What a PE license is and why you need one
A Professional Engineer (PE) license lets you legally sign off on engineering work, take on clients directly, and use the title "Professional Engineer" in your state. You cannot stamp plans, certify designs, or offer engineering services to the public without one. Most states require a PE license if you want to work as an independent consultant or run an engineering firm.
The path takes roughly four to six years from start to finish, depending on your education and work history. You will need a four-year engineering degree, pass two exams, and complete a set number of years working under a licensed engineer. The timeline can shorten if you already have a graduate degree or relevant work experience.
Each state runs its own licensing board and sets its own rules, though most follow the same general structure. The National Council of Examiners for Engineering and Surveying (NCEES) writes the exams and manages the records, but your state board makes the final decision on whether you are licensed.
Key Takeaways
- You need a four-year engineering degree from an ABET-accredited program, four years of work experience under a licensed PE, and passage of two exams: the Fundamentals of Engineering (FE) exam and the Professional Engineer (PE) exam.
- You can take the FE exam while still in school or right after graduation; you do not have to wait until you have work experience.
- Work experience must be documented and verified by your employer, and the timeline varies by state—some require four years, others require more if your degree is not from an ABET program.
- Your state engineering board is where you submit your process, pay fees, and receive your license; NCEES handles exam administration and score reporting.
- Reciprocity between states exists but is not automatic—if you move, you may need to file a new process with the new state's board.
Step 1: Earn an ABET-accredited engineering degree
Your engineering degree must come from a program accredited by ABET (Accreditation Board for Engineering and Technology). This is a hard requirement in every state. If your degree is from a non-accredited program, you will need additional work experience—usually two extra years—to make up for it, and some states will not accept it at all.
The degree itself can be in any engineering discipline: civil, mechanical, electrical, chemical, software, structural, or dozens of others. Your state board will not care which type, as long as the program is ABET-accredited. You can check whether a specific program is accredited on the ABET website before you enroll.
If you already have a degree from a non-accredited program, you have two paths: pursue a master's degree from an accredited program (which may count as equivalent to the bachelor's degree requirement in some states), or complete the extra work experience your state requires. Contact your state's engineering board to find out which option applies to you.
Step 2: Pass the Fundamentals of Engineering (FE) exam
The FE exam is the first licensing exam. You can take it while you are still in school (usually in your final year) or when ready after graduation. You do not have to wait until you have work experience. The exam is six hours long, covers broad engineering topics, and is offered year-round at testing centers.
You register for the FE exam through your state's engineering board or through NCEES, depending on your state's process. The board will tell you the current fee (typically between $200 and $400), the registration important date, and which testing centers are available near you. You will need to bring a valid ID and a calculator approved for the exam.
After you pass the FE exam, NCEES sends your score to your state board, and you become an Engineer in Training (EIT) or Engineer Intern (EI)—the exact title varies by state. This status is important because it documents that you have passed the first exam and are working toward licensure. Keep your EIT certificate; you will need it when you explore for the PE exam.
Step 3: Complete required work experience under a licensed PE
After passing the FE exam, you must work under the direct supervision of a licensed PE for a set number of years. Most states require four years, though some require five or more if your degree is not ABET-accredited. A few states allow you to count some work experience before you pass the FE exam, so check your state board's rules.
Your work must be in engineering—design, analysis, consulting, or project management that involves engineering judgment. Routine drafting, data entry, or construction observation alone usually does not count. Your supervisor (the licensed PE) must be able to document that you worked under their direct supervision and performed engineering work.
Keep records of your work experience as you go: job titles, dates, descriptions of projects, and the name and license number of the PE who supervised you. When you explore for the PE exam, you will need to list all of this on your process, and your state board will contact your supervisors to verify it. If the records are incomplete or supervisors cannot be reached, your process will be delayed or denied.
Step 4: Pass the Professional Engineer (PE) exam
Once you have completed your work experience, you can register for the PE exam. This is the final licensing exam. It is eight hours long, focuses on your specific engineering discipline, and is offered twice a year (usually in April and October). You must pass the FE exam first; you cannot take the PE exam without an FE pass on record.
Registration happens through your state's engineering board. You will submit proof of your work experience, your FE exam results, and your engineering degree. The board reviews your process to confirm you meet the requirements. This review can take four to eight weeks. Only after the board approves your process will you be allowed to register for the exam.
The PE exam is harder than the FE and requires deeper knowledge of your discipline. Most people study for two to four months using review courses, practice exams, and study guides. NCEES publishes official practice exams for most disciplines, and many private companies offer review courses (some free, some paid).
Step 5: explore for your PE license with your state board
After you pass the PE exam, NCEES sends your score to your state board. The board then reviews your complete file—your education, work experience, and exam scores—and makes a final decision. If everything is in order, the board issues your PE license.
The license is specific to your state. If you move to another state, you do not automatically have a license there. You can explore for reciprocal licensure (sometimes called "comity"), which is faster than starting over, but it still requires a separate process to the new state's board. Some states have reciprocity agreements that make this easier; others do not.
Your PE license will have an expiration date, usually three to five years out. You will need to renew it before it expires by paying a renewal fee and, in most states, completing continuing education hours. Your state board will send you a renewal notice before the important date.
Timeline and costs
The entire process typically takes four to six years from the time you start your engineering degree. If you already have a degree and work experience, it can be faster—as little as one to two years if you only need to pass the exams and wait for approval.
Costs vary by state and include exam fees (typically $200 to $400 per exam), process fees (typically $100 to $300), and renewal fees (typically $100 to $400 every few years). Some employers pay for exam fees and review courses; many do not. Study materials and review courses range from free to several hundred dollars depending on what you choose.
The biggest cost is time: four years of work experience under a licensed PE is a requirement you cannot skip. Some states allow you to count graduate-level engineering work or teaching experience toward this requirement, which can shorten the timeline slightly. Check your state board's rules to see what counts.
Frequently Asked Questions
Can I take the PE exam before I finish my four years of work experience?
No. You must complete the required work experience before your state board will let you register for the PE exam. Some states allow you to explore for the exam a few months before you finish, so the timing works out, but you cannot sit for the exam until the experience is documented and verified.
What if I have a degree from outside the United States?
Your degree must be evaluated by an approved credential evaluation service to determine if it is equivalent to a U.S. engineering degree. Some states accept certain degrees automatically; others require the evaluation. Contact your state board before you start the process. If your degree is not deemed equivalent, you may need additional work experience or a U.S. master's degree.
Do I have to work in the same engineering discipline as my degree?
Not necessarily. You can work in a different discipline as long as the work is engineering and you are supervised by a licensed PE. However, when you take the PE exam, you will choose a specific discipline, and your work experience should be relevant to that discipline. If it is not, your state board may ask for clarification.
What happens if I fail the PE exam?
You can retake it. Most states let you retake the exam as many times as you need, though you will have to pay the exam fee each time. You do not need to redo your work experience or reapply to the board—you just register for the next exam sitting and try again.
Can I use my PE license in other states?
Your license is issued by one state, but you can use it to work on projects in other states. If you want to officially practice engineering in another state, you need to explore for licensure there. Many states offer reciprocal licensure, which is faster than a new process, but you still need to file paperwork with the new state's board.