About Us

Organizational Chart

Animal Shelter

  • Adoptions
  • Licenses
  • Lost pets
  • Volunteer opportunities

Buildings & Grounds

  • Administration Building
  • Airport
  • Health and Human Services Campus
  • Hall of Justice
  • Libraries
  • South Campus
  • Other County Offices and Facilities

Flood Control

  • Napa Flood Project
  • Napa River Restoration
  • Watershed Maintenance/Operations

Natural Resources

  • Groundwater
  • Milliken-Sarco-Tulocay (MST) Project
  • Recycling/Waste Management
  • Water Conservation
  • Watershed Information

Roads & Bridges

  • 450 miles of roads
  • 79 bridges
  • 50 major drainage structures


  • County Surveyor
  • Fleet Operations
  • Purchasing
  • Stormwater Management


The Department of Public Works is dedicated to sustaining health, safety, quality of life and protection of natural resources by providing and maintaining public facilities and services in partnership with the community and other public agencies for current and future residents, workers, animals, and visitors of Napa County.


Napa County Public Works Department will be known locally and beyond as trusted and excellent stewards of public and natural resources and recognized for public projects and improvements that are the pride of the community.

Core Values

  • Accountability and Transparency
  • Fiscal Responsibility
  • Integrity 
  • Service
  • Teamwork