ABOUT US

With more than 20 years of experience, we provide reliable roofing and waterproofing solutions across the Bay Area

Our commitment to excellence and attention to detail have earned us a trusted reputation for superior craftsmanship and customer satisfaction.

We are more than a roofing company—we are your partners in protecting your home or business. By combining premium materials, innovative techniques, and personalized service, we ensure every project exceeds expectations.

Rooted in the Bay Area, we’ve built lasting relationships and a legacy of trust within our community. Whether you need roofing, waterproofing, or both, we deliver reliable solutions designed to stand the test of time.

Take a look on what other people are saying about us.

I have had the pleasure of working with Jaime Arellano for over a decade across multiple companies, and his professionalism, honesty, and dedication to quality have always stood out. Now, with his own company, Alpha One Roofing, Jaime continues to uphold the highest standards in the industry. Jaime is incredibly reliable, always available, and committed to delivering top-tier workmanship. His attention to detail and quality control ensure that every project is completed to perfection. What truly sets him apart is his accountability—if any issues arise, he takes full responsibility and makes sure they are addressed promptly and correctly. With Alpha One Roofing, Jaime brings his wealth of experience and integrity to every job. If you're looking for a trustworthy and skilled roofing/waterproofing company, I highly recommend Jaime and his team!

(YMCA)

What Sets Us Apart

Expertise That Delivers Results

With over 20 years of hands-on experience, we bring unmatched knowledge and skill to every project. From complex roofing installations to intricate waterproofing systems, our expertise ensures long-lasting solutions tailored to your specific needs. We stay updated with the latest industry innovations to provide you with modern, effective approaches that stand the test of time.

Quality You Can Trust

Our work is defined by precision, craftsmanship, and the use of premium materials. Every project we undertake is carefully executed to meet the highest standards of quality and durability. Whether it’s protecting your property from water damage or enhancing its curb appeal, we’re committed to delivering results that you can rely on for years to come.

Customer-Focused Service

Your satisfaction is at the heart of everything we do. From the moment we connect, we focus on understanding your goals and providing personalized solutions. Our transparent communication, dependable timelines, and attention to detail ensure a smooth experience. More than just completing a job, we aim to build lasting relationships based on trust and reliability.