UNSPSC 10171800: Soil conditioners

Products that are used to improve the physical and chemical properties of soil in order to promote plant growth.

UNSPSC 10171800 Soil conditioners (Class) encompasses mulch, compost, erosion control materials, and related soil amendment products that state and local governments procure for landscape maintenance, landfill operations, stormwater infrastructure, and grounds care. Recent solicitations show purchasing bodies acquiring hardwood mulch and engineered wood fiber for school grounds, hydroseeding and erosion control materials for landfill slope stabilization, odor-control compost media for utility vacuum stations, and landscape mulch for administrative facilities. Issuing bodies span school districts, county departments of waste management and parks, cities, and special-purpose authorities managing landfill, stormwater, and grounds operations.

Activity appears concentrated in the Southeast and Mountain West, with recent opportunities from Sacramento County and the City of Savannah in Georgia, Sarasota County in Florida, Hillsborough County in Tampa, Greenville County in South Carolina, Boulder County in Colorado, and the City of Tucson. Parkway School District in Missouri solicited hardwood mulch and engineered wood fiber on a blanket purchase-order basis with estimated annual spend of $50,000 (RFB 2740, due September 17, 2026). Sacramento County's Department of Waste Management and Recycling sought erosion control services including hydroseeding and compost application across four facilities through RFB 2026-RFB-0049 (due June 11, 2026), with annual work required prior to each wet season. Sarasota County requested bids for odor control mulch bed media refurbishment and replacement at nine public utility vacuum stations under IFB 262888RM (due August 7, 2026), spanning five years of maintenance and replacement. The City of Tucson established a qualified vendor list for green stormwater infrastructure landscape maintenance covering routine mulch and structural maintenance across approximately 500 GSI assets (RFP 250, submissions through May 22, 2025, contract through April 10, 2030). Greenville County, South Carolina procured mulching services for its administration building through RFP 26099 (due April 21, 2026).