Topsoil and Compost Supply

Sonoma County has issued a subcontract for the supply of certified topsoil, compost, and soil amendments to support the sustainable replanting of vineyards and improve long-term soil health in the region. The procurement is focused on providing high-quality, certified organic materials that meet strict environmental and agricultural standards to ensure resilience and productivity in vineyard ecosystems. All materials must be sourced and processed in compliance with sustainable practices, and delivery is required to the designated site in Sonoma, California, with a ZIP code of 95476. The contract falls under NAICS code 424540, which pertains to agricultural product merchant wholesaling, indicating this is a distribution-focused subcontract rather than a direct service or construction contract. The solicitation was posted on July 9, 2026, and the work is intended to align with broader regional goals for land stewardship and climate-smart agriculture.