Contents

    SBA Regulations

    The SBA Feasibility Study Requirement, Mapped to NAICS: Every Trigger Under SOP 50 10 8

    By David Jones, MAI, CCIM


    Four circumstances trigger a third-party feasibility study on an SBA loan. One of them — special-purpose property — is defined by asset type rather than by transaction, and it applies to roughly 50,176 loans and $45.9 billion of lending across FY2021–FY2025. This is the code-level reference for which projects fall inside it.

    The four triggers

    SOP 50 10 8, effective 1 June 2025, sets out the circumstances in which a lender should expect to require an independent third-party feasibility study. In practice they reduce to four, and a single transaction frequently hits more than one.

    • 1. Startups and businesses operating less than two years. There is no operating history to underwrite, so projections carry the file.
    • 2. Complete change of ownership. The historical performance belongs to the seller's operation, and the question is whether it survives the transfer.
    • 3. New construction or major expansion. The asset does not exist yet, or exists at a materially different scale than proposed.
    • 4. Special-purpose or limited-purpose property. The collateral is built for one use and has limited alternative use if the business fails.

    The first three are transaction characteristics — a lender knows immediately whether they apply. The fourth is a property classification, and it is the one that causes confusion, because whether a given project is special purpose is not always obvious and the SOP does not publish an exhaustive NAICS list.

    This page is that list, cross-referenced to actual SBA lending volume so you can see how each category is financed in practice.

    Why the fourth trigger matters more than the others

    Special-purpose classification does not only determine whether a feasibility study is required. It also changes the equity injection and the appraisal requirement.

    On 504 loans, the standard borrower equity injection is 10%. For a special-purpose property it rises to 15%. For a startup acquiring a special-purpose property it rises to 20% — double the standard requirement.

    On appraisal, where a special-purpose property carries intangible value above $250,000, or the transaction is between related parties, the SOP requires a going-concern appraisal by a state-certified general real property appraiser with at least four comparable special-purpose appraisals completed in the prior 36 months, USPAP-compliant, allocating value separately across land, building, FF&E and intangibles.

    So the classification carries three consequences: the study, the equity, and the appraiser's qualifications. A borrower who discovers late that their project is special purpose finds the deal has changed materially.

    Does your project require a feasibility study?

    Special-purpose property types, by NAICS

    Every category below is recognised as special or limited purpose in SBA practice. Loan counts are FY2021–FY2025 originations across both programmes, excluding cancelled approvals.

    Property typeNAICS7(a) loans ▼504 loans504 shareAverage loanStartup share
    Full-service restaurants72251111,9781,39810.5%$574,40726.3%
    Limited-service restaurants7225138,9726777.0%$501,04140.1%
    Fitness and recreation centres7139405,0683656.7%$450,24354.0%
    Hotels and motels7211103,8801,08021.8%$2,483,2519.1%
    Child day care services6244103,77779217.3%$844,53626.3%
    Gas stations with convenience store447110, 4571102,70733711.1%$1,537,79811.5%
    Car washes8111921,24136122.5%$1,356,33724.1%
    Assisted living623311, 6233121,14822516.4%$1,207,49417.1%
    Breweries31212086315515.2%$662,59433.8%
    Self-storage facilities53113077435231.3%$1,320,49033.1%
    Funeral homes and services8122106467410.3%$989,0489.0%
    RV parks and campgrounds72121131712728.6%$1,247,86131.9%
    Nursing care facilities6231102608324.2%$1,139,99715.8%
    Elementary and secondary schools61111025913834.8%$1,039,85718.9%
    Wineries3121302514214.3%$676,13815.1%
    General warehousing4931101985822.7%$1,067,75811.6%
    Distilleries3121401963615.5%$848,03732.7%
    Bowling centres7139501964719.3%$829,65314.3%
    Bed and breakfast inns72119116812442.5%$992,88630.4%
    Golf courses and country clubs7139101595726.4%$835,14520.1%
    Freestanding surgical centres62149313296.4%$1,324,48853.0%
    Amusement and theme parks713110961211.1%$1,311,13443.8%
    Marinas713930923024.6%$1,059,71812.0%
    Cemeteries and crematories8122207789.4%$546,02939.0%
    Other gas stations447190, 45712066912.0%$1,315,06512.1%
    General medical hospitals6221105811.7%$814,65029.3%

    50,176 loans and $45.9 billion across the two programmes — 16.9% of all SBA lending in the period, and 23.1% of all 504 lending.

    Special-purpose lending by property type.

    Reading the table

    The 504 share column identifies where the property is the deal. Bed and breakfast inns at 42.5%, elementary schools at 34.8%, self-storage at 31.3% and RV parks at 28.6% run far above the 9.6% 504 share of overall SBA lending. These are real-estate-driven transactions, and the 504 structure exists for exactly that. Restaurants at 10.5% and fitness centres at 6.7% are mostly 7(a) — the transaction is a business, and the property is incidental.

    The startup share column identifies where projections do the work. Fitness and recreation centres at 54.0% and freestanding surgical centres at 53.0% are majority startup. More than half of those files have no operating history at all, which means both the startup trigger and the special-purpose trigger apply simultaneously.

