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Builders Alliance

Builders Alliance



Builders Alliance was founded in 1913 to serve the growing needs of professional builders and customer home builders in Washington with lumber, doors, windows, and millwork, and other home renovation products and materials. As a company with a long family-owned and operated history, Builders Alliance has become known as a prominent lumber supplier in the area with unmatched expertise, superior products, and customer-focused service.

Over its many years of operation, Builders Alliance has built a reputation of partnering with the best brands in the industry to ensure they meet their customers’ needs with quality materials. Builders Alliance showcases an assortment of their interior products in a beautiful showroom for builders to view before they buy, along with a covered lumberyard with a wide product assortment and efficient stocking strategy that sets them apart in the Pacific Northwest building industry. Their primary focus is on building relationships, understanding the deliverables, and providing their customers with detailed and timely project management.

(For more info on Builders Alliance, visit their website here).


Project Management

Paint Matching

Jobsite Delivery

Lumber Take-Off

Window & Door Measurement

Roof & Floor Truss Designs

Decking Estimates



Builders Alliance believes that better lumber leads to a better building experience and better result- that’s why Builders Alliance only sells the highest-quality lumber to guarantee success for your project.



Visit Builders Alliance’s kitchen and countertop showroom for inspiration and expert advice to help design or remodel a kitchen or bathroom. Browse top-rated Masterbrand cabinet lines including Schrock, Omega Cabinetry, and Aristokraft to complete your project.



If you need countertops for your project, Builders Alliance is the place to go. Customers can view and buy a wide selection of countertop materials, textures, and colors to fit any aesthetic and design trend.



The opportunities and choices of doors and windows at Builders Alliance go far beyond your average selections. Choose from a variety of designs, materials, and stains from the best door brands in the industry along with a wide selection of windows and window finishing items 



Builders Alliance is decking central– they offer a large selection of deck options including composite, wrapped-composite, PVC, and a variety of softwoods and hardwoods from well-known brands including Fiberon, Azek, TimberTech, Trex, and Wolf.



Purchased from the area’s best builders, Builders Alliance offers a variety of trim, moulding, casing, and wainscoting to provide the finishing touches for your home. Finish your build with millwork from top brands including WindsorOne, Metrie, and Gascoigne Lumber.


Building Materials

Builders Alliance offers a large selection of building material supplies including paint, tools, and hardware. Whether you are remodeling a home or building a new home, Builders Alliance has the building materials you need to start and finish your project. 


Builders Alliance


3801 Hannegan Rd.
Bellingham, WA 98226-9103

Monday – Friday: 7AM to 5PM

Sedro Valley location - new sign


708 Washington 20
Sedro-Woolley, WA 98284

Monday – Friday: 7AM to 5PM

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