President Bill Leys spent 10+ years as a licensed waterproofing contractor – waterproofing Hollywood stars homes, rehabbing condominiums and apartments throughout California and even waterproofing Tiger swimming pools at the Oakland Zoo, .

Bill has worked as a quality assurance monitor for the Bay area’s largest AE firm on major San Francisco Bay area projects such as the Louise Packard Children’s Hospital in Palo Alto, Google in Mountain View, Facebook and other Fortune 100 companies .

Bill was a technical service representative with an international waterproofing and roofing systems manufacturer  before opening the  doors as the only Building Envelope Consulting (BEC) firm in San Luis Obispo County in 2022.

Since opening, William Leys Waterproofing Consultants LLC, we’ve helped homeowners, condominium HOA’s, commercial building owners, architects and engineers just like yourself with their water intrusion problems, building envelope designs and construction defect investigations throughout California.

We are one of the best  SB326 deck inspectors in the business. With over 20 years of experience, Bill has consistently set the bar in performing deck, roof and building envelope inspections for hundreds of clients throughout California.

I invite you to browse our website and learn more about our services, including balcony inspections for HOA’s under SB 326, leak investigations and leak testing, property condition assessments and quality assurance observation services. Be sure to visit our articles page to download our articles that have been published in JLC Magazine and other publications.

William Leys Waterproofing Consultants LLC is ready to help get your building envelope problems fixed at a cost that’s friendly to your budget with our affordable expertise!

We are fully insured with General Liability, Errors and Omissions and Workers Compensation insurance.