Your Neighborhood

Ross Valley Sanitary District was established in 1899 and for over a century has been dedicated to protecting public health and preserving the environment. The RVSD service area includes Fairfax, San Anselmo, Ross, Larkspur, Bon Air, Sleepy Hollow, Kentfield, Kent Woodlands, Oak Manor and Greenbrae.


New Headquarters

At a public meeting on February 13, the Ross Valley Sanitary District (RVSD) Board of Directors announced entering into contract and beginning a 45-day due diligence period to purchase a new facility that will consolidate District operations from the current four (4) locations to a single facility located at

1111 Andersen Dr., San Rafael, CA  94901.


Please click here to view the new consolidated facility project Information Sheet.


Please click here to view answers to frequently asked questions about the new facility.

Ongoing Capital Improvement Program (CIP)


Click here to view the latest information about current and completed CIP projects using our interactive map. 


Visit individual project pages for updates and information about CIP projects that are under construction or scheduled to begin near you soon.


The RVSD infrastructure that we operate and maintain in your neighborhood includes a portion of the 196 miles of sewer pipelines and 19 pump stations which collect, pump and transport approximately 4 million gallons per day of wastewater to the Central Marin Sanitation Agency wastewater treatment plant in San Rafael.


Thank you for helping us in our mission to provide customers with high quality wastewater collection service through a system that has no avoidable sanitary sewer overflows at the lowest sustainable cost.

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