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    J and M Auto Customs

    4.7 (15 reviews)
    Closed 8:00 am - 4:00 pm

    Services - J and M Auto Customs

    Bumper repair

    Collision repair

    Auto frame testing

    J and M Auto Customs Photos

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    Recommended Reviews - J and M Auto Customs

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    Photo of loc h.
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    2 years ago

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    7 years ago

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    11 years ago

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    13 years ago

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    16 years ago

    These guys specialize in projects. Got Impalas?

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    11 years ago

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    10 years ago

    Jose and his team do amazing work at great prices. He is the only shop we trust for our vehicles!

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    16 years ago

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    Review Highlights - J and M Auto Customs

    Jose and Marco have always come through with my auto body work even if I needed it done rather quickly.

    Mentioned in 6 reviews

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    Martinez Auto Body - untitled

    Martinez Auto Body

    (99 reviews)

    I had a really great experience at Martinez Auto Body today and wanted to share. I stopped by…read morebecause I had some concerns about my car after a couple of minor incidents where the side panels had popped out. Sean was incredibly accommodating from the moment I arrived. He took the time to look at everything carefully and was genuinely happy to help. Not only did he address the issue, but he also put new clips on my side panels and got everything back into place. The before and after difference was amazing, and I really appreciated the care he took while working on my vehicle. On top of the great work, Sean was just a pleasure to talk to. We had some great conversations while we were figuring everything out, and it really felt like I was dealing with people who truly care about their customers and the community they serve. Martinez Auto Body feels like a true friend of the Martinez community. It's so nice knowing there are businesses like this right here in town that genuinely look out for people. I'm extremely happy with my experience and would absolutely recommend them to anyone who needs work done on their vehicle. I'll definitely be coming back here for any future issues with my car. I'm proud to have a shop like this serving Martinez.

    I can't say enough about the quality of service and care of Martinez Auto Body! We went from…read moreinquiry to finished work in a week and every step of the way was seamless. All the staff were friendly, helpful and went above and beyond to help with various aspects of managing the insurance, rental car and parts requests. Straightforward, honest, experienced and exemplary in every way!!

    G&C Auto Body

    G&C Auto Body

    (43 reviews)

    I got rear ended two times in 6 months and we took both vehicles to this shop for estimates on…read morerepairs and both times they were ultimately deemed losses. The first time I understood, the car was old. I had no problems with the service and returned to them again for my next car. I had issues with the service from the very beginning, some of which were also due to lack of coordination with insurance companies, but overall I did not like the shop's handling of it. Insurance sent over a request for a work order, but then erroneously cancelled it. I called to set up an appointment to bring in my car and G&C told me they could see the work order but it was cancelled. I set the appointment date and contacted the insurance to say the autobody shop thought this work order was cancelled. Insurance guy texts me back that it is uncancelled and then set me up with a rental car to start the same day as the appointment. Well, I went to the appointment a week later and g&c said the order had never been uncancelled. This ultimately is the insurance's fault I guess, but some sort of failure of communication between all parties took place, and I wasted my time bringing in a car to an appointment where they didn't have permission to evaluate it it. I left and got things straightened out-- brought my car back 2 days later, not a big deal, and the insurance approved the repair estimates. Then g&c increased their repair estimates, but it was still covered. Next g&c had to get a part for my car which took time. Then that part came damaged/not up to par. Great, thanks for looking out for me. They had to order another new part, which took like ten days to arrive, while my car is just sitting there and I'm still in a rental. Finally it came in and then they started to actually work on my car and suddenly they told the insurance my car was a total loss. This turned into a big ordeal where that insurance company had to tap out and we had to change to our insurance policy covering the claim, but during that whole process NO ONE from the autobody shop bothered to call me or reply to my texts for nearly two weeks. I specifically texted them for updates/explanations and was not responded to for days and days and then I had to call THEM for them to explain to me it wasn't just the cost of repairs that increased, my car was irreparable. This car was only a few years old and had 12k miles on it. I don't know what happened to it after, but I imagine it still had life to it, since it was still perfectly drivable. I don't know cars, but it probably sold well as a salvage car. Sus. Anyway, this shop kept my car for a MONTH AND A HALF, didn't communicate with me for the last two weeks, got paid to store the car while doing nothing most of that time, and wasted my time by not accurately accessing the damage. I am not someone who normally would write a negative review, but looking back I really am dissatisfied with my experience with this business and God forbid anything happens to my new car, I will not be returning here again.