    Average loan size identifies the appraisal exposure. Hotels at $2.48 million and gas stations at $1.54 million will almost always exceed the $250,000 intangible-value threshold that pulls in the specialist going-concern appraisal requirement. Restaurants at $574,407 frequently will not.

    Combinations, and why they compound

    The four triggers are not mutually exclusive, and the file’s difficulty scales with how many apply.

    ScenarioTriggers504 equity
    Buying an existing restaurant, operator has run one beforeChange of ownership + special purpose15%
    Building a new car wash, first-time operatorStartup + construction + special purpose20%
    Expanding an existing self-storage facility by 60%Major expansion + special purpose15%
    Acquiring an established manufacturerChange of ownership only10%
    Ground-up hotel, experienced operatorConstruction + special purpose15%

    The worst case in this framework — a first-time operator building a special-purpose property from the ground up — is exactly the profile that shows up most often in fitness centres and surgical centres, where more than half of borrowers are startups.

    What the requirement is actually measuring

    It is worth being precise about what special-purpose classification does and does not predict.

    The classification is about disposition difficulty. A lender holding a foreclosed bowling alley has a genuinely harder asset to sell than one holding a warehouse. That is a real risk and it is why the SOP treats these properties differently.

    It is not, in the loss data, a predictor of write-off risk. Hotels — the archetypal special-purpose property — show the lowest expected loss of any major SBA property category, because they are real-estate-secured on twenty-five-year terms. Restaurants, which are not classified as special purpose when the transaction is a business acquisition, carry roughly five times the expected loss.

    Both things can be true. The classification is asking whether the building can be repurposed; expected loss is driven by whether there is a building at all, and by the term of the credit. A borrower or lender treating the special-purpose label as a proxy for credit risk is reading it wrong.

    Trigger frequency against expected loss.

    What a lender expects the study to answer

    Regardless of which trigger applies, the study is answering one question for the credit committee: can this project service its debt at the proposed structure?

    That resolves into components a competent study addresses explicitly:

    Where the special-purpose trigger applies, the study also has to address the alternative-use question the classification exists to raise: what happens to this asset if the business fails.

    Practical notes

    Lender discretion is real. The SOP describes circumstances where a study should be expected, not an automatic rule. Two lenders can reach different conclusions on the same file, and a lender may require a study on a transaction that triggers none of the four.

    NAICS is not determinative. The code describes the borrower’s business, not the collateral. A restaurant business acquisition with no real estate is coded 722511 but is not a special-purpose property transaction. A property purchase for the same restaurant is.

    Classification is the lender’s call, not the borrower’s. Ask early. The equity difference between 10% and 20% on a 504 project is the difference between a deal that closes and one that does not.

    The study must be independent. SOP 50 10 8 requires the preparer to hold no financial interest in the outcome. A study prepared by a party to the transaction does not satisfy the requirement.

    Limitations

    This is a practitioner reference, not the regulation. SOP 50 10 8 and its subsequent notices are the authority. Where this page and the SOP differ, the SOP governs.

    The NAICS mapping is interpretive. The SOP does not publish an exhaustive code list for special-purpose property. The categories here reflect types consistently treated as special or limited purpose in SBA practice; lenders may classify differently.

    The SOP is amended. SOP 50 10 8 took effect 1 June 2025 and has been updated since, including revisions to citizenship and residency requirements effective 1 March 2026. Verify current text before relying on any procedural detail.

    Loan counts are originations. Cancelled and never-funded approvals are excluded, so figures run below SBA’s published approval totals.

    Methodology annex

    Regulatory source. SBA SOP 50 10 8, effective 1 June 2025, and subsequent SBA policy and procedural notices.

    Lending data. SBA 7(a) and 504 FOIA loan-level extracts, as of 31 March 2026. FY2021–FY2025 approvals with status CANCLD, CANCELED or NOT FUNDED excluded.

    NAICS matching. Six-digit NaicsCode as recorded at approval. Where a category spans multiple codes — gas stations under both the 2017 and 2022 NAICS revisions, assisted living under two codes — counts are combined and all codes listed.

    Startup share. Proportion of 7(a) loans in the category recorded as Startup, Loan Funds will Open Business. The 504 file records business age on a different basis and is excluded from this column.

    Inclusion threshold. Categories with 50 or more combined originations.

    Download the data

    The trigger reference — every special-purpose category with its NAICS codes, loan counts by programme, average loan size and startup share — is available as a CSV.

    Licence. This reference may be reproduced, analysed and republished, in whole or in part, for any purpose including commercial use, provided that sba-feasibility-study.com is credited as the source with a link to this page.

    Frequently asked questions

    Sources

    1. US Small Business Administration, SOP 50 10 8, Lender and Development Company Loan Programs, effective 1 June 2025.
    2. US Small Business Administration, Policy Notice 5000-876441, update to SOP 50 10 8, effective 1 March 2026.
    3. US Small Business Administration, 7(a) and 504 FOIA loan-level data, as of 31 March 2026.

    Reference compiled by the research team at sba-feasibility-study.com. Regulatory detail current as at the date below; verify against the SOP before relying on it. Last updated: 28 July 2026.

    Related research

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