Ready to Make Your New Jersey Construction Project a Reality?

New Jersey’s premier building supplies, lumberyard, and kitchen and bath company is here to provide your home with the ultimate upgrade.

Contact Us

Excelsior & Kaslander Lumber Company

The first choice for all your home improvement projects.

Contact Us

What We Offer

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 kitchen displays.

Learn More

Building Materials

Visit our fully-stocked lumberyard at Butler 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 store is 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

Excelsior Lumber Company

As a family-owned and operated lumber and building materials company, Excelsior Lumber Company is proud to offer our customers a range of materials and services. We provide decking and building supplies for homes and commercial properties in Bergen County, as well as materials for kitchen and bath designs in Morris County. Our lumber yard in Bergen County includes a building supplies store that stocks top quality components, hardware, and fixtures for home improvement and new home construction projects. The experienced and friendly staff at our lumber yard and home improvement store are always here to help, ensuring you have what you need for your renovation or construction project, no matter how big or small.

Custom Kitchen Remodel

Planning a custom kitchen remodel is an excellent way to enhance the value and functionality of any older home or outdated design. A thoughtful renovation can transform the heart of your home into the kitchen of your dreams—without breaking the bank.
At Excelsior Kitchens Company, we are renowned for our expert kitchen and bath designs throughout Morris, Bergen, Sussex, Passaic, and Essex Counties. Our showroom features a variety of semi-custom and custom cabinetry, countertop materials, and hardware, all available for you to explore in person. Whatever your kitchen renovation needs are, our knowledgeable team is here to assist you every step of the way—helping you select the right materials, understand your options, and offering custom kitchen designs tailored to your vision.

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, NJ. Visit our showroom today!

Our History

Clearance

Testimonials

      EXCELLENT  
   Based on 31 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Don Amoruso 
 
 
 
 Trustindex verifies that the original source of the review is Google. I just want to say what a pleasure it was working with Nick Garcia.I was highly impressed with his professionalism and courtesy. A true gentleman!! Can't say enough about my experience dealing with him and his company. Excelsior is a top quality company. Nick, went overboard to make sure everything went smoothly. I would highly recommend them to everyone. Thanks again Nick
  
 
      Posted on Google  
   
   Andrew Saturn 
 
 
 
 Trustindex verifies that the original source of the review is Google. Wood quality is far superior than the big box store
  
 
      Posted on Google  
   
   Heidi Coluni 
 
 
 
 Trustindex verifies that the original source of the review is Google. Adam fixed our Anderson sliding door in 20 minutes. Very skilled and explained how to ensure our sliding door gets more life. We have an older door that the kids broke by hanging on it and they pulled it off the track. He fixed it in now time. Highly knowledgeable and Highly recommend.
  
 
      Posted on Google  
   
   Melvin Perez 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent customer service. It’s my first time doing a deck and they answered every question to the smallest details. The lumber yard crew helped me load the boards and secure them.
  
 
      Posted on Google  
   
   Joseph Giorgio 
 
 
 
 Trustindex verifies that the original source of the review is Google. If you are in the market for cabinetry you need to go to Excelsior Kitchens and go see Karin K. She was great from start to finish. We visited Karin as we were completing a home renovation and needed some new kitchen and bath cabinetry. Karin was great to work with from the second we walked in. We was helpful, guided us to great decisions and worked within our budget. We would highly recommend her to anyone in the market for a new kitchen or bath. A huge thanks to Karin for all of her help!
  
 
      Posted on Google  
   
   Felipe K 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great customer service

Latest Blogs

Discover the latest trends in the world of home improvement and renovations.

Blogs

Your Guide to Cabinet Construction Types

At Excelsior Kitchen & Bath Design, we understand the importance of creating a space that reflects your style and meets your functional needs. As your trusted partner in home improvement, we're here to guide you through the intricate world of cabinet construction...

Homeowner’s Guide to Designing an Accessible Bathroom

Creating an accessible bathroom is a thoughtful and practical investment that can greatly enhance the quality of life for homeowners and their guests. Whether you're planning for the long term with aging in mind or considering the needs of family members with...

How To Protect and Preserve Your Wooden Deck

A wooden deck can be a stunning addition to your home, providing a cozy space for outdoor gatherings, relaxation, and enjoying the beauty of nature. However, to ensure your deck remains beautiful and functional for years to come, it's crucial to invest time and effort...

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!

Join Our Network

Join Now

Ready to Make Your New Jersey Construction Project a Reality?

Excelsior & Kaslander Lumber Company

What We Offer

Lumber & Lumberyards

Kitchen & Bath

Building Materials

Tools & Equipment

Doors, Windows & Skylights

Excelsior Lumber Company

Custom Kitchen Remodel

Over 60 Years of Superior Service, Quality, and Professionalism

Clearance

Testimonials

Latest Blogs

Your Guide to Cabinet Construction Types

Homeowner’s Guide to Designing an Accessible Bathroom

How To Protect and Preserve Your Wooden Deck

Sign Up for Updates

Join Our Network

Popular Brands