Contact Us

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Have questions or need more details? Connect with Public Infrastructure through our contacts page to find the right resources and support.

Sonoma Public Infrastructure	707-565-2550	SPI@sonomacounty.gov
Construction	707-565-2533
Road Maintenance	707-565-5100
Parking Enforcement	707-565-4450	parking-admin@sonoma-county.org
Airport	707-565-7243	sonomacountyairport.org
Transit	707-565-8288	sctransit.com
Integrated Waste	707-565-7940
SCWMA (Zero Waste Sonoma)	707-565-3579	zerowastesonoma.gov
Fleet Operations - Light	707-565-2639
Fleet Operations - Heavy	707-565-5422
Community Road Project Updates		engagePI@sonomacounty.gov