Transportation & Public Works

  • Transportation & Public Works
    Published on March 23, 2020

    In response to the COVID-19 Pandemic, Sonoma County Transit is operating at a revised level of service as described in this posting. Passengers are encouraged to limit their transit use to essential-trips only and respect social distancing  practices. Sonoma County Paratransit will continue to operate at its full level of service until further notice. Sonoma County Transit’s administrative office will be closed to the public beginning Tuesday, March 17th.

  • Transportation & Public Works
    Published on March 20, 2020

    The Charles M. Schulz – Sonoma County Airport (STS) remains open and operational at this time. The Shelter-in-Place order considers the Airport essential infrastructure. The Airport is monitoring the impacts of the recent travel restrictions and local announcements as released. Travelers should check with their respective airline for questions regarding specific flights. Based on Sonoma County Emergency measures for Covid-19, the Airport Administrative and Badging Offices are closed through April 3, 2020. 

  • More 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

Johannes J. Hoevertsz


Transportation & Public Works
Business Hours

Closed Until Further Notice

Contact us by Phone
Office Location
La Plaza B
2300 County Center Drive
Suite B 100
Santa Rosa, CA 95403
38.462006, -122.725384

SoCo Report It

Submit a Service Request

Report it App

Report and track non-emergency issues in unincorporated areas of Sonoma County.

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