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PE (Professional Engineer)
What is PE (Professional Engineer)?
A licensed engineer who has met education, experience, and examination requirements to practice engineering and stamp engineering documents.
Description
A PE (Professional Engineer) is a licensed engineer who has met specific education, experience, and examination requirements established by state licensing boards to practice engineering and provide engineering services to the public. Professional Engineers have the legal authority to stamp and seal engineering documents, take responsibility for engineering designs and calculations, and provide expert engineering opinions that affect public safety, health, and welfare. The PE license represents the highest standard of competence in the engineering profession and is required for engineers who offer services directly to the public or take legal responsibility for engineering work in construction, infrastructure, and other projects that impact public safety.
PE licensing requirements typically include completion of an ABET-accredited engineering degree or equivalent education that provides fundamental engineering knowledge and principles, passing the Fundamentals of Engineering (FE) exam which tests basic engineering knowledge and is usually taken near graduation, gaining four years of progressive engineering experience under the supervision of a licensed PE who can verify the candidate’s competence and professional development, and passing the Principles and Practice of Engineering (PE) exam in a specific engineering discipline that demonstrates competency to practice independently. Additional requirements may include continuing education, ethics training, and adherence to professional codes of conduct.
Professional Engineers work in various disciplines and specialties including civil engineering for infrastructure projects such as roads, bridges, water systems, and buildings, structural engineering for the design and analysis of building and bridge structures, mechanical engineering for HVAC systems, machinery, and industrial processes, electrical engineering for power systems, lighting, and electronic controls, environmental engineering for water treatment, waste management, and environmental remediation, and geotechnical engineering for foundation design and soil analysis. Each discipline requires specialized knowledge and may have separate PE examinations and continuing education requirements.
FAQs
What is a PE (Professional Engineer)?
A PE is a licensed engineer who has met specific education, experience, and examination requirements to practice engineering and provide services to the public with legal authority to stamp engineering documents.
What are the requirements to become a PE?
Requirements typically include an engineering degree, passing the FE exam, four years of experience under a licensed PE, and passing the PE exam in a specific discipline.
What can a PE do that other engineers cannot?
PEs can stamp and seal engineering documents, take legal responsibility for engineering work, and provide services directly to the public in most jurisdictions.
Do all engineers need to be PEs?
No, engineers working in industry under corporate exemptions may not need PE licenses, but those offering services to the public or stamping documents typically do.
How long does it take to become a PE?
It typically takes 4–6 years after graduation, including the time to gain required experience and pass the PE exam.
Can PEs practice in any state?
PEs must be licensed in each state where they practice, though many states have reciprocity agreements that facilitate licensing in multiple states.
What continuing education do PEs need?
Most states require 15–30 hours of continuing education every 1–2 years to maintain PE licensure, with specific requirements varying by state.
Fun Fact
Fun Fact: The first engineering license law was enacted in Wyoming in 1907 following a dam failure, establishing the precedent for professional engineering licensure to protect public safety that continues today.
Links
CSI Code
01 40 00
NAHB Code
170







