Chelsea, MA · 50 years in the neighborhood
Fast state inspections. Honest repairs.
No appointment, just come in. Frank’s has kept Chelsea on the road for 50 years with quick inspections, straight answers, and fair prices, on everything from a daily driver to a classic.

What we do
One shop for the whole car
Inspections are our bread and butter, but Frank’s crew handles just about anything that rolls in.
State Inspections
Come in for your sticker. Most inspections are done in minutes, and you never need an appointment.
Oil & Maintenance
Oil changes, fluids, and tune-ups that keep your car running right and catch small problems early.
Brakes & Repairs
Brakes, suspension, and the everyday fixes, done right the first time and priced fairly.
Engine & Mechanical
Diagnostics and repairs on all makes, foreign and domestic, from daily drivers to the tricky ones.
Auto Body
Dents, rust, and collision work to get your car looking like itself again.
Used Cars
Frank's Auto & Sales keeps a lot of used cars. Ask us what is available right now.
The Frank’s specialty
Need a sticker? Just drive in.
No appointment, no runaround. Show up during the week and you are usually in and out fast. It is the reason folks in Chelsea have trusted Frank’s with their inspections for decades.
In the bay
Whatever rolls through the door
Inspections, engines, brakes, body work, plows, classics, and used cars for sale. Real photos from the shop.

The crew
Chelsea mechanics you can trust
Frank’s is Billy and the crew, neighborhood mechanics who treat your car like their own. You will get a straight answer and a fair price, not a sales pitch, whether it is a quick sticker or a bigger job.
Fifty years in the same spot on Marginal Street says it better than we can: people keep coming back, and they send their families, too.
What Chelsea says
4.6 stars, 230 reviews
“Got my car inspected and it took literally 5 minutes. Super helpful, very nice, and very reasonably priced.”
“Billy took great care of my daughter's car. Got us in right away, found the problem, and fixed it quickly for a fair price. Highly recommend.”
“Excellent mechanics who are friendly, genuine, and knowledgeable. I've been in a few times with my older Subaru and had a great experience each time. They are not trying to rip you off.”
“Went for a state inspection two years in a row and had great experiences both times. No appointment, showed up early in the week, and was done in under 15 minutes.”
“Very good and fast, with excellent customer service. They treated my daughter and me exceedingly well. A small shop, but really pretty darn good. Five stars.”
“Such excellent service. Great work on my brakes at a much cheaper price than the dealership, plus solid recommendations for taking care of my car.”
Good to know
Do I need an appointment for a state inspection?
No. Just come in. Most inspections are done quickly, and folks are often in and out in a few minutes.
What kind of cars do you work on?
All makes and models, foreign and domestic, from everyday drivers to classics. If it has an engine, we can take a look.
Do you do more than inspections?
Yes. Oil changes, brakes, engine and mechanical work, and auto body. Whatever your car needs, start with us.
Do you sell used cars?
Yes. Frank's Auto & Sales keeps used cars on the lot. Call or stop by to see what we have right now.
How can I pay?
Credit cards, debit cards, and mobile tap payments are all welcome.
Where are you located?
11 Marginal St, Chelsea, MA 02150. The entrance and parking lot are wheelchair accessible, and everyone is welcome here.
Come see us
Stop in for an inspection any weekday, or send a note about a repair and we will get right back to you.
- Call
- (617) 884-8914 or (617) 889-4456
- Good to know
Closes 4 PM · call to confirm today’s hours
No appointment needed for inspections
Wheelchair accessible entrance & parking · everyone welcome