Professional licensing is the state-run system that requires workers in certain occupations to prove their training, pass exams, and follow conduct rules before they can legally practice. About 21.6% of employed Americans hold a government-issued professional license, according to 2025 Bureau of Labor Statistics data.1Bureau of Labor Statistics. Certification and Licensing Status of the Employed by Occupation The system reaches fields as different as medicine, law, cosmetology, and plumbing, and the specifics vary sharply by profession and state.
Who Regulates Licensed Professions
Each regulated field has a licensing board that decides who can enter the profession and polices conduct afterward. Boards usually mix working professionals with public members who sit outside the industry, which is meant to keep the body from acting as a trade group. Members are generally appointed by the governor to fixed terms.
A board approves applicants, writes the detailed rules of practice, investigates complaints, and imposes discipline. National organizations may build the standardized exams or specialty credentials, but the license itself almost always comes from the state.
Where the Authority Comes From
States regulate professions under the “police power” reserved to them by the Tenth Amendment, which lets them pass laws protecting public health, safety, and welfare.2Legal Information Institute. Police Powers A state legislature exercises that authority through a practice act, a statute that defines what a given profession is and sets the baseline rules for practicing it. The legislature then delegates rulemaking to the board, which fills in the details on continuing education, advertising, record-keeping, and the like. Those regulations carry the force of law so long as the board stays within what the practice act allows.
What It Takes To Get Licensed
Requirements differ by profession, but most paths run through the same four gates: approved education, one or more exams, supervised experience, and a background check.
Education
Most boards want a degree from a program accredited by a body they recognize. The accreditor depends on the field. Social work programs look to the Council on Social Work Education; nursing programs answer to accreditors recognized by state nursing boards. A program that qualifies you in one state does not automatically qualify you in another, so verify with the target state’s board before you enroll.
Examinations
Almost every licensed profession requires passing a standardized exam, usually developed by a national organization rather than the state board. Fees vary. The National Physical Therapy Examination costs $485 and covers only the exam, with the state charging separately for the license application.3Federation of State Boards of Physical Therapy. Exam Registration and Payment The occupational therapy certification exam runs $540 for an online application.4NBCOT. Fees Exam fees across professions commonly range from around $200 to more than $1,000.
Supervised Experience
Many fields require a period of supervised practice. Medical residencies run three to seven years depending on specialty. Psychologists typically need one to two years of postdoctoral supervised hours. Counselors and social workers often complete two to three years of post-degree clinical supervision.
Background Check
Boards generally require fingerprinting and a criminal background check, with fees usually $50 to $100. Applications also ask about past disciplinary actions, malpractice claims, or substance abuse history. A criminal record is not automatically disqualifying in most jurisdictions; boards weigh whether the offense relates to the work and how long ago it happened. Failing to disclose something the board later uncovers tends to cause more trouble than the underlying issue would have.
Applying for a License
Most boards now take applications through online portals where you upload transcripts, exam scores, and verifications. A few still accept paper applications by certified mail. Application fees typically run $100 to $500 and are nonrefundable, even if the board denies you. Processing takes roughly four to twelve weeks for a complete file. Incomplete submissions get sent back, and the clock resets when you refile.
If Your Application Is Denied
Under 5 U.S.C. ยง 558, a federal agency must process license applications within a reasonable time and complete any required proceedings.5Office of the Law Revision Counsel. 5 USC 558 – Imposition of Sanctions If a board denies you, you generally have the right to an administrative appeal, and most states expect you to exhaust that process before going to court. An applicant harmed by agency action is also entitled to judicial review under the federal Administrative Procedure Act, and state APAs offer parallel routes. If your livelihood turns on the license, bringing in a lawyer early in the appeal is usually worth the cost.
Keeping Your License Active
Getting licensed is not the end of the process. Every state requires periodic renewal, and nearly all licensed professions tie renewal to continuing education.
Continuing Education
Specifics vary by profession and state, but most boards require 20 to 40 hours of continuing education per renewal cycle, which is typically two years. A portion of those hours often has to cover specific topics like ethics or cultural competency. Boards audit licensees periodically; falling short can delay renewal or trigger discipline. Keep your completion certificates for at least five years, the usual records window.
Renewal Fees and Deadlines
Renewal fees commonly fall between $100 and $300 per cycle. Late renewals almost always carry a penalty, often half to one full renewal fee on top of the regular amount. Letting the license lapse entirely is a bigger problem: practicing on an expired license carries the same legal risk as practicing without one, including discipline, fines, or criminal charges depending on the state. Clients served during a lapse may also have grounds for civil claims.
Inactive Status
If you need to step away from the field for a stretch, most states let you place the license on inactive status. That freezes the expiration clock and waives continuing education while you’re inactive. You cannot practice during that time, but reactivation is far easier and cheaper than starting over. The rules differ by state, so check with the board before you count on the option.
