Welcome to William Leys Waterproofing Consultants LLC

After a long career as a waterproofing contractor and a quality assurance monitor on major San Francisco bay area projects, we opened our doors as the only Waterproofing Consulting firm in San Luis Obispo County in July of 2022.

Bill Leys on a project at Stanford Hospital in Palo Alto

We 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.

Bill Leys, founder and principal of the firm is ready to help you at a cost that’s budget friendly.

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

We serve from Paso Robles out to Bakersfield, down south to Orange County and out to Palm Springs. Give us a call at 805-801-2380 or drop us an email today to get started.

SB-326 Balcony & Deck Inspection Experts + Roof & Waterproofing Consultants