The mission of the Department of Public Works is to manage, maintain and operate public facilities and public rights-of-way. Our primary responsibilities include engineering, development reviews, streets, storm drains, street lights, traffic signals, sewage collection and public buildings.
The Sewerage Agency of Southern Marin launched their 2-year, $20 million Waste Water Treatment Plant (WWTP) rehabilitation project in April 2018. Improvements include infrastructure modernization, increased reliability and efficiency, electrical upgrades, and odor reduction.
Mill Valley is home to beautiful and majestic trees such as Redwoods, Coast Live Oaks, Bay, Manzanitas, and many others that contribute greatly to the scenic beauty of our City. Those trees are an integral part of our City’s complex environmental system.