Precision-Crafted Stair Parts and Materials
Building or renovating a staircase is a big project, but it’s one you can continue to enjoy for decades to come. To get the best out of your investment, start your build with professional-quality materials from Coastal Supply Company. We stock only the finest stair parts and accessories on the market, such as treads and risers to balusters and newel posts. For a more distinctive appearance, talk to our consultants about custom millwork to help tie the elements of your staircase together. Whatever you choose, our exceptional product selection will ensure:- Unique and uncompromising styling
- Superior safety, durability and longevity
- Impressive value and build quality
At Coastal Supply Company, we provide premium stair parts and components to help builders, designers and homeowners bring their stair projects to life. Whether you’re replacing worn parts or starting a new build, our stair materials are built for style and durability.
We provide high-quality materials for stair installation, offering the parts and guidance you need while leaving the installation to your contractor or builder. From treads to handrails, our products combine quality craftsmanship with great value and expert support from our knowledgeable team.
High-Quality Stair Parts for Every Project
Coastal Supply Company offers a selection of high-quality stair parts designed to meet both residential and commercial needs. From classic wood styles to modern custom options, our components are built for strength, style and long-term performance. Whether you’re replacing a few elements or sourcing materials for a full staircase, we help you find the right fit for your space and design. Our knowledgeable team works closely with builders and designers to ensure every detail supports your project’s goals, both structurally and visually, without exceeding your budget.
Custom Millwork and Specialty Stair Components
Need something specific to match a historic look or custom build? Our on-site millwork production facility allows us to create custom stair parts tailored to your exact specifications. With over 50 years of construction and supply experience, we’ve worked on projects of all sizes across South Florida. Architects, contractors and designers trust us for custom stair solutions that meet both code and design expectations. We help you match dimensions, select the right wood species and maintain visual consistency throughout your project. Our team will guide you through the process to ensure everything is accurate before you begin your stair installation:
- Precise measurements for consistent quality
- Specialty wood species available upon request
- Support from experienced millwork professionals
- Fast turnaround times for commercial jobs
- Showroom available for product previews
Why Builders Choose Coastal Supply Company
Since 2009, Coastal Supply Company has provided South Florida contractors and builders with high-quality stair parts and competitive pricing. We serve Palm Beach, Broward and Dade Counties with expert-level product knowledge, fast access to materials and personal service you won’t find at big-box stores. Our family-run business brings 50 years of experience in construction supply, giving us the edge to support your stair installation project with confidence. Whether you’re a general contractor or managing a custom home build, you can count on us for consistent service, dependable materials and clear answers when you need them most.