    I used the AI "assistant" to set up an estimate. On my first visit, I probably should have known to…read morejump ship when the woman working there was dropping f bombs before 8am. They took pictures & sent me an estimate. I was in a minor fender bender. They wanted to replace my rear bumper with an after market bumper & claimed that it wasn't cost effective to repair it. When I advised that my insurance company wanted me to go through the at fault insurance company, that's when it really went downhill. The at fault insurance company assured me multiple times that G & C had what they needed. No joke - I went back & forth between the two with each other claiming they "didn't know what they were doing" 5 different lengthy phone calls, plus my own insurance agent called them three different times. One was the day before my appointment to get it fixed and the at fault GEICO agent assured me they would contact G&C to make sure everything was good to go for my next day appointment to get the car fixed. I texted G&C three days before my appointment (after quite a bit of text communication) to see if I needed to bring the car earlier for better pictures or if they needed anything else before my appointment. I got no response, so assumed my appointment was good to go. I had a rental car reserved. When I showed up for the appointment, I was told it would be a few minutes. I then heard them say they were going to call GEICO and they didn't have what they needed. Really?!? 5 days & you can't contact GEICO for whatever it is you need? You can't call, email or text me back & tell me you still don't have what you need? I tried calling the adjuster that I had spoke to the day before that had assured me they were going to make sure my appointment was good to go and as I was leaving a message for them - I was informed by G & C that they were still on the phone trying to get "what they needed" from GEICO - then they proceeded to chat with whoever they were on the phone with about a different (Tesla Cyber truck) vehicle. I asked if I should just return to work and they could reach out whenever they got what they needed & the reply was: "I don't want to waste your time." I texted on my way back to work to please let me know when they got whatever they needed & never heard back. You already did waste a ton of my time. You didn't communicate. You didn't make an effort, nor did you seem interested in actually repairing my vehicle - which is fine but please be clear from the beginning that you don't want to do business with me. I had to cancel my rental reservation, which made it clear that G & C had not communicated with them at all anyways. I got an appointment with another auto body shop within a day that agreed to repair (not replace) my bumper instantly & helped me with my rental. They had zero issue getting "what they needed" from GEICO. If all you want to work on is Teslas, then only be a Tesla repair shop - please don't pose as an any vehicle insurance auto body shop and/or let incoming patrons know you are not interested in helping them from the get go.

    Pro-Fast - Patched, primed, and painted

    Pro-Fast

    (102 reviews)

    I don't typically submit reviews, however felt that I must do so in this case--as praise should be…read moreshared when it's deserved. Rony goes above and beyond to ensure that a customer's needs and expectations are met (and exceeded). His work is thorough and meticulous. Something that's not commonly seen these days. I had some unfortunate impact-related damage to the back corner of my car, which was a hard spot to fix (since it was on a contoured area of metal). Rony provided a quick and detailed assessment and performed the following work: 1. Pulled out the dented metal (approx. 70%) to reduce the depth. 2. Grinded and sanded the entire area. 3. Filled the remaining dent, shaping the area to match the contours. 4. Priming and sanding 5. Final painting (color matched) and sanding 6. Surface sanding and buffing I was amazed that the area was perfectly repaired and blended--a much better result than most body shops could provide. This is the part that matters the most, as Rony is a true craftsman. He won't just "fix" an issue, but will provide the skills and patience to make sure that it's done right. This talent and skill is rare in auto repair. In addition to the primary fix, he also helped me improve the oxidized paint on my car (hood and roof), fine-sanding and buffing to help restore the finish. The car now looks 10 years newer! In summary, Rony provides a detailed plan, puts in the time & effort, has the creative skill to solve the most challenging issues, and does it all at a fair & reasonable rate. I will not hesitate to contact him in the future with any dent & damage needs.

    I reached out to a few businesses for some scratch damages repair, one of the scratches was pretty…read moregnarly, I was sad and pretty pessimistic about the damage. Roni responded quickly and provided the best quote, he also patiently explained the repair needed for the dent and the scratches. We scheduled for Friday for him to come to my house for the repair. Friday came, Roni arrived early and patiently told me to take my time. He noticed a tiny dent halfway through the repair and fixed that too. He really takes pride in his work. After the repair, Roni even apologized for taking longer than expected because of that tiny dent I didn't notice before. I was so thankful because Roni really cares about the quality of the repair. Roni is kind and patient, and his work is stellar. My husband couldn't even find where the scratches were and he asked Roni for a quote for his car too. I'm so happy I found Roni for this repair job, the cost was reasonable, he provided great customer service and fantastic repair, and my car now brings a smile on my face.

    J and M Auto Customs - bodyshops - Updated August 2026

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