This Subcontract opportunity from California was posted on October 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Stewardship and Species Protection

Closed

State & Local

Submission Closed11/05/2026, 02:00:00 PM PST

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541620

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AI Contract Overview

This subcontract for Environmental Stewardship and Species Protection supports prime contractors on California Department of Transportation highway projects located in Sonoma, California. The selected provider will be responsible for performing environmental monitoring and implementing critical protections for regulated species, which includes conducting daily inspections of culverts, hoses, and pipes, managing trench escape ramps, and monitoring vehicle speeds in unpaved areas. The role requires specialized knowledge of local regulated species and strict adherence to Caltrans stewardship protocols to ensure full regulatory compliance. The contractor is expected to deliver detailed compliance reports as part of their deliverables. Interested parties must respond by November 5, 2026, under NAICS code 541620.

General Info

Environmental monitoring and species protection for Caltrans highway projects in Sonoma, California.

Agency

California Department of Transportation

NAICS

541620 - Environmental Consulting Services

Place of Performance

Sonoma, CA, 95476, USA

Set-Aside

NONE

Documents

This scope was carved out of 04-3Y7104.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Construction On State Highway In Sonoma County Near Boyes Hot Springs From Donald Street To 0.1 Mile South Of Lomita Avenue

AI Contract Breakdown

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Timeline

PhaseClosed

PostedOct 12

subcontract

Response DeadlineNov 5

Deadline has passed

Submission Closed

11/05/2026, 02:00:00 PM PST

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Organization & Contact Information

AgencyCalifornia Department of Transportation

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia Department of Transportation

Office AddressN/A

ContactsNo contact information available

Full Description

Performs environmental monitoring and implements protections for regulated species for prime contractors on Caltrans highway projects. Inspects pipes, hoses, and culverts daily, implements trench escape ramps, and monitors vehicle speeds in unpaved areas. Requires knowledge of local regulated species and Caltrans stewardship protocols. Delivers compliance reports.