Approved
Cornerstone Build Company, LLC
Concrete Foundation Installation, Stamped Concrete Installation, Retaining Wall Installation,
About us
Cornerstone Build Co. is a licensed Arizona general contractor, ROC 366061, pouring concrete across the East Valley and Tucson since 1996. We specialize in driveways, patios, walkways, and decorative and stamped concrete built to last in the desert heat. Proper control joints, correct curing, and finishes that hold up to the Arizona sun, every single time. We also build the structures that hold the line and the spaces that go on top: engineered retaining walls, paver work, pergolas, outdoor kitchens, and fire features. When the slab is the foundation of your whole backyard, you want a crew that gets it right the first time. Every project runs through one team with a single point of contact, from your free estimate to the final pour. No runaround, no surprises, just clear communication and concrete work that lasts. We treat your property like it matters, because to us it truly does. Licensed, bonded, and insured. Call Cornerstone Build Co. for your free estimate today.
Business highlights
8 years of experience
Amenities
Free Estimates
Yes
Warranties
Yes
Accepted Payment Methods
- CreditCard
Reviews
4.878 Reviews
| Number of Stars | Image of Distribution | Number of Ratings |
|---|---|---|
| 92% | ||
| 5% | ||
| 0% | ||
| 0% | ||
| 3% |
Filter reviews by service
Showing 1-25 of 78 reviews
Stephen L.
Aug 2026
Google Review
Great crew to work with great communications with the owner. Excellent job when they were done.
Kratos L.
Aug 2026
Google Review
Joshua and the guys here were amazing
Super quick to respond for a quote. Price was reasonable from other quotes but went with them as they were very prompt in returning calls and estimate. Joshua and team got everything done in one very long day for them. They also moved the rocks into to my backyard to help level some areas. Overall super happy, will use them again in the future. Before and after pics for your viewing.
Rebekka G.
Aug 2026
Google Review
The team at Cornerstone was EXCEPTIONAL. From first time communication to finalizing the job, they were on time, clear with what they were doing and also helped me fix a few other things that had been on my list. They answered all my questions and they are reasonably priced. I would highly recommend them.
Thomas G.
Aug 2026
Concrete Patios, Walks & Steps Installation
Speed...Price...
Zack L.
Jul 2026
Driveway
Joshua and his team were awesome. They were very prompt in all aspects of the job, from getting a quote done quickly and easily, scheduling, & performing the work. Joshua and his team got done ahead of schedule. They cleaned up the area when they were done as well. Joshua followed up after all work was done to make sure I was happy with the job after having a chance to look it over. Keep up the great work you guys!
Serena M.
Oct 2022
Amazing people! Honest and hardworking and very fair pricing!
Melinda T.
Oct 2022
This company is very thorough and completely detailed, not one thing was left undone. They were on time every time. Neither was there a mess left behind. I would highly recommend them for ANY project that anyone might need to be done. If you want professional results at a great price, this is your company of choice, you will NOT be disappointed!!
Randall L.
Oct 2022
Joshua and laborer was awesome
Martha P.
Oct 2022
Joshua quoted me a price and came out the same day that I called him.
Joseph T.
Oct 2022
J&J Home Solutions completed the project in a timely manner and it was exactly what I wanted.
Andrew W.
Jun 2019
Very quick return to my post . Was On Time , very professional , excellent quality of workmanship went over and beyond.would recommend to any one who needs any kind of electrical work done .
Andy K.
Jun 2019
JIMMIE J.
Mar 2019
excellent quality of workmanship. on time. hired him again for water softener project. easy to work with.
Nora B.
Jan 2019
On time. nice .Installed new part to water heater.
Response from Cornerstone Build Company, LLC
"Thank you for the review. Is there any way we may increase your satisfaction for our services seeing you left us with only 4 stars?"
LINDA D.
Jan 2019
He answered my call within seconds. Others took an hour Or more. Also was very knowledgeable
Michael P.
Dec 2018
Great quality work and customer service performed in a timely manner.
Dustan S.
Dec 2018
Was very reasonable for price, i was able to text in the case of an emergency and he found time in his day to come out and help fix something for the best price compared to anyone. Friendly and professional. Glad i used this company, they didn’t cut corners either.
Debra L.
Nov 2018
JZ construction did a wonderful job cleaning my gutters. They were prompt in getting back with me and was able to get my job in an extremely timely manner. I definately recommend this company to others
Terry B.
Nov 2018
JZ Construction took before and after photos which were helpful.
Adam S.
Nov 2018
Professional. On time. Got the job done! Would use them again!
SHIRLEY T.
Oct 2018
The people were very pleasant. They were thorough on the job I hired them to do...not careless...took their time so as not to damage my property.
Becca D.
Sep 2018
J.z. Construction is an amazing company. Josh Zeldon the owner is very professional and does great work. I needed heat tape put on my pipes and an electrical box added to my interior fuse box. He helped with odd jobs like yard clean up and removal were performed and they were very thorough. I still plan on utilizing josh for other repairs in the future. His family also was a wonderful crew who helped with one of the jobs. I need a company like Jz they do large jobs and small and he explained everything a few times down to every detail. Thank you Josh, you are my contracting hero!
Response from Cornerstone Build Company, LLC
"Thank you for your review."
George L.
Sep 2018
He was very prompt and explained exactly how he was going to install the hot water heater He Cleaned up after the project and was very good about not tracking anything on the floors-Great job for the money.
Rebecca B.
Sep 2018
Joshua was extremely professional. I will definitely call him again for any plumbing or repairs when needed.
Response from Cornerstone Build Company, LLC
"Thank you!"
Susan W.
Aug 2018
Got on the job quickly at a fair price. Got rid of all the junk and cleaned house - exactly what I needed
Licensing
Licensed*
Trade License Number
ROC 366061
Trade License Locale
AZ
Trade License Expiration
06/30/2028
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our Find Licensing Requirements page.
*Contact business to see additional licenses.
FAQ
Cornerstone Build Company, LLC is currently rated 4.8 overall out of 5.
Monday: 8:00 AM - 6:00 PM
Tuesday: 8:00 AM - 6:00 PM
Wednesday: 8:00 AM - 6:00 PM
Thursday: 8:00 AM - 6:00 PM
Friday: 8:00 AM - 6:00 PM
Saturday: 8:00 AM - 6:00 PM
Sunday: Closed
Cornerstone Build Company, LLC accepts the following forms of payment: CreditCard
Yes, Cornerstone Build Company, LLC offers free project estimates.
No, Cornerstone Build Company, LLC does not offer eco-friendly accreditations.
No, Cornerstone Build Company, LLC does not offer emergency services.
Yes, Cornerstone Build Company, LLC offers warranties.