Welcome to Jefferson Lumber & Millwork Corporation, a trusted and reputable brand in the lumber and building industry for over 75 years. Located in Lake Hopatcong, NJ, we proudly serve homeowners and contractors throughout Northern NJ. At Jefferson Lumber & Millwork Corp., we specialize in stair and railing manufacturing, decking, as well as custom doors and windows.

Our family-owned business takes great pride in delivering quality products and exceptional services to our valued customers. Founded in 1947 by brothers Albert and Ralph Quaranta, our company has built a strong reputation based on superior craftsmanship, knowledgeable advice, and a wide range of offerings. In our ten-acre yard, we stock a full line of framing and treated lumber, including Douglas Fir and pressure-treated lumber from the best mills in North America.

We also carry a large inventory of plywood, hardwoods, and special furniture-grade veneered plywood. Visit us today and experience our commitment to quality, expertise, and personalized customer service. Jefferson Lumber & Millwork Corp., your trusted partner in the construction and remodeling industry