Best Road Construction Company Downey Near Me

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Your premier concrete contractor in Downey, CA and the surrounding area. We can handle all your concrete work in one place, ensuring that one simple call gets you the service you need. Our experts ensure safety and longevity in our structures. We can help with all of your concrete projects.


Let me first start off by saying this is something I usually do not do (write reviews). Unless the experience was horrible or a good/great.


Quartz J Concrete (Ulises and Max) were great, on time, and a pleasant personality. Let's not forget reasonable priced.


I had my approach widen. Quartz J did an excellent job.

Would I use them again? Yes, infact I plan to use them in the near future. Would I recommend them? Yes.

I received four (4) different bids from contractors to do two (2) driveway approaches and I have to say Quartz J. Concrete was reasonable and very professional. The most comforting was that from day one, he was very responsive, assessed the work, produced an estimate, set efficient timelines to do the work and completed my job quickly and professionally. They also provide zero interest financing. I’ve worked with many contractors when I built my house and I highly recommend them.

I had been searching online for someone to replace my old residential driveway and found Quartz J concrete, this was one of the best decisions I've made in a long time. 1. Gave them a call and right away I was set up with an appointment the next business day. 2. Came to my home the customer service was excellent very knowledgeable about concrete work. 3. Came on time with all the equipment and personal to do the job I couldn't have asked for a more professional job that I received " These Guys Are The Best Unlike The Rest"

Thanks you so much for providing me with such a great experience.

1. They have a C8/Class A license. (This is a big thing because NOT all concrete contractor have this.) He can even work on city owned sidewalk.

2. My job was on city property. He widen my approach to my driveway from 10 feet to 15 feet. He has to know how to make the approach to my driveway a certain angle. He did such an awesome job, like an artist. Please see my attached picture.

3. Before the job started, the owner Ulises went to the city and applied for the permit for me. Therefore, he is licensed and insured. (This means he knows the routine to get a permit.) I didn't have to do anything.

4. His price is very reasonable. I got several bids and his is good.

5. Ulises is just a good person. These are the type of people you want. I hope he stays around forever.

6. The city inspector actually talked highly of his job quality. This is the city inspector who see jobs everyday. The city inspector out of no where just told me I hired a really talented person.

Quartz J was very professional and accommodating. They came in with a large group of workers and completed our brand new patio, Fire pit, sports court, sidewalk, and patio wall. Their team was all smiles and great to work with. The wife and I couldn’t be happier. Strongly recommend...

Ulises and crew demo'd two ugly box concrete steps that were somewhat hazardous, and installed three beautiful custom steps that added value to my home. The transformation of the steps was amazing! Ulises was very detailed, he explained the procedure, and how long the job would take. He offered some suggestions that made the project look better. I am extremely please with his work and would recommend him and call upon him again. Thank you Ulises, you and your crew are truly great at your craft.

I had Quart J Concrete Inc install a concrete 15’ x 15’ slab and concrete entire sides of my house. Very good work, professional, reliable. Always addressed any concerns I had. Would absolutely use again!!

We specialize in all forms of Concrete Contractor work and take on all jobs