What a California bus driver license is and who needs one

A California bus driver license is a commercial driver's license (CDL) with a passenger (P) endorsement. You need it to drive any bus that carries more than 15 people, including the driver. This covers school buses, transit buses, tour buses, and shuttles.

If you drive a bus with 15 or fewer passengers, you can use a regular Class C driver's license. If you drive a bus with 16 or more passengers, California law requires the CDL with P endorsement — there is no exception for part-time work or volunteer driving.

The P endorsement is separate from other CDL endorsements like the school bus (S) endorsement. You can hold both, but the P endorsement alone covers any passenger bus.

Key Takeaways

  • You must hold a valid California Class C driver's license for at least one year before you can take the CDL written test.
  • The CDL process includes a written knowledge test, a skills test (pre-trip inspection, basic control, and on-road driving), and a medical examination by a certified examiner.
  • You will pay separate fees for the CDL written test, the skills test, and the medical exam — costs vary by testing location and examiner.
  • California requires fingerprinting and a background check for all CDL holders, which can take several weeks to clear.
  • Once you pass the skills test, the DMV issues a temporary CDL permit valid for 180 days while your background check completes.

Step-by-step process to obtain a California bus driver CDL

The path to a bus driver license takes several months and involves the California Department of Motor Vehicles (DMV), a third-party testing facility, and a medical examiner.

Step 1: Hold a valid Class C license for one year. You must have a clean, active California driver's license and have held it for at least 12 months before you can even take the CDL written test. If you have a suspended or revoked license, you must restore it first.

Step 2: Complete a CDL instruction permit process. Visit a DMV office and fill out Form DL 44 (process for Driver's License or Identification Card) or Form DL 44-OL if explore online. You will also complete Form DLSE 34 (Commercial Driver's License process). Bring your current Class C license, proof of residency, and your Social Security number or ITIN.

Step 3: Pass the CDL written knowledge test. The DMV administers this test at their offices. You will answer questions about passenger bus operation, safety, braking, cargo handling, and hazardous materials (even though you may not carry hazmat, the test covers it). You must score at least 80% to pass. The test costs a fee set by the DMV; check your local office for the current amount.

Step 4: Schedule a medical examination. You must be examined by a certified medical examiner on the National Registry of Certified Medical Examiners. The examiner checks your vision, hearing, blood pressure, and overall fitness to drive. You will receive a Medical Certificate (Form MCSA-5875) if you pass. This exam is not free; examiners set their own fees, typically $50 to $150.

Step 5: Schedule a CDL skills test with a third-party tester. California allows approved private testing facilities to administer the skills test. You cannot use the DMV for this part. Search the DMV website for "third-party testers" in your county to find locations and availability. The skills test includes three parts: pre-trip vehicle inspection, basic vehicle control (backing, turning, parking), and a 30-minute on-road driving test. The fee varies by tester, typically $100 to $300 for all three parts combined.

Step 6: Pass the skills test. You must pass all three components on the same day or schedule them across multiple days with the same tester. If you fail any part, you can retake it, but you pay the full fee again.

Step 7: Submit to fingerprinting and background check. After you pass the skills test, the DMV sends you to an approved fingerprinting location (often a local police station or a private vendor). You will be fingerprinted for a California Department of Justice (DOJ) and Federal Bureau of Investigation (FBI) background check. This step is mandatory and cannot be skipped. The fingerprinting itself is usually free or costs $10 to $20, but the background check can take 2 to 8 weeks.

Step 8: Receive your temporary CDL. Once you pass the skills test, the DMV issues a temporary CDL permit valid for 180 days. You can drive a bus during this period while your background check is being processed. This temporary permit is not a full license — it expires in six months.

Step 9: Receive your permanent CDL. When the background check clears, the DMV mails you your permanent CDL with the P endorsement. If the background check reveals disqualifying offenses, the DMV will deny your CDL and notify you in writing.

Medical examination requirements and disqualifying conditions

The medical exam is not optional and not a formality. A certified medical examiner will test your vision, hearing, blood pressure, and ability to operate a bus safely. You must meet federal standards set by the Federal Motor Carrier Safety Administration (FMCSA).

Common disqualifying conditions include uncorrected vision worse than 20/40 in each eye, hearing loss that prevents you from hearing a whisper at three feet, uncontrolled high blood pressure, diabetes requiring insulin (in some cases), and certain heart conditions. If you take medications that impair alertness, you may be disqualified. If you have a history of seizures, loss of consciousness, or sleep apnea, the examiner will likely refer you to a specialist before clearing you.

