Business Details
50+ Years
experience
Your Trusted Source for Building Materials in Bethesda, MD
Tri-State Stone & Building Supply has been a trusted provider of premium building materials since 1926. As a family-owned business, we specialize in supplying high-quality stone products, including Carderock stone, flagstone, wallstone, and veneers, alongside a comprehensive range of construction materials. Our expertise in mica-schist quartzite and commitment to hand-selecting inventory ensures durability and aesthetic appeal for architects, designers, and homeowners. With over 90 years of service to the Washington DC Metropolitan area, we combine generational knowledge with modern solutions. Our delivery services and extensive product selection cater to both large-scale projects and individual needs.We pride ourselves on being the exclusive quarriers of Carderock Stone, offering unmatched quality and versatility. Our team's deep understanding of local market demands ensures tailored recommendations and reliable support. From landscape boulders to specialty steppers, our inventory meets diverse architectural and landscaping requirements. We maintain rigorous standards in product specifications and customer service, reflecting our long-standing reputation. Our Bethesda, Maryland facility operates with weekday hours and Saturday morning availability to accommodate client schedules.
Services
Building Stone Supply
Flagstone Products
Landscape Boulders
Veneer Installation
Concrete Paver Supply
Mortar & Cement Products
Mulch & Soil Delivery
Stone Cutting Services
Architectural Stone Design
Delivery & Logistics
Details
- Year established: 1926
Highlights and features
- We offer 90+ years of expertise in building material supply.
- We are exclusive quarriers of durable Carderock mica-schist quartzite.
- Our inventory includes hand-selected flagstone, veneers, and boulders.
- We provide delivery services for bulk and bagged materials.
- Family-owned operation ensures personalized customer service.
Services
Building Stone Supply
We provide premium building stone products including Carderock stone, wallstone, and dimensional granite. Our materials suit residential and commercial projects requiring durable, aesthetically pleasing natural stone. Each piece is hand-selected to ensure quality and consistency in color and texture.
Flagstone Products
Our flagstone inventory includes irregular and thermal treads, copings, and sills. These products offer versatile installation options for patios, walkways, and architectural features. The natural mica-schist quartzite provides unique color variations in blues, browns, and greens.
Landscape Boulders
We supply decorative landscape boulders and specialty steppers for outdoor design projects. These elements enhance gardens, retaining walls, and naturalistic settings while maintaining structural integrity and visual appeal through varied textures and sizes.
Veneer Installation
Our thin veneer products include Carderock Premium and Rustic Ashlar options. These lightweight materials replicate natural stone aesthetics for interior/exterior walls, fireplaces, and accent features without requiring extensive structural support.
Concrete Paver Supply
We stock standard Hanover Pavers and offer specialty brands like Nicolock and Techo-Bloc through order fulfillment. Our inventory ensures availability of durable paving solutions for driveways, patios, and commercial hardscaping applications.
Questions
What building materials do you specialize in?
We specialize in Carderock stone, flagstone, veneers, landscape boulders, and concrete pavers. Our inventory includes both bulk and bagged materials like mulch, soil, and cement products.
Are you the original quarriers of Carderock stone?
Yes, we are the exclusive quarriers of Carderock stone, a durable mica-schist quartzite known for its workability and natural color variations used in architectural and landscaping projects.
Do you offer delivery services?
Yes, we provide delivery for all products including bulk stone, mulch, and concrete materials. Delivery pricing details are available upon request for local Washington DC area projects.
What are your business hours?
Our Bethesda facility operates Monday-Friday 7:30 AM-4:00 PM and Saturday mornings from 7:30 AM-11:30 AM. We are closed on Sundays.
How long have you been in business?
We have been family-owned and serving the Washington DC Metropolitan area since 1926, providing premium building materials and expert guidance for over 90 years.
