Frequently Asked Questions

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Yellowstone Valley Rock Supply is a locally family owned and operated business in Billings, MT. We supply landscaping rock all over the region.

  • How much flagstone do I need?

    Each ton of flagstone covers approximately 65 square feet. Measure your project area and divide by 65 to estimate tons needed for your landscaping project.

  • What's the difference between block rock sizes?

    We offer 22-inch and 27-inch block rock options. The 27-inch provides more height per layer and comes in triple-stacked configurations for larger retaining wall projects.

  • Do you deliver rock throughout Montana?

    Yes, we provide delivery services throughout Montana. Contact us for delivery quotes and scheduling based on your project location and material requirements.

  • Can I pick up materials myself?

    Absolutely! We offer both quarry pickup and delivery options. Schedule your pickup time to load materials directly from our Billings location on Racheal Road.

  • What types of granite boulders are available?

    We stock both moss-covered and bald granite boulders in various sizes. These natural stones add focal points and natural beauty to landscape designs.

  • Is decorative crushed rock suitable for walkways?

    Yes, decorative crushed rock works well for walkways and paths. We offer various sizes and materials to match your aesthetic preferences and traffic needs.

  • How do I choose rock for retaining walls?

    Block rock is ideal for retaining walls. Choose 22-inch for standard applications or 27-inch for taller walls requiring fewer courses and enhanced stability.

  • What is architectural veneer stone used for?

    Architectural veneer enhances building exteriors and interior accent walls. It provides natural stone appearance while being lighter than full-thickness stone applications.

  • Do you provide rock testing data?

    Yes, we maintain comprehensive rock test data for our materials including block rock and prairie quartz, ensuring quality standards for construction and landscaping projects.

  • What projects work best with flagstone?

    Flagstone excels in patios, walkways, and outdoor living spaces. Its natural texture provides slip resistance while creating attractive, durable surfaces for high-traffic areas.