MA Emissions test

Middlesex County emissions test

Get the emissions requirement cleared before you renew in Middlesex County.

Find a station Open Massachusetts renewal

Last synced Mar 17, 2026, 7:17 AM UTC from official source .

Rule thresholds are source-backed, but current station coverage is delegated to an official live finder rather than a normalized station list.

What to know

Before you go

Testing required Yes This county can hold up renewal until you clear the test.

Typical fee $35.00 Double-check the station fee before you go.

Gas vehicles Gas vehicle rules vary Use this if the vehicle is gas, hybrid, or another covered light-duty type.

Diesel vehicles Diesel vehicle rules vary Use this if the vehicle is diesel-powered.

Exemptions

motorcycles follow a separate motorcycle inspection path
commercial vehicles use a different inspection fee and class structure
newly registered vehicles should complete inspection within 7 days after registration

Stations

Official inspection station locator

Find a station

Massachusetts runs the annual inspection and emissions program statewide, and live Middlesex County station availability is delegated to the official Massachusetts Vehicle Check locator.

Use the official station finder for live locations.

Do this now

Finish emissions first

Open the official station finder or official county rule.
Complete the test or waiver step that applies to your vehicle.
Go back to Massachusetts renewal once the requirement is cleared.

Find a station Open Massachusetts renewal