Emissions Testing in Catonsville, Maryland

Find 6 licensed smog check stations in Catonsville. Browse test-only centers, STAR-certified locations, and shops offering registration renewal inspections. Requirements in Maryland vary by vehicle type and model year.

6 stations
Catonsville, MD
View Maryland requirements
CA

Caton Auto Clinic

4.7 · 794 reviews
Auto repair shop · 6013 Baltimore National Pike, Catonsville, MD 21228

Caton Auto Clinic offers emissions testing and vehicle inspection services in Catonsville, Maryland. View hours and deta...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
MC

Manik Complete Auto Care

4.6 · 236 reviews
Auto repair shop · 6431 Baltimore National Pike # 102, Catonsville, MD 21228

Manik Complete Auto Care provides emissions testing and vehicle inspection services in Catonsville, Maryland. View hours...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
JL

Jiffy Lube

4.6 · 987 reviews
Oil change service · 608 Frederick Rd, Catonsville, MD 21228

Jiffy Lube offers emissions testing and vehicle inspection in Catonsville, Maryland. View hours and details.

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
MO

Mercedes-Benz of Catonsville Service Center

4.5 · 2,330 reviews
Auto repair shop · 6631 Baltimore National Pike, Catonsville, MD 21228

Mercedes-Benz of Catonsville Service Center offers emissions testing and vehicle inspection in Catonsville, Maryland. Vi...

emissions testing vehicle inspection OBD-II Diagnostics Check Engine Light Diagnosis
AA

AJ Auto Repair and Towing/ MD Inspection

4.3 · 161 reviews
Auto repair shop · 1006 Cummings Ave, Catonsville, MD 21228

AJ Auto Repair offers emissions testing and vehicle inspection services in Catonsville, Maryland. View hours and details...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis
JL

Jiffy Lube

4.3 · 507 reviews
Oil change service · 6116 Baltimore National Pike, Catonsville, MD 21228

Jiffy Lube offers emissions testing and vehicle inspection in Catonsville, Maryland. View hours and details for reliable...

emissions testing Vehicle Inspection OBD-II Diagnostics Check Engine Light Diagnosis

City Guide

Emissions Testing in Catonsville, Maryland

Finding a reliable place for emissions testing or a smog check in Catonsville is easier than ever. Our directory lists 6 licensed and verified emissions testing stations in the city, including STAR-certified and test-only centers where required. Whether you're renewing your registration or completing an out-of-state transfer, this page helps you quickly locate nearby inspection facilities and understand what applies in Maryland.

Do Vehicles in Catonsville Need an Emissions Test?

Most drivers in Catonsville follow the same rules set by Maryland. Requirements vary based on vehicle age, fuel type, and county. If you're unsure whether your ZIP code or vehicle model year requires a test, use this directory to browse local stations or review our state-specific testing requirements.

Types of Smog Check Services Available

  • Standard emissions tests for gasoline vehicles
  • OBD-II inspections for 1996+ model years
  • Tailpipe testing for older vehicles where required
  • Diesel emissions testing
  • Hybrid and electric vehicle smog checks
  • Registration renewal support
  • Test-only or STAR-certified inspections (state dependent)

Each listing includes the station's address, contact information, operating hours, and service notes to help you choose the right location.

Smog Check Tips for Catonsville Drivers

Before heading to a testing center in Catonsville, make sure:

  • Your check engine light is off
  • Your vehicle has completed recent drive cycles
  • The gas cap is properly sealed
  • The engine is fully warmed up
  • You have your registration and ID

Following these steps greatly increases the chance of passing on the first attempt.

Why Use This Directory?

Drivers in Catonsville rely on this directory because it provides a complete list of verified emissions testing stations, map-based navigation for quick lookup, accurate state-updated requirements, support for gasoline, diesel, hybrid, and electric vehicles, and clear explanations of exemptions and frequency rules.

Frequently Asked Questions About Emissions Testing in Catonsville, Maryland

Get answers to common questions about smog checks, testing requirements, and finding the right station in Catonsville.

You can use this directory to find licensed emissions testing and smog check stations in Catonsville. Browse the listings above to see addresses, contact details, and services offered, then choose the station that's most convenient for your part of the city.
It depends on Maryland's emissions testing program, your registration ZIP code, and your vehicle's model year and fuel type. Some areas of Maryland require testing, while others do not. Check your Maryland state page in this directory or your DMV's website to see if your address in Catonsville is in a testing area.
Most emissions programs require testing every one or two years, usually tied to registration renewal. Some vehicles are tested more frequently, and others are exempt for the first few model years. Use the Maryland state page to see the current 2025 schedule for your vehicle type and registration area.
Prices vary by station and vehicle, but most emissions tests in Catonsville fall within the typical range for Maryland. Many stations list pricing by phone or on their website, and some offer coupons or discounts. Use the listings above to contact a station directly for current pricing.
Requirements depend on vehicle type (gasoline, diesel, hybrid, electric), model year, and weight, as well as where your vehicle is registered in Maryland. In many states, fully electric vehicles are exempt, newer vehicles are temporarily exempt, and certain older or specialty vehicles may have different rules. Check the Maryland state page for the latest 2025 requirements.
Most stations in Catonsville ask you to bring your current registration or renewal notice, a valid photo ID, and proof of insurance if required by Maryland. Make sure your vehicle is warmed up and the check engine light is off before you arrive.
If your vehicle fails, the station will provide a report showing the reason for failure (such as stored OBD-II codes or high tailpipe readings). In most programs, you must complete repairs and pass a retest before renewing your registration. Some states offer repair assistance, cost caps, or waivers. Details are listed on the Maryland page in this directory.
In some states, certain vehicles are directed to specific station types (such as STAR or test-only centers). Unless your renewal notice or DMV instructions say otherwise, you can usually choose any licensed station in Catonsville. If you're unsure, ask the station when you call or check the instructions on your renewal notice.

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