Opportunity

Sonoma County Supplier Systems #SC001-0000002206

On-call environmental consulting services for Sonoma County projects

Posted

October 16, 2026

Respond By

November 19, 2026

Identifier

SC001-0000002206

NAICS

541620, 541330, 562910

Sonoma County is seeking qualified firms for on-call environmental consulting to support infrastructure and other Public Infrastructure projects. - Government buyer: County of Sonoma, through Sonoma County Public Infrastructure (SPI); primary support is for the Engineering Division, with potential work for Integrated Waste, Transit, Airport, Land Development, Construction Management, and County Service Districts. - Services requested: Environmental review and clearances, including CEQA and NEPA; biological, cultural, archaeological, tribal, and historic-structure studies; permitting; mitigation design and implementation; and related environmental technical and professional services. Potential work also includes construction monitoring, wetlands and hazardous-materials assessments, air and water quality work, sound monitoring, and visualizations. - OEMs and vendors: No OEMs, manufacturers, or service vendors are named. - Workload and value: The County may select up to 10 consulting firms for agreements with a combined not-to-exceed value of $15 million. No minimum work is guaranteed; projects will be assigned through task orders competed among selected firms. - Notable requirements: Fieldwork may involve night work or remote County locations. Covered employees are subject to the County living-wage minimum of $23.84 per hour. DBE commitment forms are not required with the qualifications submission.

Description

The County of Sonoma seeks statements of qualifications from firms to provide on-call environmental consulting services, primarily for road and bridge projects and potentially for other County divisions and districts. Services may include environmental, biological, and cultural consultation, research, and technical and professional services for environmental review, including support for environmental clearances and permits. Work will be assigned through project-specific task orders; an agreement does not guarantee a minimum amount of work. The County anticipates agreements with up to ten consultants for three years, with two optional one-year extensions, and an aggregate not-to-exceed value of $15,000,000.

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