Transportation & Public Works

Latest News

Mission & Vision

Our Mission: to plan, build, manage, and maintain Sonoma County's investment in quality services and infrastructure.  

Our Vision: Leading the way to a safe and sustainable community through stewardship and innovation.



The Airport Division operates the Charles M. Schulz Sonoma County Airport, located North of Santa Rosa, and connecting customers to cities in Alaska, the lower 48 states, Hawaii, Canada and Mexico.


The Roads Division is responsible for the construction, operation, and maintenance of the County-Maintained public road system, and administers numerous capital paving and road safety improvement projects every year.


The Transit Division administers Sonoma County Transit, Sonoma County's own public transportation system. This state-of-the-art fleet serves numerous locations across Sonoma County.

Water and Integrated Waste

  • The Integrated Waste Division owns the Sonoma County Central Landfill, which houses facilities for recycling, material reuse and natural gas and electrical generation. It owns five refuse transfer stations, oversees the regulation of two commercial hauling companies and maintains closed landfills. For disposal inquiries please contact (707) 795-1693.
  • Water Systems administers service to four small districts: Fitch Mountain, Freestone, Jenner, and Salmon Creek.

Contact Information

Transportation & Public Works
Business Hours
Monday – Friday
8:00 AM – 5:00 PM
Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462006, -122.725384

TPW Roads

Sonoma County Roads

TPW logo thumbnail

A division of the Sonoma County Department of Transportation & Public Works

County Airport

Charles M. Schulz - Sonoma County Airport


Located in the heart of Northern California's spectacular Wine Country

Public Transit

Sonoma County Transit

Sonoma County Transit

Public transit serving multiple locations throughout Sonoma County

SB 272

Senate Bill 272 requires local agencies publish a list of systems that serve as original sources of data within an agency.

Read more