diff --git a/common/changes/office-ui-fabric-react/rebeba-aria-owns-invalid_2018-04-13-21-39.json b/common/changes/office-ui-fabric-react/rebeba-aria-owns-invalid_2018-04-13-21-39.json
new file mode 100644
index 00000000000000..d668487332ce25
--- /dev/null
+++ b/common/changes/office-ui-fabric-react/rebeba-aria-owns-invalid_2018-04-13-21-39.json
@@ -0,0 +1,11 @@
+{
+  "changes": [
+    {
+      "packageName": "office-ui-fabric-react",
+      "comment": "Updates aria-owns on BasePicker (and snapshot tests) so its only set when suggestions are rendered",
+      "type": "patch"
+    }
+  ],
+  "packageName": "office-ui-fabric-react",
+  "email": "rebeba@microsoft.com"
+}
\ No newline at end of file
diff --git a/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx b/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx
index 271599cfc9c4ef..1a8956f3a3b486 100644
--- a/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx
+++ b/packages/office-ui-fabric-react/src/components/pickers/BasePicker.tsx
@@ -205,7 +205,7 @@ export class BasePicker<T, P extends IBasePickerProps<T>> extends BaseComponent<
                 onInputValueChange={ this.onInputChange }
                 suggestedDisplayValue={ suggestedDisplayValue }
                 aria-activedescendant={ activeDescendant }
-                aria-owns='suggestion-list'
+                aria-owns={ this.state.suggestionsVisible ? 'suggestion-list' : undefined }
                 aria-expanded={ !!this.state.suggestionsVisible }
                 aria-haspopup='true'
                 autoCapitalize='off'
@@ -745,8 +745,8 @@ export class BasePickerListBelow<T, P extends IBasePickerProps<T>> extends BaseP
                 onBlur={ this.onInputBlur }
                 onInputValueChange={ this.onInputChange }
                 suggestedDisplayValue={ suggestedDisplayValue }
-                aria-activedescendant={ 'sug-' + this.suggestionStore.currentIndex }
-                aria-owns='suggestion-list'
+                aria-activedescendant={ this.state.suggestionsVisible ? 'sug-' + this.suggestionStore.currentIndex : undefined }
+                aria-owns={ this.state.suggestionsVisible ? 'suggestion-list' : undefined }
                 aria-expanded={ !!this.state.suggestionsVisible }
                 aria-haspopup='true'
                 autoCapitalize='off'
diff --git a/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap b/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap
index 6ba81af3ad968b..5e99c63948b9db 100644
--- a/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap
+++ b/packages/office-ui-fabric-react/src/components/pickers/__snapshots__/BasePicker.test.tsx.snap
@@ -45,7 +45,7 @@ exports[`Pickers BasePicker renders BasePicker correctly 1`] = `
           aria-controls="selected-suggestion-alert"
           aria-expanded={false}
           aria-haspopup="true"
-          aria-owns="suggestion-list"
+          aria-owns={undefined}
           autoCapitalize="off"
           autoComplete="off"
           className="ms-BasePicker-input"
@@ -113,7 +113,7 @@ exports[`Pickers TagPicker renders TagPicker correctly 1`] = `
           aria-controls="selected-suggestion-alert"
           aria-expanded={false}
           aria-haspopup="true"
-          aria-owns="suggestion-list"
+          aria-owns={undefined}
           autoCapitalize="off"
           autoComplete="off"
           className="ms-BasePicker-input"