Contractors in Downey

“We’ve never seen our office this spotless!
The cleaning team is punctual, professional, and thorough.
They pay attention to every detail, even the hard-to-reach spots.
Communication is smooth and scheduling is flexible.
Highly recommend for a consistently clean and fresh workspace!

We are using them in Los Angeles and Newport Beach“

“Working with Cornejo’s Builders was an excellent experience! They specialize in ADU projects and truly know their craft—from planning to final inspection. Professional, responsive, and detail-oriented throughout the entire process. Highly recommend them for anyone looking to build an ADU the right way!“

“Great business and employees. Came in on 4th of July morning and completed my kid’s bedroom flooring in a few hours. Fast, courteous and, professional. Will definitely hire them for the rest of my projects.“

“Hector Machado has completely transformed our house. We hired him to repair any damages and paint the outside of our house and redo our front porch. He also replaced our windows and replaced our single front door with a double door with new entry lights and outdoor plugs. There was great care and high attention to detail given to everything that was done - from completely sealing all cracks around the entire house to super sharp paint lines. At the end, the most important thing for us was in the finishing touches and fine details, and each and every person that Hector brought in, from the painters to the electrician, all of them left everything impeccable. We could not be any happier and would recommended him to anyone without hesitation. And lastly, Hector is a very nice person and very easy to talk with on any ideas or even any changes that pop up along the way. And this includes all his subcontractors, all very nice and knowledgeable people that cleaned up after themselves each and every time they came. Thank you Hector for the excellent work, we are looking forward to more projects in the future.“

“The owner, Jose is reliable, honest and helped my family build our dream house. From the beginning, he assisted with design, planning and worked within my budget. I'd recommend him and his crew to anyone interested in make changes to their home or adding square footage. As a person that has some experience in contracting, I was pleased to see the company uses quality materials and builds with longevity in mind. Jose, the owner assures that his team delivers based on my request as the customer. One of the better things about working with Bess construction, is the owner and main contractor are directly involved in the project and present/available daily for direction and questions. He also presented tons of options to help us arrive at a desire we now love. With his help, I was able to complete my job on time and on budget!“

“I was looking for a contractor that cares, listens, has a fantastic crew and stands by their work and came in at a fair price. This sounds impossible? well it isn't! Donny and his crew chief Vidal are all about getting the job done right. This is not my first renovation we have undertook. I have renovated over 3 homes in different states and countries and I have never in the end been happy with the contractors I hired to design and complete the work. D & D installation is the first contractor that I have walked away at the end, saying I would definitely use them again and for sure recommend them to any friend looking to renovate their home, whether it be a small or large job like the one we undertook. I think the biggest take away for me was that Donny was very communicative, letting us know every step of the way any of the pitfalls and challenges that they encountered. Vidal is a diamond in the rough! thank you Donny for putting him in charge of the project.“