diff --git a/docs/deployment/customization/portal.properties-Reference.md b/docs/deployment/customization/portal.properties-Reference.md
index f7acb616dc7..f4f38f1815c 100644
--- a/docs/deployment/customization/portal.properties-Reference.md
+++ b/docs/deployment/customization/portal.properties-Reference.md
@@ -191,6 +191,15 @@ Namespace columns are custom columns in the MAF file that can be shown in Mutati
 skin.mutation_table.namespace_column.show_by_default=
 ```
 
+### Default visible columns on init in Mutations Table
+
+Define the columns that are going to be visible in the Mutation Table on the Patient View and the Results View. If namespace columns are set to visible by default, they will also be shown.
+
+```
+# skin.patient_view.mutation_table.columns.show_on_init=
+# skin.results_view.mutation_table.columns.show_on_init=
+```
+
 ### Hide p- and q-values in survival types table
 
 ```
diff --git a/portal/src/main/webapp/config_service.jsp b/portal/src/main/webapp/config_service.jsp
index a2d47897e85..1a1db7f4023 100644
--- a/portal/src/main/webapp/config_service.jsp
+++ b/portal/src/main/webapp/config_service.jsp
@@ -139,6 +139,8 @@
             "skin.geneset_hierarchy.default_gsva_score",
             "skin.geneset_hierarchy.collapse_by_default",
             "skin.mutation_table.namespace_column.show_by_default",
+            "skin.patient_view.mutation_table.columns.show_on_init",
+            "skin.results_view.mutation_table.columns.show_on_init",
             "comparison.categorical_na_values",
             "skin.hide_download_controls"
         };
diff --git a/src/main/resources/portal.properties.EXAMPLE b/src/main/resources/portal.properties.EXAMPLE
index 1f4d8da2e06..881cf5267cf 100644
--- a/src/main/resources/portal.properties.EXAMPLE
+++ b/src/main/resources/portal.properties.EXAMPLE
@@ -93,6 +93,10 @@ skin.study_view.link_text=To build your own case set, try out our enhanced Study
 # controls whether namespace columns of the MAF file are immediately visible in mutation tables (default is 'false')
 # skin.mutation_table.namespace_column.show_by_default=true
 
+# controls which columns from the mutation tables are immediately visible in mutation tables
+# skin.patient_view.mutation_table.columns.show_on_init=Gene,Protein Change,Annotation,Mutation Type,Copy #,Cosmic,# Mut in Sample
+# skin.results_view.mutation_table.columns.show_on_init=Sample Id,Protein Change,Annotation,Mutation Type,Copy #,Cosmic,# Mut in Sample
+
 # setting controlling the home page
 ## enable this to show studies for which the user does not have permission (will appear greyed out and cannot be analyzed in study view or results view). 
 # skin.home_page.show_unauthorized_studies=false