Kaizen - Fullerton

4.9 (773reviews)
99%
700 Williamson Ave,  Fullerton,  CA  92832

In operation 57 years.

From the start, Kaizen Collision Center was creative in choosing what opportunities to pursue. We embrace OEM Certifications, Dealership Relationships, electrical vehicle repair, employee training and building relationships within the community. Kaizen means to continuously improve; this is our motto every day. Each day we work hard to provide customers with the highest level of auto repair service in a friendly and comfortable atmosphere. We are excited for the next phase of growth and look forward to establishing Kaizen Collision Center as the leading repair platform in the country. With our continued growth, opportunities for employees and ability to supersede client relationships Kaizen will continue to grow.

Services
  • Free Estimates
  • Insurance Company Assistance
  • Lifetime Warranty
  • Full Service Mechanical
  • Towing
  • Automotive Glass Replacement
  • Paintless Dent Repair
Payment Types
  • American Express
  • Discover Card
  • MasterCard
  • Visa
  • Debit Card
Languages
  • Spanish
Hours
Sun Closed
Mon 8:00 am - 5:30 pm
Tue 8:00 am - 5:30 pm
Wed 8:00 am - 5:30 pm
Thu 8:00 am - 5:30 pm
Fri 8:00 am - 5:30 pm
Sat Closed
* Holiday hours may differ.
Ford
I-Car

Reviews (773)

Customers say
Overall Customer Satisfaction
Customers consistently praise the shop for delivering exceptional service quality, with repairs frequently described as leaving vehicles looking brand new. The team receives high marks for professionalism, friendliness, and genuine care throughout the repair process. Communication stands out as a key strength, with customers appreciating regular updates via calls, texts, and emails that kept them informed every step of the way. Timeliness is another highlight, as many customers noted their vehicles were completed ahead of schedule. A few customers mentioned minor issues such as parts delays, small cosmetic concerns upon pickup, or interior cleanliness, reflecting areas customers feel could be refined further.
Select to learn more
"... free. They deliver professional services and their client care is beyond excellent." Read more
"... crew was professional, attentive, and courteous. The job they did was phenomenal and the communication was excellent." Read more
"Working with Kaizen was a smooth process from start to finish. I appreciated how they genuinely cared for me and ..." Read more
"... second time I have had work done on a car and they exceeded expectations. Staff were friendly and efficient and my car was completed in a timely manner. Price ..." Read more
"... service, the process was clear, easy, and stress free. The work on my vehicle is flawless, it looks brand new!" Read more
"The vehicle was completed 5 days prior to initial estimated time."
"My car was a week early. So relieved to get it back sooner than expected."
"These guys did a great job. They got my card done ahead of schedule and it looked great. I would gladly use them again or would refer friends ..." Read more
"I got my car earlier than expected."
"My vehicle was repaired way ahead of the proposed time frame."
"Between the emails, texts, and phone calls, I could not have expected better communication through the process."
"They called or messaged me repeatedly to update me on the process. I was very informed and knew what was going on."
"I received emails and phone calls consistently for the status of my vehicle"
"Know how to keep your customer informed and happy."
"Constant communication never had to call to follow up on my vehicle"

My Experience

Customer service was extremely helpful and excellent service keep me updated with my vehicle.

Likely to Recommend

Very lik

Repair Quality

Customer Service

Excellent customer service

Likely to Recommend

Repair Quality

Customer Service

Likely to Recommend

Repair Quality

Our car looked brand new after the repairs

Customer Service

Friendly and prompt service! Would come again.

Returned Clean

My Experience

Great customer service and I appreciate you making the process so easy. Thank you

Likely to Recommend

I will recommend Kaizen to everyone and especially to single women. They are very honest and a reputable and customer service oriented company and highly skilled.

Repair Quality

Kaizen is amazing. Trustworthy, great customer service and communication.

Customer Service

Customer service is 10+ stars. I highly recommend and you will not be disappointed.

Likely to Recommend

Repair Quality

Great quick service. Good communication and very flexible with scheduling

Customer Service

Returned Clean

Likely to Recommend

Repair Quality

Customer Service

Returned Clean

Likely to Recommend

I would recommend them wholeheartedly.

Repair Quality

One of the most professional, courteous, and detail-conscious businesses I have ever encountered. From the moment I stepped into their office to the point at which they handed me the keys to my repaired Honda, they were friendly, transparent, and helpful, even offering me a ride. I'm super happy with my car (which they cleaned inside and out) and glad my insurance company recommended them.

Customer Service

Best ever

Returned Clean

My Experience

Henry was extremely friendly knowledgeable and put me in a rental vehicle immediately. I received regular updates and when I pick up my truck it was spotless. The crew did an amazing job detailing my truck. I will recommend all my family and friends to Kaizen

Likely to Recommend

Repair Quality

Customer Service

My Experience

Likely to Recommend

Repair Quality

Great repair works. Took longer than expected

Customer Service

Very friendly, explained what had to be done, etc.

Returned Clean

My Experience

Very happy with my repair on my 2026 Ford mustang.David made the stressful process very smooth from start to finish. The car looked like I first got it from the dealership.The inside was detailed and very clean . I would not hesitate to bring any of my cars for repairs.

Likely to Recommend

Repair Quality

Customer Service

Likely to Recommend

Repair Quality

Always very friendly and happy to work with you. Car is in pretty good shape after their work.

Customer Service

Returned Clean

My Experience

My Experience

Great work

Likely to Recommend

Repair Quality

Customer Service

Returned Clean

Likely to Recommend

Repair Quality

Customer Service

Returned Clean

Likely to Recommend

Repair Quality

Henry Gomez is great along with his staff

Customer Service

My Experience

Overall well done work Henry promised me a date and was spot on vehicle looks good as new

Likely to Recommend

Telling everyone I know if they ever get in a accident

Repair Quality

Overall happy how it came out

Customer Service

Everyone in there customer service at its finest

Returned Clean

Likely to Recommend

Repair Quality

They were friendly and got my repairs done quickly.

Customer Service

Very nice staff.

Returned Clean

My Experience

Great work!!!

Likely to Recommend

Repair Quality

Customer Service

Returned Clean

Likely to Recommend

Repair Quality

Great job. Like new again.

Customer Service

Returned Clean