A1 Building Contractors LLC is a Sacramento-area design-build contractor specializing in ADUs, custom homes, additions, and residential construction throughout Sacramento, Placer, and El Dorado counties. We provide complete project support from planning, design, engineering, and permitting through construction and final completion, with a focus on clear pricing, quality workmanship, and practical solutions tailored to each property.

A supplier of home improvement & construction products, including lumber & building materials, paint & stain, power & hand tools, lighting & electrical, plumbing, doors, windows, cabinets, and more with multiple locations across the region.

A supplier of home improvement & construction products, including lumber & building materials, paint & stain, power & hand tools, lighting & electrical, plumbing, doors, windows, cabinets, and more with multiple locations across the region.