Liberty Union High School District: 7:30 p.m. District Office, 20 Oak St., Brentwood. 925-634-2166.
Monday, Sept. 17
Brentwood Land Use and Development Committee: 9 a.m. City Hall, 150 City Park Way, Brentwood. 925-516-5405.
Pittsburg City Council: 7 p.m. City Council chamber, third floor, 65 Civic Ave. 925-252-4850.
Tuesday, Sept. 18
Brentwood Planning Commission: 7 p.m. City Hall, 150 City Park Way, Brentwood. 925-516-5405.
Contra Costa County Board of Supervisors: 9 a.m. County Administration Building, Room 107, 651 Pine St., Martinez. 925-335-1900.
Wednesday, Sept. 19
Antioch Planning Commission: 6:30 p.m. City Council chamber, 200 H St. 925-779-7009.
Brentwood Arts Commission: 7 p.m. City Council chamber, 150 City Park Way. 925-516-5445.
Oakley Union Elementary School District: 7 p.m. O'Hara Park Middle School, 1100 O'Hara Ave. 925-625-0700.
Town of Discovery Bay Community Services District: 7 p.m. District Office, 1800 Willow Lake Road. 925-634-1131.
Thursday, Sept. 20
Bethel Island Municipal Improvement District: 7 p.m. BIMID hall, 3085 Stone Road. Denise, 925-684-2210.
Byron Municipal Advisory Committee: 7 p.m. Excelsior School Library, 14301 Byron Highway.
Saturday, Sept. 22
East Bay Regional Park District Master Plan Update: 10 a.m. Sept. 22, Big Break Visitor Center at the Delta Big Break Regional Shoreline. The East Bay Regional Park District is updating its Master Plan that guides future expansion of parks, trails and services, defines the vision and mission, and sets priorities for the next decade. The community is welcomed and encouraged to participate with comments and questions. 888-327-2757.