Probation Administrative Offices and Juvenile Probation – Main Office 222 Paul Scannell Drive Floor 2/Floor 1 San Mateo, CA 94402 Juvenile Hall 222 Paul Scannell Drive San Mateo, CA 94402 Juvenile Traffic Court 222 Paul Scannell Drive Floor 2 San Mateo, CA 94402 Probation – Pretrial Services 400 County Center Floor 1 Redwood City, CA 94063 Redwood City - Adult Probation 400 County Center Floor 5 Redwood City, CA 94063 Probation - South San Francisco 999 Grand Avenue South San Francisco, CA 94080