About Us


Sierra Plumbing Supply was established in 1994 and has become the number one supplier of plumbing supplies and fixtures in Nevada County. At our Grass Valley location, our Showroom and Shop sell every category of plumbing, irrigation, supplies and products to contractors, plumbers, and homeowners alike. This location boasts an impressive 3,500 square foot Kitchen and Bath Showroom, which has been featured in "Supply House Times" as the best showroom of the year under 4,000 square feet.

Granite Bay Plumbing Gallery opened its doors in December 2015 with an amazing selection of kitchen and bath inventory to fulfill your new home or remodel project needs. This showroom also caters to home owners, contractors, new home builders, and investors.

Our stores provide a wide product selection of value priced lines to high end designer and luxury lines for your home, business or project. We pride ourselves on providing outstanding old-fashioned personal service, great prices, and professional staff. Our experienced sales team will guide you through the myriad of options to ensure you are confident and satisfied with your purchase.