By James Hamon, Vice President, Appraisal Services — The Ambrose Group Certified General Real Estate Appraiser (Texas) | Licensed Property Tax Consultant
What is USPAP? It stands for the Uniform Standards of Professional Appraisal Practice, the rulebook that governs how an appraiser must conduct an assignment and report the result. The Appraisal Standards Board of The Appraisal Foundation writes it, and Texas law requires licensed and certified appraisers to follow it when they appraise, with narrow exceptions.
Most owners meet it only as a line on a report. If you’ve ever wondered why an appraiser asked who the report was for, or why a broker’s number and an appraiser’s number didn’t match, USPAP is most of the answer. I’m a real estate appraiser, so it isn’t optional for me. I’d rather you know what you’re getting. For the full picture of how an appraisal comes together under these standards, our real estate appraisal guide walks through the whole process.
Key takeaways
- USPAP is the generally recognized ethical and performance standard for appraisers in the United States. It governs how the work is done and disclosed. It is not a formula for value.
- The current edition is the 2024 Edition, effective January 1, 2024. It has no fixed expiration date, which is why articles describing two-year editions are out of date.
- In Texas, licensed and certified appraisers must follow the most current edition, with narrow exceptions. The Texas Appraiser Licensing and Certification Board (TALCB) investigates noncompliance.
- In practice USPAP means independence, a stated scope of work, competence in the property type, no predetermined values, and a retained workfile.
- That separates an appraisal from a broker opinion or an online estimate, and it’s why courts, lenders, and tax authorities lean on it.
What USPAP is, and who writes it
USPAP covers real estate appraisal and other disciplines, including personal property, business valuation, and mass appraisal. The Appraisal Foundation, authorized by Congress as the source of appraisal standards and appraiser qualifications, publishes it, and the Foundation’s Appraisal Standards Board (ASB) writes and updates it.
It grew out of the savings and loan crisis of the 1980s, when trust in appraisals and lending had worn thin. The idea was simple: if every appraiser works to the same standard, a lender, a court, or an owner can rely on the report without trusting the person alone.
USPAP sets standards for conduct, competence, and reporting. Two appraisers can follow every rule and still reach different, defensible conclusions. What the standards require is that each one shows the work.
The current edition, and why the dates you read online disagree
Older articles will tell you USPAP is rewritten every two years. That was true. It isn’t anymore.
Per The Appraisal Foundation, the current edition is the 2024 Edition, effective January 1, 2024, with no fixed end date. The ASB now updates USPAP as needed, and any change follows a published exposure draft and a public vote. The advisory opinions and FAQs that used to be bound into USPAP now live in a separate Guidance and Reference Manual, which the Foundation has issued in a 2026 edition.
That last point trips people up. In April 2026 the ASB adopted Advisory Opinion 41 on the use of technology in an appraisal or appraisal review assignment. It is guidance for a future edition of the manual, not a change to the Standards themselves. Appraisers also still take a 7-hour USPAP update course every two calendar years, which is why “2026-2027” shows up on course listings even though the book hasn’t changed.
If a source gives a different edition or date, check The Appraisal Foundation’s USPAP page. It is the authority.
Who has to follow it in Texas
Texas law answers this directly. Under Texas Occupations Code §1103.405, a certified or licensed appraiser must follow the most current edition of USPAP, or other standards set by TALCB rule that are at least as stringent. The statute carves out two narrow categories: certain evaluations of real property and certain analyses prepared for non-bank financial institutions. Those documents must say on page one that they are not USPAP appraisals.
The Texas Appraiser Licensing and Certification Board enforces it. TALCB takes complaints about USPAP noncompliance, licensing violations, and unlicensed appraisal activity. It cannot investigate a complaint that is only about the value. If you simply disagree with a number, ask the appraiser to reconsider it based on new information. In a mortgage transaction, only the lender can make that request.
Federal law matters too. The Financial Institutions Reform, Recovery, and Enforcement Act of 1989 is why USPAP became the reference standard in federally related transactions, and Texas’s licensing statute was written to conform to it.
What USPAP asks of an appraiser, in plain terms
The rules come in a few parts. Each one has a practical meaning for you.
- The Ethics Rule: independence. Appraisers must act with impartiality, objectivity, and independent judgment. They cannot accept an assignment where their pay depends on a predetermined result, and they must disclose prior services they’ve performed on the same property within the previous three years. The 2024 Edition added nondiscrimination language. For you: the value doesn’t change with who is paying. If anyone suggests a fee depends on the number, that’s a red flag.
- The Competency Rule. The appraiser must have the knowledge and experience for the property and the market, or disclose the gap and fix it before accepting the work. For you: ask whether they’ve done this property type before.
- The Scope of Work Rule. The appraiser, not the client, decides what research and analysis is needed for a credible result, and then discloses it. For you: this is why I ask what the appraisal is for. Intended use and user shape the assignment.
- The Record Keeping Rule. The appraiser must keep a workfile for at least five years after preparing the report, or at least two years after the final disposition of any judicial proceeding in which they testified about it, whichever expires last. For you: the reasoning behind a number still exists years later.
