The standard requirements to become a firefighter include a high school diploma or GED, a valid driver’s license, minimum age of 18 to 21 depending on the department, passing a physical ability test, and meeting background and medical standards. Certifications — particularly Firefighter I/II and EMT — are required or strongly preferred by most career departments.
Basic Eligibility Requirements
Most departments require applicants to hold a high school diploma or GED, be a U.S. citizen or have legal authorization to work, hold a valid driver’s license with an acceptable driving record, and meet the department’s age minimum (typically 18 or 21) by the application date. Some departments impose a maximum age limit — often 35 — for entry-level career positions, particularly in departments with defined-benefit pension systems. Age limits and eligibility criteria can vary significantly from one jurisdiction to another.
Physical and Medical Standards
Physical fitness is a core requirement. Most departments use the Candidate Physical Ability Test (CPAT), a standardized pass/fail assessment that simulates fireground tasks — stair climbing in gear, hose dragging, equipment carrying, ladder raising, forcible entry, search, rescue, and ceiling breach. Candidates must complete all eight events within the time limit. After a conditional offer, a medical examination reviews cardiovascular health, vision, hearing, lung function, and the absence of conditions that would prevent safe firefighting. Color blindness disqualifies candidates in some departments.
Certification Requirements
Most career departments require Firefighter I and II certification (based on NFPA 1001 standards) either before application or as a condition to be met before the academy begins. EMT certification is required by a growing number of departments, particularly in Florida where combined fire-EMS responses are standard. Hazmat Operations certification at the operations level (NFPA 472) is required or expected in many departments as well. These certifications must be issued by a state-recognized authority.
Background and Character Standards
A thorough background investigation is standard. Departments review criminal history, driving record, credit history (in some jurisdictions), employment history, and personal references. Felony convictions are disqualifying in virtually all cases. Misdemeanor convictions are evaluated individually — their severity, recency, and relevance to public trust matter. Candidates who have used marijuana may be disqualified depending on the department’s policy and the recency of use; policies vary considerably and are evolving as more states change marijuana laws. Dishonesty during the application process is typically more disqualifying than the underlying issue being concealed.
Written Examination
Career departments typically administer a written exam that tests reading comprehension, mathematical reasoning, mechanical aptitude, and sometimes fire science knowledge. The exam is often administered by a civil service board or a testing organization like NTN (National Testing Network). Scores are ranked, and candidates near the top of the eligibility list are called forward for subsequent stages. Preparation through practice exams is strongly recommended.
What Varies by Department and State
Florida has its own firefighter certification process administered by the Bureau of Fire Standards and Training (BFST), which sets baseline standards that all Florida departments follow. Individual departments may add requirements above the state minimum. Some departments require a paramedic license rather than EMT. Others conduct oral board interviews and psychological evaluations as part of the hiring process. The requirements of your specific target department — not a generic national list — are the ones that matter. Reviewing the most recent job announcement for a department is always the authoritative source.
For context on how long meeting these requirements typically takes, see our guide on how long it takes to become a firefighter and the breakdown of whether a college degree is required. The full firefighter career overview is at our firefighter guide.