ABOUT US
A-One specializes in owner-occupied, multi-family community reconstruction, roofing, and waterproofing services. A-One works with some of the best Property Management and Community Management companies in the industry. Our projects include Fillmore Heritage Center in San Francisco, Oakland Nursing Homes, Bank of America in multiple locations, Miraval HOA in Santa Clara, Tiara HOA in Hercules, and Market Square in Oakland.
Our focus is to beautify Northern California’s communities. We have a great vision and open mind, and we love to be challenged, so challenge us! Beautify your lifestyle and give us a call!
NO PROJECT IS TOO LARGE OR TOO SMALL
We handle every call no matter how large or small. We are equally eager to send maintenance technicians to make a small repair with a budget not to exceed $300.00, and we also perform and manage multi-million dollar reconstruction projects. A-One maintenance and small repairs have been the foundation of our service set for many years.
EMPOWERING EMPLOYEES TO GET IT DONE!
We have kept a simple culture that rewards hard work and smart thinking, key attributes that bring success to every construction project. Working with homeowner schedules, posting notices, attending board meetings, and creating a plan for a safe community during a project is our priority, all the time, every time. And that’s a promise!

UNIQUELY TRAINED SPECIALIZED CREW
Our top-rated and in-house roofing and waterproofing division is supported by manufacturer-certified roofing and waterproofing crews.
Our destructive testing crews are provided with special training needed to work side by side with the best consultants and attorneys in the industry. Our destructive testing crews are assembled from the best A-One employee crew members. Each destructive testing team member has the training and knowledge needed to help every investigation carried out successfully. These crews are trained using the latest technology.