Complete Plumbing and Process Piping Services

At CNS Mechanical, Inc. we are a family owned and operated business. CNS is fully committed to providing the highest level of quality plumbing and piping services with competitive bids. With 30 years of experience, our top priority is to maintain the highest level of professionalism, integrity, honesty, and fairness in our relationships with our professional associates, subcontractors, suppliers, and customers. We are WBENC-Certified woman owned business and a SBE – Small business enterprise.

Our company provides complete plumbing and piping construction services serving the greater San Francisco Bay Area and surrounding areas. We are a licensed and certified commercial plumbing contractor signatory with Local Union 38 and Local Union 342.

To ensure the longevity of our company, we strive for repeat and referral business achieved through contractor and owner satisfaction in all areas. Our goal is to serve in a timely, ethical, and responsible manner. Our commitment to this philosophy is evidenced by our long-term relationships with our contractors, building engineers and property owners. Our clients value the relationship we build with them and recognize our tireless commitment to quality. Clients who work with us return to CNS Mechanical for all their plumbing needs.

We look forward to the opportunity to work with you in the future as we are confident that we can provide the quality workmanship you are looking for.


Cheri Sankoff

Stephen Sankoff

Steve Sankoff
Vice President

Chris Sankoff

Rebeka Hansen
Office Manager