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.
Charles M. Schulz – Sonoma County Airport to undergo triennial training exercise
On June 17 from 10 a.m. to 11:30 a.m., Charles M. Schulz – Sonoma County Airport (STS) will be hosting its 2025 Triennial Full-Scale Emergency Exercise to test the Airport Emergency Plan and assess readiness for a major incident. Mandated by the Federal Aviation Administration, the Triennial is a practical exercise and safety training that takes place every three years at commercial service airports around the United States. The exercise simulates a large-scale aircraft incident, testing the planning, operational readiness, speed and effectiveness of emergency personnel across multiple agencies in real-time.
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