Hours vary Novato (415) 898-4842
Hamiltons automotive INC
Car Repair: Diagnostics to Full Rebuilds

Family-owned · Novato, CA

Car Repair: Diagnostics to Full Rebuilds

Cars, trucks, motorcycles, and golf carts all serviced at one Bay Area shop on First Street.

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Car Repair Handled In-House, Start to Finish

Car repair covers a lot of ground, and the biggest mistake most drivers make is bouncing between three different specialists to fix what one shop should handle. Hamiltons Automotive at 1032 First Street handles engine repair, transmission work, brakes, suspension, AC, diagnostics, and scheduled maintenance all under one roof. Leo and the team carry a 4.7-star rating across 111 Google reviews, and that number holds because the work does. Call 415-898-4842 to schedule.

What a car repair actually costs depends on what's wrong, how long it's been ignored, and which system is involved. A brake job is not the same job as a transmission rebuild, and a check-engine diagnostic is not the same as an engine replacement. The cost drivers on any repair are parts availability, labor hours, and whether deferred maintenance compounded the original problem. We don't guess at prices on the phone without seeing the vehicle first. Every job is different, contact Hamiltons Automotive INC for an accurate estimate.

WHAT WE FIX

Every Major System, One Location One Location

No referrals, no subcontracting, the full scope of repair stays in-house.

01

Engine Repair

From misfires and rough idle to full rebuilds, Leo's team diagnoses engine problems the same day and explains what's actually wrong before touching anything. Check engine light on? That's where we start. Link: engine diagnostics and repair available for cars and trucks.

02

Transmission Repair

Slipping gears, hard shifts, or no movement at all, transmission problems don't fix themselves. Hamiltons handles diagnosis, fluid service, rebuild, and full replacement. See the full transmission repair page for what's included.

03

Brake Repair

Grinding, pulling, or a soft pedal means one thing: get it looked at now. Brake jobs here cover pads, rotors, calipers, and lines. More on what's covered at the brake repair page.

04

Electrical and ABS

ABS light on the dash, dead battery, or a charging system that's not keeping up, electrical faults get misdiagnosed constantly at shops that don't have the right scan equipment. We do. ABS light service is part of what we cover.

05

AC Repair

AC not blowing cold is one of the most common summer complaints, and it's almost never just a refrigerant top-off. The system needs a proper pressure test before anyone touches a valve. We find the actual leak and fix it.

06

Steering and Suspension

Pulling to one side, vibration at highway speed, clunking over bumps, these symptoms point to suspension or steering, and letting them go makes tires wear out fast and unevenly. Steering repair and wheel alignment are both handled here.

Our Process

How a Repair Visit Actually Goes

  1. 01

    Diagnosis First

    You bring the car in, describe what you're seeing or hearing, and we put it on the lift or hook it to the scanner. No guessing. The diagnosis tells us what the repair is, not the other way around.

  2. 02

    Clear Estimate Before Work Starts

    You hear the price before anyone turns a wrench. Leo walks you through what's needed and what can wait, so you're making an informed decision, not just approving a number on a clipboard.

  3. 03

    Repair and Road Test

    The job gets done in-house. Once it's finished, the car gets a road test before it's handed back. If something doesn't feel right, it stays until it does.

REAL REVIEWS

What Customers Say About the Shop 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 PhillipsGrayson 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 SkolnickSanford 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 JumpshotJordan 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 CifuentesRami 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 BarronLaura Sheehan BarronFeb 2026 · Google
Read all 111 reviews

The Range of Vehicles We Work On

Most shops draw a hard line at passenger cars. This one doesn't.

  1. 01

    Cars and Sedans

    Domestic and import, all major makes. Oil changes through engine rebuilds.

  2. 02

    Trucks and SUVs

    Full-size trucks, vans, and SUVs, including the heavier suspension and drivetrain work those vehicles need.

  3. 03

    Motorcycles

    Two-wheel repair is a real differentiator for an independent shop. See the full motorcycle repair page for what we handle.

  4. 04

    Golf Carts

    Not a footnote. An actual service. If you've got a cart that needs electrical or mechanical work, bring it in. No other shop in the area covers this.

Serving the Bay Area from First Street

Hamiltons Automotive sits at 1032 First Street in Novato and serves drivers across Marin County and the wider North Bay. If you're looking for a mechanic near you who handles everything without sending you elsewhere, this is the shop. Auto repair in Novato is where most customers start, but the work draws from across the region.

Get Your Car Looked at Today

111 Google reviews at 4.7 stars. Every repair handled in-house. No runaround.

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

Frequently asked questions

What is a car repair shop, and how is a full-service shop different from a specialty shop?
A specialty shop handles one system, brakes only, tires only, transmission only. A full-service repair shop like Hamiltons diagnoses and repairs everything: engine, electrical, suspension, AC, transmission, and scheduled maintenance. The practical difference is that you don't get handed off to three different places every time something goes wrong. One shop, one relationship, one place to call.
What's the most expensive repair a car typically needs?
Engine replacement and transmission rebuilds are consistently the highest-cost repairs. Either job can run into thousands of dollars depending on the vehicle, the extent of internal damage, and parts availability. The honest answer is that cost climbs fast when a problem gets ignored. A slipping transmission caught early costs significantly less than one that's failed completely. Every job is different, contact Hamiltons Automotive INC for an accurate estimate.
How do I know if my car needs repair or just maintenance?
Maintenance is scheduled by mileage or time intervals, oil changes, brake fluid, spark plugs, timing belt. Repair is triggered by something failing or behaving abnormally: a warning light, a noise, a performance change. The line blurs when deferred maintenance causes component failure. If you're not sure which category your situation falls into, the diagnostic appointment answers that question before anything else.
Can you diagnose a car the same day I bring it in?
In most cases, yes. The shop runs multi-system scans for check-engine codes, ABS faults, and transmission signals, and a lift inspection covers what the scanner can't see. Diagnosis timing depends on how busy the shop is that day, so calling ahead to 415-898-4842 gives you a realistic window. Complex engine teardowns take longer than a scan-and-inspect job.
Do you work on vehicles other than cars?
Hamiltons works on cars, trucks, SUVs, motorcycles, and golf carts. That range is unusual for an independent shop and it's not something any chain location offers. If you've got a motorcycle that needs service or a golf cart with electrical problems, this is one of the few shops in the Bay Area that will actually take the job.
What happens if a repair turns out to be more involved than the estimate?
If the scope changes once the vehicle is open, the shop calls before proceeding. You don't get a bill for work you didn't approve. This is standard practice at Hamiltons, Leo runs the shop with the assumption that you want to know what's happening to your car before money is spent, not after.

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