a car wash, also takes 15%, and 20% when the business is new too.[10] In both cases the bank loan must be at least 50% of the project.

Two 504 details often help owners. Your contribution can be borrowed, as long as that loan sits behind the bank loan and the 504 loan. And equity in land or a building you already own that is part of the project can count toward it.

For the 7(a) side, the SBA sets 10% down for start-ups and for business purchases. When an existing business purchases its own building with a 7(a), the SOP sets no fixed percentage, and your lender decides based on your equity position. Our SBA down payment guide covers each case.

Rates work differently in each program too. Our SBA loan rates guide explains the 7(a) caps and how the 504 debenture rate is set.

Purchasing a Business and Its Building Together

You can use separate loans (the building can go on a 504) or one 7(a) with a blended term. In a blend, only the real estate share gets more than 10 years, up to 25. Everything else gets 10. A 504 cannot be blended.

A business purchase on its own is paid off over no more than 10 years. When the deal includes the real estate, SOP 50 10 8.1 gives two structures.[11]

Option 1: one blended 7(a)

The term is a weighted average of the uses, rounded to the nearest year. The real estate share can be weighted at up to 25 years. The business, soft costs and working capital are weighted at 10. The lender works out the term on the full cost, before your down payment comes off.

Say a $1,000,000 deal is $600,000 for the building and $400,000 for the business. The blend is (600 x 25 + 400 x 10) / 1,000 = 19 years.

Option 2: separate loans

One loan for the business and one for the building. The building loan can be a 504. The building carries the same equity requirement as the business purchase, and your equity is split between the two loans in proportion. If the building loan is a 504, its own contribution rules apply instead.[12]

When the building is the business

Some businesses can't be separated from their property. For an owner-occupied Special Purpose Property (a building made for one kind of business, like a car wash), the lender may use a term of up to 25 years for the whole loan when 85% or more of the project cost is real estate. Your lender decides whether your property qualifies and documents why.

One more detail helps on bigger deals. The "Business Purchase Price" leaves out the appraised value of the owner-occupied real estate. That price is what triggers the SBA's rules on a business valuation and a Quality of Earnings report (an outside review of the seller's earnings), so putting the building in the deal doesn't push you over those thresholds.

Appraisal and Environmental Review

Expect an independent appraisal dated within 12 months of the application, by a State-certified appraiser over $1,000,000. Every commercial property taken as security needs an environmental investigation, starting with a Phase I if the site's current or past uses are on the SBA's sensitive list.

The appraisal

For a 7(a), the appraiser must be independent and State-licensed or State-certified, follow the Uniform Standards of Professional Appraisal Practice (USPAP), and name the lender as client. The lender cannot use an appraisal prepared for you or the seller, and it can pass the cost to you.[13] When a business purchase includes real estate, an appraisal is required.

For a 504, an appraisal is required when the property is worth more than $500,000. At $500,000 or less, the CDC may use a simpler evaluation unless the deal triggers an appraisal, for example a sale between family members or a seller lending you part of your contribution.[14]

For new construction or a large renovation (costs over one third of the property's value), the appraiser values the building as it will be when finished.

If the appraisal comes in low. On a 7(a), a value at 90% or more of the estimate lets the lender close with a written explanation. On a 504, a value under 90% of the estimate means the 504 loan is reduced, or you add collateral or cash, unless the SBA approves it on strong cash flow. Either way, a low appraisal can change your down payment, so plan for it.

The environmental investigation

The SBA requires an environmental investigation of every commercial property pledged as security, and the report must be dated within one year of the date your loan gets its SBA loan number.[15]

The lender first looks up the industry codes for the property's current and known past uses. A match to the SBA's list of environmentally sensitive industries means a Phase I report (a professional review of the site's history for contamination) regardless of the loan size. Without a match, a loan up to $250,000 may start with an Environmental Questionnaire, and a larger loan starts with the questionnaire plus a records search with risk assessment.

