Ted Mayer photo
Ted Mayer
Ted has been a licensed contractor in the San Francisco Bay Area for the past 35 years. After earning a teaching credential, he developed the comprehensive curriculum for the Waterproofing Apprentice Program at San Francisco Community College, a program he also taught for 20 years. He added classifications B, C-39 and ASB to the contractor’s license #331354-C-61.

Ted is involved in all CAWC activities including sales, hiring labor, selecting job materials, estimating, overseeing ongoing jobsite performance, and the creation of specifications for waterproofing packages and roofing in commercial, mixed residential / commercial, and public construction projects.


Brennan Mayer photo
Brennan Mayer
Project Manager
Brennan joined the team in 2010 after graduating from California Polytechnic State University San Luis Obispo with a BS in Business. Brennan is involved in day to day operations including; coordination, quality control, estimating, project management and onsite safety. In 2013, Brennan received his Contractors License ( C-33 Painting & Decorating).
Roy Mayer photo
Roy Mayer
Roy joined the family business in 1980 after graduating from San Jose State University with a BS in Business Law. As with Ted, Roy also has extensive experience in all aspects of exterior restoration and waterproofing.

Roy is an active member of the Sealant Waterproofing and Restoration Institute. Being in the business as long as he has been, he has maintained a dedicated and committed customer base. Roy’s principle has always stood for having a satisfied client. He is married and lives in Burlingame.


Sharon Mayer photo
Sharon Mayer
Office Manager
Sharon is responsible for a number of administrative functions within the organization including; all aspects of bookkeeping, accounts receivable, accounts payable, preparing payroll, internal reporting and collections. She maintains office organization that facilitates a smooth running office.

CAWC Waterproofing & Restoration, Inc.

Founded in 1971 by Ted Mayer, Sr., CAWC is one of Northern California's leading waterproofing and restoration contracting firms. To ensure both quality and durability, our San Mateo-based company uses only the latest products and technology on every project. Customer satisfaction is our first priority.

With over 35 years experience, Ted and Roy Mayer, co-owners of CAWC, can address any of your immediate and long range concerns. Since the beginning, our approach has been to personally supervise the projects to ensure that quality and service meets or exceeds client expectations. Our foreman/supervisors have been employed by CAWC an average of 15 years and have completed four years of waterproofing apprenticeship training through the local union state certified school. Our quality, experience, technical expertise and service provide our customers with the highest possible return on their maintenance investment.


The CAWC Crew