Open toolbar Newark 973-483-4452 Butler 973-838-1515 Kitchen & Bath 973-838-2836 Get a Quote 12 Video Player What We Offer Decking & Railing Add value to your property with a stunning deck and outdoor living space. From Trex and Fiberon to Wolf Decking and Railing Systems and more, we carry an extensive selection of quality products for all your decking and railing system needs. VIEW BRANDS Lumber & Lumberyards Choose from our impressive selection of natural and engineered lumber for all your home constructions projects. We offer nothing but the best quality lumber from Boise Cascade and Eastern Engineered Wood Products. VIEW BRANDS Kitchen & Bath Upgrade your home to reflect your unique style with our full-service kitchen and bath design solutions. Visit our Butler showroom and get inspired by our high-quality cabinetry and custom-designed L-shaped kitchen islands. LEARN MORE Building Materials Visit our fully-stocked lumberyard at Butler or Newark, New Jersey, and find all the building materials you need to get the job done. You can also contact us for custom orders! LEARN MORE Tools & Equipment We have all the tools and equipment you need to finish your DIY home improvement projects. Our Butler and Newark stores are well-stocked with quality products from trusted partners. LEARN MORE Doors, Windows & Skylights We stock many popular product lines and do countless custom orders to meet all your project needs. Excelsior Lumber is also a proud Andersen® Excellence Dealer and one of the area’s only Andersen dealers with two Andersen service technicians. LEARN MORE Over 60 Years of Superior Service, Quality, and Professionalism For over 60 years, Excelsior Lumber Company has aided property owners across New Jersey with all their construction needs. Steeped in the history of New Jersey and well-renowned for our impeccable service, quality products, and knowledgeable staff, Excelsior and Kaslander Lumber Company is the home improvement and construction partner you need to make your vision a reality. We are now conveniently open at two primary locations: Excelsior Lumber Company and Excelsior Kitchen and Bath showroom in Butler and Kaslander Lumber Company conveniently in Newark, NJ. Visit our showrooms today! OUR HISTORY Testimonials 123 Latest Blogs Discover the latest trends in the world of home improvement and renovations. BLOGS 123 Sign Up for Updates Be the first to learn about the latest tools and products you need to succeed in your next home improvement project! SIGN UP Join Our Network JOIN NOW Popular Brands FAQS Privacy Policy Resources Corporate Responsibility Policy Kaslander Lumber Co. 373 North 5th Street Newark, NJ 07107 T 973.483.4452 GET DIRECTIONS M-F 7:30am – 4:00pm Sat 7:30am – 12:00pm Sun Closed Excelsior Lumber Co. 140 Hamburg Turnpike Butler, NJ 07405 US T +1 973 838 1515 GET DIRECTIONS M-F 7:00am – 4:30pm Sat 8:00am – 12:00pm Sun Closed Excelsior Kitchen & Bath Designs 140 Hamburg Turnpike Butler, NJ 07405 T 973.838.2836 GET DIRECTIONS M – F 9:00am – 5:00pm Sat 9:00am – 12:00pm Sun Closed *Other hours available by appointment Copyright © 2021 Excelsior Lumber Company | All Rights Reserved | Site Created by SocialJack Media English