Moving to Another State
Portability is one of the hardest parts of licensing. Because each state issues its own licenses under its own rules, relocating usually means a new application in the new state. Three mechanisms soften the blow.
Universal Recognition
Roughly 20 states have passed universal recognition laws that honor out-of-state licenses across professions when certain conditions are met: a license in good standing, no pending discipline, and no disqualifying criminal history. Even then, you may still pay fees or sit for a state-specific exam.
Interstate Compacts
Compacts are agreements between states that create faster pathways for licensed professionals to work across state lines. As of January 2026, at least 19 compacts cover fields including medicine, nursing, cosmetology, teaching, and social work.6Defense-State Liaison Office. List of Occupational Licensure Compacts Membership varies:
- The Nurse Licensure Compact covers 43 jurisdictions and lets nurses hold one multistate license.7National Council of State Boards of Nursing. NLC States
- The Interstate Medical Licensure Compact includes 43 member states and 2 U.S. territories, offering physicians an expedited path to licensure in multiple states.8Interstate Medical Licensure Compact. Physician License
- The Counseling Compact has 39 states.9Counseling Compact Commission. Counseling Compact Map
Compacts don’t replace state licensing; they create a quicker route to it. Each has its own eligibility rules and fees. If your field has a compact, check whether both your current and destination states are members before you start a standard application.
Military Families
Service members and their spouses face moves on orders that make portability especially painful. Under the Servicemembers Civil Relief Act, a covered license held by a service member or spouse is treated as valid in a new state when the move follows military orders.10U.S. Department of Justice. 2025 Update – Portability of Professional Licenses You need a license in good standing with no pending investigations, proof of orders, and a notarized affidavit to the new state’s licensing authority. Spouses must include a marriage certificate. If you already hold an interstate compact license, the compact’s rules govern instead of the SCRA portability provisions.11Congress.gov. HR 2650 – Military Spouse Licensing Relief Act of 2021
Discipline and Oversight
Boards keep investigating long after they issue a license. Complaints can come from patients, clients, employers, or other professionals. If one has merit, the board opens a formal investigation that can lead to sanctions. Actions typically escalate with severity:
- A letter of concern. An informal warning that in most states stays off the public disciplinary record but signals board attention.
- A formal reprimand. A public censure that lands on your permanent record and often appears in online license-verification databases.
- Fines. Administrative penalties that can run from a few hundred dollars to over $10,000 per violation.
- Probation or practice restrictions. The board can limit your services, add supervision, or require remedial training.
- Suspension. Your license is pulled for a set period, and you cannot practice during that time.
- Revocation. The board permanently cancels the license. Some states allow a reinstatement petition after a waiting period, but the standard is high.
Before a board can suspend or revoke, federal law requires written notice of the specific conduct at issue and an opportunity to demonstrate or achieve compliance, unless the case involves willful misconduct or a direct threat to public health or safety.5Office of the Law Revision Counsel. 5 USC 558 – Imposition of Sanctions In practice, you get a hearing before an administrative law judge or the board itself, with witnesses, documents, and arguments.
Practicing Without a License
Working in a licensed field without the required credential exposes you to criminal charges, civil liability, and the loss of money you earned doing the work. Ignorance of the requirement is rarely a defense.
Criminal Penalties
Unlicensed practice is a crime in every state. A first offense is typically a misdemeanor carrying up to six months to one year in jail and fines of $1,000 to $5,000. Several states escalate repeat offenses to felonies with prison terms of up to five years. A few states treat even a first offense as a felony in certain professions, particularly medicine and law.
Civil and Financial Fallout
The criminal exposure is often the smaller problem. Courts in many states hold that contracts entered into by an unlicensed practitioner are void and unenforceable, so you cannot sue to collect for the work. In some jurisdictions you can be forced to return what clients already paid, a remedy called disgorgement. Clients or patients harmed by unlicensed work can sue in civil court, and the absence of a license is strong evidence of negligence. Some states apply strict compliance, meaning work done before you were licensed stays tainted even if you later obtain the credential.
How Licensing Affects Workers and Consumers
Licensing shapes labor markets as well as individual careers. A 2015 White House report found that licensing laws lead to wages 10% to 15% higher for licensed workers than for unlicensed workers in similar roles, after controlling for education and training.12The White House. Occupational Licensing – A Framework for Policymakers Part of that premium reflects the investment in education and exams; part reflects reduced competition from people who cannot clear the hurdle.
The same report found that interstate migration among workers in the most heavily licensed occupations ran about 14% lower than among workers in the least licensed fields, with the gap widening to 20% for workers under 35.12The White House. Occupational Licensing – A Framework for Policymakers Nine of eleven studies the report reviewed found that stricter licensing raised prices, while only two of twelve found measurable quality improvements. That gap between higher costs and flat quality outcomes drives most of the current debate over licensing reform.