A building's history counts here. A site that was once a gas station, for example, always starts with a Phase I and has extra SBA rules for its tanks, so ask about prior uses before you sign.

Liens and Collateral on the Building

A 7(a) lender takes a first lien on the building it finances. In a 504, the bank holds the first lien and the 504 loan usually takes a second lien. For collateral math, improved real estate counts at up to 85% of market value and raw land at 50%.

When a 7(a) loan pays for an asset, the lender must take a first lien on it.[16] In a 504, the 504 loan usually sits in second position behind the bank on the same property.

To decide whether a loan is "fully secured" (backed by enough collateral to cover it), the lender values improved real estate at no more than 85% of market value and unimproved land at 50%. A building often covers much of the loan by itself. If it doesn't, on a Standard 7(a) the lender must generally take available equity in personal real estate of owners who hold 20% or more of the business.

A loan can't be declined only because collateral falls short. The full rules, including when your home comes into play, are in our SBA collateral requirements guide.

Refinancing Commercial Real Estate with an SBA Loan

A 7(a) can refinance business debt that has been current for 12 months, generally with a payment at least 10% lower; balloon debt is excepted from that test. A 504 can refinance fixed-asset debt at up to 90% loan to value without an expansion, or up to 100% of the expansion cost with one.

Refinancing with a 7(a)

The debt must have been current for the last 12 months, or the life of the loan if shorter, and the refinance cannot shift a likely loss from the old lender to the SBA.[17]

Eligible debt includes loans with a balloon payment (a large lump sum due at the end) or a demand note (a loan the lender can call due at any time), and loans whose term didn't fit the asset. The new payment must generally be at least 10% lower than the old one. Debt with a balloon or demand note is an exception to that test, which is useful because many commercial mortgages end in a balloon.

Refinancing with a 504, no expansion

The debt must be a "Qualified Debt": at least 75% of the original loan paid for fixed assets such as land, buildings or equipment, and it was fully disbursed and secured by those assets at least 6 months before you apply.[18] The refinance is capped at 90% of the property's value.

Refinancing with a 504 and an expansion

If the project also purchases, builds or improves land, buildings or equipment, a 504 can refinance existing debt up to 100% of the expansion cost. The payment on the refinanced part must come out lower than your current payment.

Whether refinancing makes sense depends on your numbers. Weigh any prepayment penalty on the old loan and the fees on the new one against the lower payment. Many lenders will run both versions for you.

How to Plan an SBA Building Purchase

  1. 1

    Check occupancy first

    Measure the rentable space. Your business needs 51% of an existing building or 60% of new construction. If tenants would take more, the SBA can't finance it.

  2. 2

    Decide who owns the building

    Your operating business can own it, or a separate Eligible Passive Company can own it and lease 100% to the business, with rent capped at the loan payment plus holding costs.

  3. 3

    Pick 7(a) or 504

    A 7(a) is one loan and can include other uses. A 504 splits the project between a bank and a CDC, with at least 10% from you, or more for a new business or special purpose property.

  4. 4

    If a business comes with it, choose blended or separate

    A blended 7(a) weights real estate at up to 25 years and everything else at 10. A 504 can only be used as a separate loan for the building.

  5. 5

    Ask about the site's history

    Prior uses on the SBA's sensitive industry list mean a Phase I environmental report. Find out early.

  6. 6

    Budget for the appraisal

    The lender orders an independent appraisal and can pass the cost to you. A low value can raise the cash you need at closing.

  7. 7

    Run the payment

    Compare the 25-year payment to your current rent with the free SBA loan calculator.

Want the full walkthrough, with real deals worked step by step?

Get the FUNDED Series

The building is one part of the deal. The kit tests the whole thing.

Found a deal? The "Will the SBA Fund This Deal?" kit runs your numbers the way an underwriter will: your walk-away price, equity injection and what counts, collateral, global DSCR, and the red flags that sink applications, checked against SOP 50 10 8.1.

See the Kit →

Get the Free 27-Point SBA Loan Checklist

Know what lenders want to see on a building purchase before you apply.

