Contact Us

  1. Sewerage Agency of Southern Marin (SASM)


    Physical Address
    450 Sycamore Avenue
    Mill Valley, CA 94941


    Directions

    Mailing Address
    26 Corte Madera Avenue
    Mill Valley, CA 94941

    Phone: 415-388-2402
    Fax: 415-381-8128

    Office Hours

    7:30 am to 3 pm