Family-owned · Novato, CA

Auto Repair Shop in Novato, CA

Name: Hamiltons automotive INC — Novato, CA
Telephone: 415-898-4842

Full-service diagnostics and repairs for Novato drivers, handled in-house at 1032 First Street.

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Novato's Auto Repair Diagnostic Shop

Novato drivers searching for a reliable auto repair shop don't need to drive far or guess at who's actually qualified. Hamiltons Automotive at 1032 First Street runs full multi-system diagnostics covering engine faults, ABS codes, check engine lights, and transmission signals, all in one visit. We've earned 4.7 stars across 111 Google reviews because Leo and the team explain what they find, give you an honest assessment, and don't run up the bill with work you don't need. If your car is telling you something's wrong, call 415-898-4842 and we'll get it on the lift.

Novato sits less than two miles from our shop on First Street, which means most Novato customers are pulling into our lot within minutes of calling. We see vehicles from across the Hamilton district, Ignacio, and downtown Novato regularly. One Novato customer, Grayson Phillips, stopped in after his oil change light came on during a client meeting in town. Leo took his call, the team fit him in, flagged a tire realignment he needed, and had him back on the road fast. That's the kind of turnaround Novato drivers can count on. Check our auto repair Novato page for the full breakdown of what we handle in your area.

Diagnostic Services

What We Diagnose at Our Novato-Area Shop Diagnose

Modern vehicles communicate through fault codes. We read every one of them.

Check Engine Light

We read and interpret OBD-II codes across all makes, then explain the actual cause, not just the code number.

ABS and Brake System Faults

ABS warning lights often point to a wheel speed sensor or hydraulic issue. We diagnose the root cause before replacing parts.

Transmission Diagnostics

Slipping gears, hard shifts, or a flashing transmission light all get a full scan and road-test evaluation.

Electrical and Sensor Faults

From misfiring cylinders to failing O2 sensors, we trace electrical faults to the source rather than swapping parts at random.

Suspension and Steering

Pulling to one side, uneven tire wear, or a shimmy at highway speed, we diagnose the suspension system as a whole, not one piece at a time.

Smog and Emissions Readiness

We check whether your vehicle's monitors are complete before you head to a smog station, saving you a failed test fee.

How a Diagnostic Visit Works

01
Call and Describe the Symptom
Call 415-898-4842, tell us what you're experiencing, and we'll let you know how soon we can get the vehicle in.
02
We Run the Diagnostic
We connect to your vehicle's onboard systems, pull fault codes, perform a physical inspection, and road-test if needed to replicate the issue.
03
We Explain What We Found
Leo or a technician walks you through the findings in plain language, tells you what's urgent, and gives you an accurate repair estimate before any work begins.

Straight from Google

What Novato Customers Say About Hamiltons actually check

4.7111 verified Google reviews

My oil change light came on as I was driving to a client meeting in Novato. I stopped by Hamiltons Automotive after talking to Leo, the owner, on the phone. The team was helpful and even recommended a tire realignment. They got me out of there quickly and provided a great service.

Grayson PhillipsSep 2026 · Google

This shop is the best I've ever been to. The owner Leo goes out of his way to give you the best price and quality service He's shown me that time and time again. If you want a good maintenance shop, and they also do smog checks, this is the place!! Hamilton's Automotive. I'm with them for life!!

Sanford SkolnickDec 2025 · Google

Hamilton Automotive is FAMILIA! SO GLAD I found this place. Hamilton Familia has been taking care of all my autos exclusively for 6yrs, 2 Toyotas, 2 Fords a Hyundai SF, and an Audi. They get you on the road and keep you there, call with estimate, go over your service, service the whole car, keep up on regular maintenence. I'm singing their praises when I drive. After my last repair car had sensation it was going to take off flying, I thought, I guess it's running pretty good. Take a chance on Hamilton you'll keep coming back. Big Thank You to everyone there.

