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Triangle Service Center

Average Score
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
5.0
(2,549 Reviews)
96
Write a Review

Score Details

Last 30 Day Trend

Active Business

ReScore Reviews

ReScore
Overall Rating 0.0/5Overall Rating 0.0/5Overall Rating 0.0/5Overall Rating 0.0/5Overall Rating 0.0/5
Original Review
Overall Rating 0.0/5Overall Rating 0.0/5Overall Rating 0.0/5Overall Rating 0.0/5Overall Rating 0.0/5
0
Total ReScores
-
ReScore Average
96
Net Promoter Score ®

Business Details

About

In 1978 with more than 10 years in the automotive repair field under his belt, David McAllister bought the gas station at the apex of Concord and Boston roads. During the initial land surveying it was noticed that the land configuration was indeed a perfect “Triangle.” The rest of the naming was easy, due to the variety of automotive In 1978 with more than 10 years in the automotive repair field under his belt, David McAllister bought the gas station at the apex of Concord and Boston roads. During the initial land surveying it was noticed that the land configuration was indeed a perfect “Triangle.” The rest of the naming was easy, due to the variety of automotive repairs planned during the future; the second half had to be “Service Center.” The site, more than three decades old, is now a landmark used by many to give directions to either Carlisle or to the Bedford area. Take a right at Triangle to go to Great Brook Farms in Carlisle or a left to go to the town soccer fields.

Today, Triangle is still family owned with David's son Peter McAllister manning the helm. We are proud of our heritage and even more proud of the service we have been able to provide through the years to the motoring public in the Chelmsford, Carlisle, Billerica, Westford, and the greater Lowell area.
...more

Categories
Auto Repair, Car Maintenance, Tire Sales and Repair
Contact
(978) 256-7658

Business Hours

Mon
7:00 AM - 5:00 PM
Tue
7:00 AM - 5:00 PM
Wed
7:00 AM - 5:00 PM
Thu
7:00 AM - 5:00 PM
Fri
7:00 AM - 5:00 PM
Sat
closed
Sun
closed
* Eastern Time (Us & Canada)
177 Boston Road Chelmsford, MA 01824-4615
Triangle Service Center's Reviews
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
5.0
(2,549 Reviews)

Verified Customer
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/16/2025
verified customerVerified Customer
10
Routine Service
Excellent, friendly and fast service.

GW
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GEORGE / JEAN W.
Billerica, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/16/2025
verified customerVerified Customer
10
Always the best service by far .
Great service always.

RE
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RICHARD E.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/15/2025
verified customerVerified Customer
9
Outstanding
Triangle has been servicing my cars for over a decade and plan on continuing for ever!

GK
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GREGG / DEBBIE K.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/13/2025
verified customerVerified Customer
10
Great Service
Always a pleasure dealing with Triangle Service center.

Verified Customer
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/12/2025
verified customerVerified Customer
10
Great as always
Service is always great, estimates are accurate, customer service is wonderful.

DS
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DOUG+MAURA S.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/09/2025
verified customerVerified Customer
10
Beyond the Call
Triangle Service installed new seat covers in our car today. We furnished the covers and they furnished the know how and labor. They did excellent work.

TW
TINA W.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/09/2025
verified customerVerified Customer
10
Amazing service
Triangle Service Center came through in a major way in diagnosing and repairing my car this week. I highly recommend them!!!

AR
ALAN / SUZANNE R.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/07/2025
verified customerVerified Customer
10
Eccellente Service by friendly people
Triangle Service eqals highly competent service by friendly people.

Verified Customer
North Billerica, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/07/2025
verified customerVerified Customer
10
Nothing but the best
Nicho, Robin and team are personable, and at the same time all about business and will stop at nothing to get the customer nothing short of perfection

EQ
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EDWARD / BARBARA Q.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/07/2025
verified customerVerified Customer
10
Great servicr
The guys take excellent care of my old Sienna, Nikki even connected my phone to the Bluetooth in my car!

TF
THERESA F.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/07/2025
verified customerVerified Customer
10
Tire check and state inspection
Wonderful service as always.

MH
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MIKE H.
North Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/07/2025
verified customerVerified Customer
10
Great service from Triangle!!
I have been a customer for over 40 years and the service has been fantastic! Thank to the team at Triangle!

SM
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SCOTT M.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/07/2025
verified customerVerified Customer
10
Friendly visit for inspection
Inspection was down early in the day but I got a text as soon as it was up and was first in line when I got there. Every visit to triangle service is a pleasure.

BV
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BOB / GAY V.
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/05/2025
verified customerVerified Customer
10
Great and friendly service
Great and friendly service

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Verified Customer
Chelmsford, MA
Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5Overall Rating 5.0/5
05/05/2025
verified customerVerified Customer
10
THE BEST
Brought my vehicle in for brakes. Could not have had a better experience. Total professional customer first treatment. Best service center I have ever been to. Most highly recommended. Thank you Triangle.
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