- The Jurisdictional Exception Rule. If a law makes a specific USPAP provision impossible to follow, the appraiser follows the law and says so in the report.
None of this is complicated. It is the difference between a conclusion and a conclusion you can inspect.
How USPAP separates an appraisal from a broker opinion or an online estimate
I explain market value like a game of Family Feud: one question on the board, a hundred families surveyed, and the job is to find the number-one answer. A broker, an automated model, and an appraiser can each give you an answer. Only the appraiser’s has to show how the survey was run.
In Texas, a real estate license holder may not appraise or give an opinion of value unless licensed or certified under the appraiser statute. A broker price opinion or comparative market analysis must carry a written statement under 22 Texas Administrative Code §535.17 saying it is an estimated sale price and not the same as the opinion of value in an appraisal developed by a licensed appraiser under USPAP. That is useful for pricing a listing, not for a courtroom.
An automated estimate is different again. It runs public data through a model, usually without anyone setting foot on the property. It can be a reasonable starting point. But it has no certifying signer, no stated intended use, no scope of work, and no workfile, and no licensed individual a board can hold to account. Cost doesn’t always equal value, and a free number isn’t always one you can use.
Why it matters in lending, litigation, and tax
Lending. For federally related transactions, lenders require a USPAP-compliant appraisal from a licensed or certified appraiser, and the lender, not the borrower, typically orders it. That protects the independence that is the point.
Litigation. When someone with every reason to challenge a valuation tests it, the standards give the court and opposing counsel a yardstick. A report with a stated scope, a documented process, and a retained workfile can be examined step by step, which is what real estate litigation support depends on.
Tax. Under Texas Tax Code §41.43, when an owner files a state-certified appraiser’s sworn appraisal supporting a value on property the district values at $1 million or less, the appraisal district carries a heavier burden of proof. The statute requires the appraisal to state that it follows USPAP. Separately, IRS guidance on qualified appraisals for charitable gifts has long treated consistency with the substance and principles of USPAP as one way to meet “generally accepted appraisal standards.”
One note on roles. When I appraise, I advocate for no one, and USPAP is why that line is a rule and not a preference. When our team consults on a property tax protest, that is a different assignment, and there we advocate hard for the owner. We keep the two separate.
What USPAP can’t do
I’d be overselling if I stopped there. USPAP doesn’t set a price, doesn’t guarantee that two compliant appraisers will agree, and doesn’t guarantee an outcome.
If a value surprises you, ask for the reasoning as well as the number. A credible report shows its work. Another appraiser can also review it, testing the work against the standards without producing a new value from scratch.
Frequently asked questions
What does USPAP stand for? Uniform Standards of Professional Appraisal Practice, the generally recognized ethical and performance standard for the appraisal profession, written by the Appraisal Standards Board of The Appraisal Foundation.
Is USPAP a law? Not by itself. A private foundation writes it, and it gains legal force because laws, regulations, and contracts require it. In Texas, Occupations Code §1103.405 requires licensed and certified appraisers to follow it, with narrow exceptions.
Who enforces USPAP? State appraiser boards enforce it against their licensees. In Texas that is TALCB, which handles noncompliance complaints but cannot investigate one solely about value. The Appraisal Standards Board writes USPAP but does not enforce it.
How often is USPAP updated? As needed. The current edition is the 2024 Edition, effective January 1, 2024, with no fixed expiration date. The two-year cycle ended. Changes follow an exposure draft and a public vote.
Is a broker price opinion or an online value estimate USPAP-compliant? No. In Texas, a broker price opinion or comparative market analysis must state in writing that it is an estimated sale price, not the same as an appraiser’s opinion of value under USPAP. An online estimate is a model’s output, with no appraiser certifying it.
If you’re not sure whether you need a full appraisal, a review, or something lighter, that’s a normal question, and no question about this is too basic. If you already hold a report and want a second set of eyes on it, that’s our appraisal review service. If you’re starting from scratch, tell us what you’re trying to accomplish and we’ll point you to the right assignment, not the most expensive one. Talk to our team.
Sources: The Appraisal Foundation, USPAP page; Texas Occupations Code §1103.405; Texas Appraiser Licensing and Certification Board complaint guidance; 22 Texas Administrative Code §535.17; Texas Tax Code §41.43; IRS Notice 2006-96; all reviewed October 2026. Confirm the edition in effect with The Appraisal Foundation before relying on this post. Nothing here is legal, tax, or appraisal advice for your specific property or situation, and no value or outcome is guaranteed.
James Hamon is Vice President of Appraisal Services at The Ambrose Group, where he has spent his entire 21-year career. A Certified General Real Estate Appraiser and Licensed Property Tax Consultant in Texas, James specializes in complex valuations for litigation — with a particular focus on family law — and has testified as an expert witness in cases where an appraisal has to withstand full cross-examination. His work is built on a principle he won’t bend on: the valuation is the valuation, no matter who’s paying for it.