If you have a medical condition you are unsure about, contact a certified medical examiner before scheduling your formal exam. Many will do a brief phone consultation to tell you whether your condition is likely to disqualify you. This can save you the exam fee if you know you will not pass.

Background check and disqualifying offenses

California and federal law prohibit certain people from holding a CDL. The background check looks for felony convictions, traffic violations, and other disqualifying events.

You will be disqualified if you have a conviction for a felony involving the use of a motor vehicle, a felony involving drugs or alcohol, or a felony involving violence. You will also be disqualified if you have been convicted of leaving the scene of an accident, driving under the influence (DUI or DWI), reckless driving, or driving with a suspended or revoked license within the past three years. Multiple traffic violations in a short period can also trigger disqualification.

If you have a criminal record, contact the DMV before you begin the CDL process. They can tell you whether your specific conviction will disqualify you. Some convictions may be old enough that they no longer count against you; others are permanent bars.

Costs and timeline for California bus driver license

The total cost of obtaining a California bus driver CDL varies, but here is what to expect:

StepCostNotes
CDL written testVaries by DMV officeCheck your local DMV for the current fee; typically $20 to $50
Medical examination$50 to $150Set by the individual certified examiner; not covered by DMV
Skills test (all three parts)$100 to $300Set by the third-party tester; varies widely by location
Fingerprinting$0 to $20May be free at police stations; private vendors may charge
CDL license feeVaries by DMV officePaid when you receive your permanent CDL; typically $30 to $60
Total estimated range$200 to $580Actual cost depends on your location and the tester you choose

The timeline from start to finish is typically 4 to 6 months. The longest delay is usually the background check, which can take 2 to 8 weeks after you pass the skills test. If you fail the skills test and need to retake it, add another 2 to 4 weeks to schedule and complete the retest.

Renewing and maintaining your California bus driver CDL

A California CDL is valid for five years from the date it is issued. You must renew it before it expires or you cannot legally drive a bus.

To renew, you must pass a new medical examination within 14 months before your CDL expires. You do not have to retake the written test or skills test unless the DMV has reason to believe you are no longer may have access to. However, if you have been convicted of certain traffic violations or if your license has been suspended, you may be required to retake the skills test.

You can renew your CDL at a DMV office. Bring your current CDL, your new Medical Certificate, and proof of residency. The renewal fee is the same as the initial license fee. If you renew online or by mail, you still need the Medical Certificate and must visit an office to have your photo taken.

School bus endorsement versus passenger bus endorsement

California offers two separate endorsements for bus drivers: the P endorsement (passenger) and the S endorsement (school bus). They are not the same, and you may need both depending on where you work.

The P endorsement covers any bus carrying 16 or more passengers for any purpose — transit buses, tour buses, shuttles, charter buses. You take the standard CDL skills test to earn it.

The S endorsement is required only if you drive a school bus. To earn it, you must already hold a CDL with the P endorsement, pass an additional written test specific to school bus operation, and pass a school bus skills test. The S endorsement test covers student management, emergency procedures, and school bus-specific safety rules. If you want to drive a school bus, you need both P and S endorsements.

If you only plan to drive a transit or tour bus, you need only the P endorsement. If you plan to drive a school bus, you need both.

Frequently Asked Questions

Can I use an out-of-state CDL to drive a bus in California?

No. If you move to California or take a job driving a bus in California, you must obtain a California CDL within 30 days. You can use your out-of-state CDL temporarily, but California law requires you to convert it to a California license. Contact the DMV to begin the conversion process.

What happens if I fail the skills test?

You can retake it, but you must pay the full fee again and schedule a new appointment with the third-party tester. There is no limit on how many times you can retake it, but each attempt costs money and takes time. Some testers allow you to retake a failed component within a short window (like 30 days) at a reduced fee; ask your tester about their policy.

Do I need a CDL if I drive a shuttle for a hotel or airport?

Only if the shuttle carries more than 15 passengers. If it holds 15 or fewer, you can use a regular Class C license. Check the vehicle's registration or the manufacturer's plate to confirm the passenger capacity.

Can I get a CDL if I have a DUI on my record?

It depends on how recent it is. A DUI within the past three years is a permanent disqualifier for a CDL. A DUI older than three years may not disqualify you, but the DMV will review your record. Contact the DMV before you explore to find out whether your specific DUI will block you.

How long does the background check take?

Typically 2 to 8 weeks. During this time, you can drive on your temporary CDL. If the background check clears, you receive your permanent CDL in the mail. If it does not clear, the DMV will notify you in writing and explain why your CDL was denied.