What Georgia requires for emissions testing
Georgia requires emissions testing for most vehicles registered in the state, but the rules depend on where you live and what year your vehicle was made. If you live in the Atlanta metro area — which includes Fulton, DeKalb, Gwinnett, Clayton, Cobb, Henry, and Douglas counties — you must pass an emissions test every two years. Outside that area, you do not need emissions testing at all, no matter what vehicle you drive.
Vehicles made in 1996 or later are subject to testing in the Atlanta area. Older vehicles, diesel vehicles, and motorcycles are exempt. If you are registering a vehicle for the first time in Georgia or renewing a registration in one of the required counties, you will need a current emissions test result before the Georgia Department of Revenue will issue or renew your tag.
The test itself checks your vehicle's exhaust for nitrogen oxides and particulate matter. You do not need to do anything to prepare beyond making sure your vehicle runs — the testing station handles the rest. The test takes about 10 to 15 minutes and costs between $25 and $35, depending on the station.
Key Takeaways
- Emissions testing is required every two years only in the Atlanta metro area (seven counties including Fulton, DeKalb, and Gwinnett); all other Georgia residents do not need it.
- Only vehicles made in 1996 or later must be tested; older cars, diesel vehicles, and motorcycles are exempt.
- You must have a passing test result before the Georgia Department of Revenue will issue or renew your vehicle registration tag.
- Testing stations are certified by the state and charge between $25 and $35 per test; the process takes 10 to 15 minutes.
- Your test result is valid for two years from the date of testing.
Finding a testing station in your area
Georgia maintains a searchable list of certified emissions testing stations on the Department of Natural Resources website. You can search by county or city to find stations near you. Most are independent repair shops, tire shops, or quick-lube facilities that have been certified to perform the test.
You do not need an appointment at most stations, though calling ahead can save you a wait. Bring your vehicle registration and a valid ID. Some stations may ask for your vehicle identification number (VIN) before you arrive so they can pull up your vehicle's history.
If you are renewing your registration online or by mail, you will need your test result number and the date it was issued. If you are renewing in person at a tag office, bring the actual test certificate or have the station email it to you.
What happens if your vehicle fails the test
If your vehicle does not pass, the testing station will give you a detailed report showing which emissions standards it failed to meet. You then have 30 days to have the vehicle repaired and retested at no additional charge at the same station. The retest is free — you only pay for the initial test.
Common reasons for failure include a faulty oxygen sensor, a loose gas cap, a malfunctioning catalytic converter, or an engine light that is on. Many of these repairs are straightforward and inexpensive. If you are unsure what needs fixing, a mechanic can read the diagnostic codes from your vehicle's computer.
If you cannot get the vehicle repaired within 30 days, you can request a waiver from the testing station. A waiver allows you to register your vehicle anyway, but you will need to retest within a certain timeframe. Waivers are not automatic — the station must determine that you made a good-faith effort to repair the vehicle.
Timing your test before registration renewal
Your emissions test is valid for two years from the date it was issued. Georgia sends renewal notices about 30 days before your registration expires. If your test will expire before your registration does, you need a new test before you renew your tag.
The easiest approach is to get your test done in the month your registration is set to expire. That way both expire at the same time, and you only have to remember one renewal date. If you get tested early, you will have a longer window before you need to test again.
You can renew your registration online through the Georgia Department of Revenue website, by mail, or in person at a tag office. Online renewal is fastest if you have your test result number and expiration date ready. In-person renewal at a tag office usually takes 10 to 15 minutes.
Emissions testing for used vehicles and out-of-state moves
If you are buying a used vehicle in Georgia and registering it for the first time, you will need an emissions test before you can get a tag — even if the vehicle has a current test from its previous owner. The test must be done after you own the vehicle and have it registered in your name.
If you are moving to Georgia from another state and the vehicle is registered in one of the seven required counties, you must get an emissions test within 30 days of establishing residency. Bring your out-of-state registration and proof of residency (such as a utility bill or lease) to the tag office, and they will tell you where to get tested.
If you are moving out of the Atlanta area to a county that does not require testing, you do not need a test to renew your registration in the new county. However, if you move back into the Atlanta area later, you will need to resume testing.
Understanding your test results
A passing emissions test means your vehicle met Georgia's standards for nitrogen oxides and particulate matter at the time of testing. The test certificate will show the date issued, the expiration date (two years later), your vehicle's VIN, and the testing station's name and number.
Keep your test certificate or take a photo of it. You will need the test result number and expiration date when you renew your registration. Some stations email the certificate automatically; others print it on the spot. If you lose it, you can contact the testing station and ask them to reissue a copy.
Your test result is specific to your vehicle. You cannot use someone else's test result, and a test result from a different vehicle will not work for your registration, even if the vehicles are the same make and model.
What to do if you live outside the testing area
If your vehicle is registered in a Georgia county outside the Atlanta metro area, you do not need emissions testing to register or renew your vehicle. This includes most of rural Georgia, the coastal region, and areas north and west of Atlanta.
If you move from a non-testing county to a testing county (such as moving to Atlanta), you will need to get an emissions test before your next registration renewal. If you move from a testing county to a non-testing county, you will no longer need to test, though you may have a test result that is still valid if you move back.
You can check which county you live in on your vehicle registration. If you are unsure whether your county requires testing, the Georgia Department of Natural Resources website lists all seven required counties by name.
Frequently Asked Questions
Do I need emissions testing if I just bought a new car?
New vehicles are exempt from testing for the first two model years. After that, if you live in the Atlanta metro area, you will need to test every two years starting with your third year of ownership. Bring your registration and VIN to a certified station.
What if I move to Georgia with a vehicle registered in another state?
You have 30 days to register your vehicle in Georgia. If you move to one of the seven required counties, you must get an emissions test within 30 days of establishing residency. Bring your out-of-state registration and proof of residency to a testing station or tag office for guidance.
Can I test my vehicle before my registration expires?
Yes. Your test result is valid for two years from the date issued. Testing early gives you a longer window before your next test is due, but both your test and registration will expire at different times unless you renew them together.
What if the testing station says my vehicle cannot be tested?
Some vehicles (diesel, motorcycles, vehicles older than 1996) are exempt and cannot be tested. If your vehicle is exempt, the station will tell you and you will not need a test to register. If your vehicle should be testable but the station refuses, contact the Georgia Department of Natural Resources to report it.
How long does a test result stay valid?
Your emissions test result is valid for exactly two years from the date it was issued. After two years, you need a new test to renew your registration in a required county. The expiration date is printed on your test certificate.