About Us

Welcome to the Napa County Roads Division. We are committed to maintaining and preserving the Napa County road system so that it is safe, reliable, and accessible for all users.


The Roads division is responsible for maintaining approximately 450 miles of public roads, 79 bridges and 50 major drainage structures within the unincorporated area of the County. The division is active in other road-related safety efforts such as vegetation management and maintenance of structures, drainage facilities, guardrails, traffic signs, signals, and pavement markings.

Roads Organizational Chart