Sonoma Public Infrastructure (formerly TPW)
Transportation and Public Works is now Sonoma Public Infrastructure - Website updates coming soon!
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 connects customers to cities in Alaska, the lower 48 states, Hawaii, Canada, and Mexico.
The Integrated Waste Division owns the Sonoma County Central Landfill, which houses facilities for recycling, material reuse and natural gas and electricity 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.
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 Systems administers service to four small districts: Fitch Mountain, Freestone, Jenner, and Salmon Creek.
Sonoma County announces purchase of ten all-electric buses bolstering shift to zero-emission transit fleet
Sonoma County today announced the purchase of ten battery electric transit buses to replace ten compressed natural gas buses, consistent with the Climate Action and Resiliency pillar of Sonoma County’s Five-Year Strategic Plan. The ten new buses, which are scheduled for delivery between July 1 and August 31, 2024, are in addition to six all-electric buses expected to arrive in June. There are currently three all-electric buses in the county’s 49-bus fleet. The purchase was approved by the Board of Supervisors today on a unanimous vote.