Enter your email and we'll send you the free 27-point checklist instantly.

Enter your email and we'll send you the free 27-point checklist instantly.

No spam. Unsubscribe anytime. We'll also notify you of new book editions.

SBA Commercial Real Estate Loan FAQ

Can I use an SBA loan to buy a commercial building?

Yes, if your own business operates from it. SBA loan proceeds can purchase land and existing buildings, renovate them, or construct new ones as part of an eligible project. Your business must occupy at least 51% of the rentable space in an existing building, or 60% in new construction, under 13 CFR 120.131 and SOP 50 10 8.1. Both the 7(a) and 504 programs can finance the purchase.

Can I use an SBA loan for rental or investment property?

No. SOP 50 10 8.1 says businesses owned by developers and landlords that do not actively use or occupy the property are not eligible, and property held for future development, sale, lease or investment is an ineligible use. The one exception is an Eligible Passive Company: a separate entity that owns the building and leases 100% of it to your operating business, with the rent capped at the loan payment plus the costs of holding the property.

How much of the building can I lease to tenants?

In an existing building, up to 49% of the rentable space. In new construction, you can permanently lease up to 20% and temporarily lease another 20%, as long as you plan to use some of that extra 20% within 3 years and all of it within 10 years. Loan proceeds cannot pay to improve the space you lease out. Tenant rent may count in your lender's global cash flow review, but not in the projected repayment test.

Is a 7(a) or a 504 loan better for commercial real estate?

It depends on your deal. A 7(a) loan can run up to 25 years for real estate and can also cover working capital, equipment or a business purchase in the same loan. A 504 project puts a bank loan of 50% or more first in line for repayment, a CDC loan of up to 40% behind it, and at least 10% from you, with 504 terms of 10, 20 or 25 years. A 504 cannot be blended with a business purchase into one weighted term. See our full 7(a) vs 504 comparison for the side-by-side.

How much down payment do I need for an SBA commercial real estate loan?

With a 504, at least 10% of the project, 15% for a new business or a limited or special purpose property, and 20% when it is both. That contribution can be borrowed if it is subordinate to the bank loan and the 504 loan. With a 7(a), the SBA sets 10% for start-ups and for business acquisitions, including real estate purchased with the business. When an existing business purchases its own building with a 7(a), the SOP sets no fixed percentage, and your lender decides based on your equity position.

Does an SBA real estate loan require an appraisal and an environmental report?

Usually both. A commercial real estate appraisal must come from an independent State-licensed or State-certified appraiser, follow USPAP (the national appraisal standards), and be dated within 12 months of the application, with a State-certified appraiser required over $1,000,000. A 504 requires an appraisal when the property is worth more than $500,000. Every commercial property taken as security needs an environmental investigation, which starts with a Phase I if the property's current or past uses match the SBA's list of environmentally sensitive industries.

Can I refinance my commercial building with an SBA loan?

Often, yes. A 7(a) can refinance business debt that has been current for the last 12 months, and the new payment must generally be at least 10% lower; debt with a balloon or demand note is excepted from that test. A 504 can refinance debt on fixed assets without an expansion if at least 75% of the original loan paid for the assets, it was disbursed and secured at least 6 months ago, and the refinance stays at or under 90% loan to value. With an expansion, a 504 can refinance existing debt up to 100% of the expansion cost.

Will the SBA put a lien on my building?

Yes. On a 7(a), the lender must take a first lien on assets the loan pays for, including the building. On a 504, the bank holds the first lien and the 504 loan usually takes a second lien on the same property. If a Standard 7(a) loan is not fully secured, the lender must generally take available equity in personal real estate of owners who hold 20% or more of the business. Read our collateral guide for the full rules.

Real Estate Deals Worked Out by Industry

Each FUNDED guide walks through real deals in one industry, including owning the building, with the payment, cash flow and down payment worked out under SOP 50 10 8.1.

Browse the FUNDED Series
The FUNDED books from $9.99 →