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This directory lists Bay Area sources for bulk recycled OMRI compost, mulch, and sheet mulch materials. Products change frequently. For the most up to date information contact the source directly or visit their website. Below are a few additional tools to help with your project:

  • Frequently Asked Questions
    Answers to the most common common questions about sheet mulch materials and tips for buying bulk compost.
  • Mulch Coupons
    EBMUD and Contra Costa Water District have partnered with local nurseries, garden centers, and soil companies to offer discounts on organic mulch. Learn more and print a coupon from the business of your choice, click here.
  • Materials Calculator
    Curious how much material you need?  Our calculator will help provide a rough estimate of cost and materials for your project.