Jordan JumpshotJul 2026 · Google

Outstanding services the staff was friendly honest and very professional from start to finish they quickly diagnosed the issue with my vehicle explained everything clearly and completed the repair on time at a fair price my car is running perfectly now its hard to find a trustworthy mechanic but this shop definitely earned my trust i highly recommend them to anyone looking for reliable and high-quality automotive services

Rami CifuentesAug 2026 · Google

Very affordable and nice and great service. They fixed à seal and new tires too for a very cheap price and they are fast and gave me a ride home! Loved it

Laura Sheehan BarronFeb 2026 · Google

Read all 111 reviews

Full Service

Beyond Diagnostics: Repairs Novato Drivers Actually Need

Diagnosing the problem is step one. Fixing it without sending you somewhere else is step two. We handle brake repair, transmission repair, wheel alignment, engine repair, and steering repair in-house at 1032 First Street. Novato customers don't get a referral slip and a wave goodbye. If a job requires a specialist we don't have, we'll tell you that directly. But the honest answer is: most of what brings a Novato driver to a repair shop, we can do ourselves. We also work on motorcycles and have handled commercial diesel vehicles for Novato-area business owners who can't afford extended downtime.

Brake pad and rotor replacement
Transmission rebuild and replacement
Engine diagnostics and repair
Wheel alignment and tire rotation
Steering and suspension repair
AC system diagnosis and recharge
Oil changes and scheduled maintenance
Motorcycle repair
Commercial truck and diesel repair

Service bays at Hamilton's Automotive for engine, transmission, tire and brake work

Why Novato Drivers Keep Coming Back

111 Google reviews averaging 4.7 stars. Leo's name is on the building.

4.7 stars, 111 Google reviews: Verified rating from real Novato-area customers, not a curated highlight reel.
Owner-operated, not franchised: Leo is at the shop. He took Grayson Phillips' call when the oil light came on during a Novato commute.
No subcontracting on core repairs: Diagnostics, brakes, transmission, alignment, and engine work all stay in-house.
Straight answers before any work starts: We explain what we found and what it costs before we touch anything.

Schedule Your Diagnostic Appointment in Novato

Call (415) 898-4842 Call to Schedule: 415-898-4842

Frequently asked questions

How far is Hamiltons Automotive from Novato?

The shop is at 1032 First Street, which puts us under two miles from central Novato. Most customers driving from the Hamilton district, Ignacio, or downtown Novato are at our lot within five to ten minutes. There's no long drive to a specialty shop across the county for most diagnostic and repair work.

Can you diagnose a check engine light for my car in Novato?

Yes. We read and interpret OBD-II fault codes for all makes and models, including the domestic and import vehicles that are common in the Novato area. We don't just hand you a code number. We explain what it means for your specific vehicle, what caused it, and what the repair involves. Call 415-898-4842 and tell us what you're seeing.

Do you handle transmission problems for Novato vehicles, or do I need a specialist?

We handle transmission diagnosis, repair, and full replacement in-house. Novato drivers don't need a separate specialist for most transmission problems. We'll scan the system, road-test the vehicle, and tell you whether the fix is a fluid service, a solenoid, or a full rebuild. See our transmission repair page for more detail on what the service covers.

What's the best way to get a Novato car into Hamiltons for a diagnostic?

Call 415-898-4842 during business hours, describe what the vehicle is doing, and we'll get you scheduled. If the vehicle isn't drivable, let us know and we can talk through your options. We open at 8:00 AM Monday and Tuesday, and we're typically able to get Novato-area customers in quickly rather than booking out weeks.

A Novato smog station failed my car. Can Hamiltons fix the underlying problem?

Yes. A failed smog check usually means one or more of the vehicle's emissions monitors are incomplete or a fault code triggered the check engine light. We diagnose the actual cause, whether it's a faulty O2 sensor, a catalytic converter issue, or an evaporative emissions leak, repair it, and help you confirm the monitors are ready before you go back. Sanford Skolnick, a longtime Novato-area customer, specifically mentioned our smog service in his review.

Does Hamiltons work on motorcycles and trucks in the Novato area?

We do. Novato-area customers with motorcycles can bring them to 1032 First Street rather than hunting for a bike-specific shop. We also take on commercial diesel trucks for business owners in the area who can't afford to wait at a dealership. Our motorcycle repair service and commercial truck repair are both handled in-house, not farmed out.

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