I had a very positive experience with this company. My Diamond-Certified heating and ventilating company, Valley Comfort Heating and Air, suggested that I bring them in to bring my garage up to...
Dias & Sons Construction and Drainage
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Established for over 30 years, Dias & Sons Construction and Drainage in Santa Rosa, CA, specializes in providing top-quality drainage solutions for clients in Northern California. Known for their expertise in water management, the company caters to a wide range of customers, including general contractors, business owners, and homeowners.
Offering a diverse array of services, Dias & Sons Construction is equipped to handle various drainage needs, such as French Drains, Catch Basins, Sump Pumps, Channel Drains, Storm Drains, and Retaining Walls. With a focus on innovative solutions and competitive pricing, the company prides itself on delivering effective results that protect properties from water damage and flooding.
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Reviews
Requested a quote for drain repair. Frank Diaz was super responsive and came out and traced our entire drainage system from downspouts to the street. He pointed out the areas causing the issues we...
I engaged the owner to inspect the sump pump at a home we were considering buying. He said it would be $250 for the inspection. When he arrived he refused to go into the crawl space inspect....

Called & spoke with Frank, the owner. I'm extremely impressed with his knowledge of what I thought was an unusual problem. He will come out tomorrow afternoon to inspect the situation, recommend...
Frank installed a French drain, however, he did not use a transit to maximize the initial depth. Everything was done by eye. In the end, my system could have been much more efficient had he used...