What DEKRA does and where you'll find it
DEKRA is a private inspection company that performs emissions tests in several U.S. states. It is not a government agency, but it conducts official emissions inspections on behalf of state environmental programs. DEKRA operates testing stations in Arizona, California, Georgia, and a few other states, depending on where you live and which state contracts with them for this work.
Your state's emissions program decides which inspection companies can perform tests in your area. If DEKRA operates in your state, you can schedule an appointment at one of their stations instead of going to a state-run facility or another private inspector. The test itself is the same regardless of which company runs it — your vehicle either passes or fails the same standards.
DEKRA stations typically handle both emissions testing and vehicle safety inspections, though the specific services vary by location. You can find your nearest DEKRA station through their website or by searching for "DEKRA emissions near me" along with your state.
Key Takeaways
- DEKRA is a private company that performs official emissions tests in states where your state has contracted with them to do so.
- You schedule an appointment directly with DEKRA rather than going through a government office, which can be faster than waiting at a state facility.
- The emissions test DEKRA runs is the same test your state requires — passing or failing depends on your vehicle's actual emissions, not which company tests it.
- Costs vary by state and location, but DEKRA's fees are typically comparable to other private inspectors or state facilities in your area.
- If your vehicle fails, you have the same appeal and retest options whether DEKRA tested it or another inspector did.
How to schedule a DEKRA emissions test
Visit the DEKRA website for your state and enter your zip code to find nearby testing stations. Most locations allow you to book an appointment online or by phone. You will need your vehicle's license plate number or VIN to schedule, and many stations can fit you in within a few days.
Bring your vehicle registration and a valid photo ID when you arrive. Some states require additional documents — for example, proof of residency or your vehicle's title — so check your state's emissions program website before you go. Arrive a few minutes early so the inspector can review your paperwork and answer any questions about the test itself.
The actual test usually takes 10 to 20 minutes. The inspector will connect your vehicle to a diagnostic machine that reads emissions data. You do not need to do anything during the test except sit in the vehicle while it runs through the procedure.
What happens if your vehicle fails the emissions test
If your vehicle fails, DEKRA will give you a printed report showing which emissions standards it did not meet. This report is your record of the failure and is often required when you take your vehicle to a mechanic or when you file an appeal with your state.
You have the right to request a retest, usually within a set timeframe (often 30 days, though this varies by state). Some states allow you to retest at the same facility; others require you to go to a different inspector. Check your state's emissions program rules to learn whether there is a fee for the retest and whether you must make repairs before retesting.
If you believe the test was performed incorrectly, you can file a complaint with your state's environmental agency or emissions program office. Keep your test report and any documentation from your mechanic showing what repairs you made. Your state will tell you how to submit a formal dispute and what evidence they need to review your case.
Costs and what's included in a DEKRA test
DEKRA's testing fees vary by state and location. In states where DEKRA operates, the cost is usually between $30 and $60 for a standard emissions test, though some states set the price and others allow DEKRA to set their own rates. Check the DEKRA website for your state to see the exact fee before you book.
The fee covers the emissions test itself and a printed report of the results. It does not include any repairs your vehicle might need, nor does it cover a retest if you fail — though retest fees are typically the same as the initial test or sometimes lower. Some DEKRA locations also offer safety inspections or other vehicle services for an additional fee.
If you are on a tight budget, contact your state's emissions program office to ask whether there are any fee waivers or reduced-cost testing options for low-income vehicle owners. Some states offer these programs, though not all do, and DEKRA may or may not participate.
DEKRA versus other emissions testing options
In states where DEKRA operates, you can usually choose between DEKRA, other private inspectors, or state-run facilities. The main difference is convenience and wait time. DEKRA stations often have more flexible hours and faster appointment availability than state facilities, but you pay a private company fee instead of a state fee.
The test results are equally valid no matter which company performs the test. Your state recognizes emissions certificates from DEKRA, other licensed private inspectors, and state facilities. If you fail at DEKRA, you can retest at a different company if your state allows it — the results are interchangeable.
If you prefer to avoid scheduling an appointment, some states allow you to walk in to state-run facilities during certain hours. This can take longer but may save you the private testing fee. Check your state's emissions program website to see what options are available in your area.
What to do before your DEKRA appointment
Make sure your vehicle's gas cap is tight and your check engine light is off (or at least not illuminated for an emissions-related code). A loose gas cap or an active emissions warning can cause a test failure even if your vehicle is otherwise in good condition. If your check engine light is on, have a mechanic read the code before you test — some codes will automatically fail you, while others may not affect the test result.
Drive your vehicle normally before the test. Some states require that your vehicle be "warmed up" — meaning the engine has run for at least 10 minutes — before testing. DEKRA will let you know if this is required when you schedule. Do not attempt to clear codes or reset your vehicle's computer right before the test, as this can actually cause a failure.
If your vehicle has failed emissions tests in the past, bring documentation of any repairs you have made. This helps the inspector understand your vehicle's history and can be useful if you need to file an appeal later.
Understanding your emissions test results
DEKRA will provide you with a detailed report showing your vehicle's emissions levels for each pollutant your state tests (usually nitrogen oxides, particulate matter, and hydrocarbons). The report will clearly state whether you passed or failed and which standards, if any, your vehicle did not meet.
A passing result means your vehicle meets your state's emissions standards for that year and model. You can use this certificate to renew your vehicle registration or to satisfy any emissions requirement your state has. The certificate is valid for the period your state specifies — usually one or two years.
If you fail, the report will show you which emissions are too high. This information helps a mechanic diagnose what repairs your vehicle might need. However, the report itself does not tell you what to fix — that is a job for a may have access to mechanic who can inspect your vehicle and recommend repairs based on the emissions data.
Frequently Asked Questions
Can I retest at DEKRA if I failed at another emissions testing location?
This depends on your state's rules. Some states allow you to retest at any licensed facility, while others require you to go to a different company or location. Check your state's emissions program website or ask DEKRA directly when you call to schedule your retest. They can tell you whether you are allowed to come back to the same station.
What if DEKRA is not available in my state?
DEKRA operates in select states only. If they do not have a location near you, your state's emissions program website will list other private inspectors or state-run facilities where you can test. Contact your state's environmental agency to find out which options are available in your area.
Do I need an appointment, or can I walk in to DEKRA?
Most DEKRA locations require an appointment, though some may accept walk-ins during certain hours. Check the DEKRA website for your state or call the station directly to ask about their walk-in policy. Scheduling ahead usually means a shorter wait time.
What if my vehicle's check engine light comes on right before my DEKRA test?
Contact DEKRA and ask whether you should reschedule. A check engine light related to emissions will likely cause a test failure. Have a mechanic read the code first to see whether it is an emissions issue. If it is, get it fixed before retesting. If it is not emissions-related, DEKRA can still test your vehicle.
How long does a DEKRA emissions certificate last?
This varies by state. Most states issue certificates valid for one or two years from the test date. Your DEKRA report will show the expiration date. You will need to retest before that date to renew your vehicle registration or to maintain compliance with your state's emissions program.