Sonoma Public Infrastructure
Sonoma Public Infrastructure's offices are now located at 400 Aviation Blvd, Suite 100, Santa Rosa, CA 95403.
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.
Divisions
Airport
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.
Integrated Waste
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.
Roads
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.
Transit
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
Water Systems administers service to four small districts: Fitch Mountain, Freestone, Jenner, and Salmon Creek.
County of Sonoma highlights 2024 public infrastructure upgrades and improvements
Sonoma County today announced the results of public investment in roads in unincorporated areas and other critical infrastructure for 2024, including the resurfacing of more than 38 miles of county-maintained roads, the installation of 53 culverts and repair of more than 1,266 potholes. Sonoma County uses a combination of corrective maintenance and pavement preservation to take care of 1,368 miles of roads and 328 bridges, which is the largest road network in the San Francisco Bay Area.