"Humberto is a very creative problem solver! Personable and definitely interested in customer satisfaction, so spends time understanding the full scope of the problem. The problem was the subterranean north wall of the sanctuary of First Presbyterian Church in Vallejo that was far from being waterproof, especially with the rains last winter. Castaneda dug out the soil next to the wall, pressure washed it and applied two coats of DryLok and then a layer of Henryâ s waterproofing. Then Humberto installed a French drain and then a big pipe to route the water off of five downspouts. To get the correct drainage slope, more excavating needed to be done than anticipated. Removed five landscaped trees and lots of concrete that was in the way of the drains which were to be routed under city sidewalks."

"I am very happy with the job Austin did on my side yard. The work was done quickly, and professionally. I highly recommend him for any excavation, or soil movement."

"I couldn't be happier with the concrete work that was done in my backyard. From start to finish, the team was quick, professional, and incredibly efficient. They showed up on time, communicated clearly throughout the process, and completed the project faster than I expected without sacrificing quality. What impressed me most was how they went above and beyond to make sure everything was done right. They paid attention to the details, kept the work area clean, and made sure I was completely satisfied with the final result. The finished concrete looks fantastic and has completely transformed my backyard. I highly recommend this company to anyone looking for reliable, high-quality concrete work. Excellent service, great workmanship, and a team that truly cares about their customers!"

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's custom needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Here at Raya Engineering, we sustain our company on the principal that our customers come first. We offer services that are tailored to your needs and we're ready to show you what our experience can bring to your project! Call us today!

"They made our property looking amazing now! We are very pleased!"

"US Trench less was referred to me through a friend. I called US Trench less and explained the situation I had in my backyard. US Trench less came out the next day and ran the diagnostic TV scope where we were able to see how bad of shape my pipes were in. US Trench less was able to come out and start working the very next day. The entire job was done in less than 4 days which was amazing considering how quickly they began working. US Trench less was honest, very trustworthy, knowledgeable, and prompt with my situation. I would highly recommend their work!"

"They did a good job, and we were pleased."

"Very well. Matt arrived on time. Actually discovered a leak in my wall and helped open it up as well as installing the tankless water heater."

"Member stated that the service went well. Cleaned the gutters in about 1 hour."