
Providing Plumbing, Electrical, and Mechanical Products

California's Leader in Plumbing and Electrical Product Pricing
Your Strategic Partner in West Coast Construction
In an industry where timing is everything, having dependable building construction material suppliers can be the difference between a project that thrives and one that stalls. LL Construction Supply serves as a vital link in the supply chain, moving beyond simple transactions to provide a comprehensive resource for contractors and developers throughout the West Coast. We understand that every residential or commercial site has its own set of logistical hurdles, and our mission is to simplify your workflow by providing high-quality plumbing, electrical, and mechanical components exactly when they are needed.
Our Catalog
Serving Both Commercial & Residential Customers
Why LL Construction Supply?

LL Construction Supply is a company that specializes in selling a selection of plumbing, electrical, and mechanical products at competitive prices. We partner with manufacturers to develop customized product lines tailored to your business' needs. Consider us a strategic ally and valuable extension of your business -- supporting the success of your current or upcoming projects. As a plumbing supply company based in the SF Bay Area, we serve both commercial and residential partners across Northern California & Arizona.
Tailored Procurement for Complex Project Demands
Navigating the complexities of large-scale builds requires more than just a standard catalog; it requires a versatile partner. As specialized suppliers of building materials, we go beyond off-the-shelf solutions by offering custom procurement services for mechanical and electrical systems. Our deep-rooted relationships with industry manufacturers allow us to secure hard-to-find components and specialized hardware that keep your workflow uninterrupted. We serve as a seamless extension of your purchasing department, providing the technical support and inventory depth necessary to handle everything from high-density housing to specialized industrial facilities.