The following Special Districts are CSDA Members:

Forestville Water District

Sweetwater Springs Water District

*Marin Sonoma Mosquito and Vector Control District

Monte Rio Fire Protection District

Camp Meeker Recreation and Park District 

*Petaluma Health Care District

Graton Community Services District

*Gold Ridge Resource Conservation District

Sonoma Resource Conservation District

Coast Life Support District

Bodega Bay Public Utility District

Monte Rio Recreation & Park District

Occidental Community Services District 

*Rancho Adobe Fire Protection District

Russian River Recreation and Park District

Schell-Vista Fire Protection District

Russian River County Water District

Timber Cove County Water District

North Sonoma Coast Fire Protection District

Shiloh Cemetery District

*Northern Sonoma County Fire Protection District

Napa Sanitation District

Circle Oaks County Water District

Napa County Regional Park & Open Space District

Congress Valley Water District

Napa County Mosquito Abatement District

Napa County Resource Conservation District

*Sonoma-Napa Bi-County Special Districts Association Members