Watertown, MA • Family-owned since 1998

Auto care you can actually trust.

Repair, maintenance and detailing done right the first time — by ASE-certified mechanics, with honest, upfront pricing. Watertown’s neighborhood shop for over 25 years.

25+ yrsServing Watertown
ASECertified technicians
12mo / 12k miRepair warranty
What we do

A full-service shop under one roof

From routine maintenance to complex repairs, we keep your vehicle safe, reliable and running smoothly.

Oil Change & Maintenance

Regular oil changes and preventive maintenance to keep your vehicle running its best.

Brake Service

Complete brake inspection, repair and replacement for your safety on the road.

Engine Repair & Diagnostics

Expert computer diagnostics and repair for all engine-related issues.

Transmission & Suspension

Transmission service, suspension and steering repair for a smooth, stable ride.

AC & Heating

Stay comfortable year-round with our air conditioning and heating system service.

Tires & Wheel Alignment

Tire rotation, balancing, alignment and replacement services.

MA State Inspection

Quick and reliable Massachusetts state safety and emissions inspections.

Detailing & Wash

Interior and exterior detailing to keep your car looking showroom-fresh. See packages below.

Free Estimates

Transparent, upfront quotes before any work begins — no hidden fees.

Detailing & wash

Detailing packages

Add a professional detail to any service visit. Choose the level of shine that fits your car.

Express Wash

$29/ visitSample price
  • Exterior hand wash & dry
  • Wheel & tire clean
  • Windows in & out
  • Quick interior vacuum
Book Express

Premium Showroom

$179/ visitSample price
  • Everything in Full Detail
  • Clay-bar paint decontamination
  • Machine polish & sealant
  • Leather treatment
  • Engine bay cleaning
Book Premium

Sample pricing. Detailing package prices shown are illustrative samples. Final pricing depends on vehicle size and condition — please call +1 617-924-3131 or request a quote below to confirm.

Why Belmont Auto Center

Watertown’s neighborhood auto shop since 1998

We treat every car like our own — serving drivers across Watertown, Belmont and Cambridge with straightforward, dependable service.

Expert, ASE-certified mechanics

Experienced technicians who fix it right the first time.

Quality parts

OEM and trusted aftermarket parts on every repair.

Fair, transparent pricing

Clear estimates before we start — no surprises, no hidden fees.

Repair warranty

12-month / 12,000-mile warranty on qualifying repairs.

Book online

Request an appointment

Fill out the form and we’ll confirm your appointment by phone. Prefer to talk? Call +1 617-924-3131.

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Good to know

Frequently asked questions

Do I need an appointment?

Appointments are recommended so we can have the right technician and parts ready, but we welcome walk-ins for quick services when the schedule allows. Book online above or call +1 617-924-3131.

Do you offer free estimates?

Yes. We provide a clear, upfront estimate before any work begins so there are no surprises.

What areas do you serve?

We proudly serve Watertown, Belmont, Cambridge and the surrounding Greater Boston communities.

Do you do Massachusetts state inspections?

Yes, we perform Massachusetts state safety and emissions inspections. Call ahead to confirm same-day availability.

Is there a warranty on repairs?

Qualifying repairs are backed by a 12-month / 12,000-mile warranty. Ask us for details on your specific service.

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