Hours for All Facilities

Mill Valley City Hall 

Monday - Friday 
8:00 am to 12:00 noon; 1:00 pm to 5:00 pm 
Closed alternate Fridays.

Please note: Planning, Building, and Public Works Counter hours are different. 

Click here to view Planning & Building Department hours.

Click here to view Public Works Counter hours.

Mill Valley Public Library 

Monday – Thursday 10:00 am to 9:00 pm 
Friday – 12:00 noon to 6:00 pm 
Saturday – 10:00 am to 5:00 pm 
Sunday – 1:00 pm to 5:00 pm 

Aquatics & Fitness Center
Monday – Thursday 6:30 am to 9:00 pm 
Friday – 6:30 am to 6:30 pm 
Saturday – 7:30 am to 5:00 pm 
Sunday – 8:30 am to 5:00 pm 

Public Safety Building                                                            

Police Department 
Monday - Thursday from 8am to 5pm
Friday from 8am to 4pm. 

Fire Department
Monday - Friday 8:00 am to 5:00 pm

Sewerage Agency of Southern Marin Wastewater Treatment Plant (SASM)

Monday - Friday 7:00 am to 4:00 pm