Contact Us

2001 Paradise Drive
Tiburon, CA 94920
Tel (415) 435-1501
Fax (415) 435-0221
www.sani5.org

Sewer Emergencies

24 hours (415) 945-4080

Dial 9-1-1 if public health or property is threatened.

About Sanitary District No. 5

Sanitary District No.5 of Marin County provides collection and treatment of wastewater to parts of the Tiburon Peninsula and the City of Belvedere. The District serves over 3,500 households, collecting, processing, and treating wastewater in accordance with State and Federal Regulations under a National Pollution Discharge Elimination System Permit.

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