Welcome to the Saginaw Builders FirstSource! Our Saginaw showroom and lumberyard is your local source for building materials. We have what you need for new projects such as windows, doors, siding, pole barns, storage sheds, garages and more. You will also find a full assortment of building supplies including treated lumber and engineered wood. Our showroom features kitchen designers, a window specialist and a full sales staff that can guide you through your remodel. One of our sales representatives can even meet with you at your jobsite to make sure you receive what your need. Whether you are building a new or custom home, remodeling or taking on any type of DIY home improvement project, we'll help you get the job done. Come visit us today!