diff --git a/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_view.dart b/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_view.dart
index 684bfbc599d..bf949e385b0 100644
--- a/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_view.dart
+++ b/packages/devtools_app/lib/src/standalone_ui/ide_shared/property_editor/property_editor_view.dart
@@ -20,8 +20,7 @@ class PropertyEditorView extends StatelessWidget {
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Text('Property Editor', style: Theme.of(context).textTheme.titleMedium),
-        const PaddedDivider.noPadding(),
+        // TODO(elliette): Include widget name and documentation.
         _PropertiesList(controller: controller),
       ],
     );
@@ -84,7 +83,7 @@ class _EditablePropertyItem extends StatelessWidget {
             child: _PropertyInput(argument: argument, controller: controller),
           ),
         ),
-        if (argument.isRequired || argument.isDefault) ...[
+        if (argument.hasArgument || argument.isDefault) ...[
           Flexible(child: _PropertyLabels(argument: argument)),
         ] else
           const Spacer(),
@@ -101,25 +100,29 @@ class _PropertyLabels extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final colorScheme = Theme.of(context).colorScheme;
-    final isRequired = argument.isRequired;
+    final isSet = argument.hasArgument;
     final isDefault = argument.isDefault;
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        if (isRequired)
+        if (isSet)
           Padding(
             padding: const EdgeInsets.all(_PropertiesList.itemPadding),
             child: RoundedLabel(
-              labelText: 'required',
+              labelText: 'set',
               backgroundColor: colorScheme.primary,
               textColor: colorScheme.onPrimary,
+              tooltipText: 'Property argument is set.',
             ),
           ),
         if (isDefault)
           const Padding(
             padding: EdgeInsets.all(_PropertiesList.itemPadding),
-            child: RoundedLabel(labelText: 'default'),
+            child: RoundedLabel(
+              labelText: 'default',
+              tooltipText: 'Property argument matches the default value.',
+            ),
           ),
       ],
     );
@@ -143,11 +146,12 @@ class _PropertyInputState extends State<_PropertyInput> {
 
   @override
   Widget build(BuildContext context) {
+    final argument = widget.argument;
     final decoration = InputDecoration(
-      helperText: '',
-      errorText: widget.argument.errorText,
+      helperText: argument.isRequired ? '*required' : '',
+      errorText: argument.errorText,
       isDense: true,
-      label: Text(widget.argument.name),
+      label: Text('${argument.name}${argument.isRequired ? '*' : ''}'),
       border: const OutlineInputBorder(),
     );
 
@@ -166,6 +170,7 @@ class _PropertyInputState extends State<_PropertyInput> {
         return DropdownButtonFormField(
           value: widget.argument.valueDisplay,
           decoration: decoration,
+          isExpanded: true,
           items:
               options.toSet().toList().map((option) {
                 return DropdownMenuItem(
@@ -175,7 +180,6 @@ class _PropertyInputState extends State<_PropertyInput> {
                   child: Text(option),
                 );
               }).toList(),
-          isExpanded: true,
           onChanged: (newValue) async {
             await _editArgument(newValue);
           },
diff --git a/packages/devtools_app/test/standalone_ui/ide_shared/property_editor_test.dart b/packages/devtools_app/test/standalone_ui/ide_shared/property_editor_test.dart
index 12d64cc5c6d..51db4a4bc0a 100644
--- a/packages/devtools_app/test/standalone_ui/ide_shared/property_editor_test.dart
+++ b/packages/devtools_app/test/standalone_ui/ide_shared/property_editor_test.dart
@@ -137,11 +137,26 @@ void main() {
       controller.initForTestsOnly(editableArgs: result1.args);
       await tester.pumpAndSettle();
 
+      final titleInput = _findTextFormField('title');
+      final widthInput = _findTextFormField('width');
+      final heightInput = _findTextFormField('height');
+
       // Verify the inputs are expected.
       expect(_findNoPropertiesMessage, findsNothing);
-      expect(_findTextFormField('title'), findsOneWidget);
-      expect(_findTextFormField('width'), findsOneWidget);
-      expect(_findTextFormField('height'), findsOneWidget);
+      expect(titleInput, findsOneWidget);
+      expect(widthInput, findsOneWidget);
+      expect(heightInput, findsOneWidget);
+
+      // Verify the labels are expected.
+      expect(_labelForInput(titleInput, matching: 'set'), findsNothing);
+      expect(_labelForInput(titleInput, matching: 'default'), findsNothing);
+      expect(_labelForInput(widthInput, matching: 'set'), findsNothing);
+      expect(_labelForInput(widthInput, matching: 'default'), findsNothing);
+      expect(_labelForInput(heightInput, matching: 'set'), findsNothing);
+      expect(_labelForInput(heightInput, matching: 'default'), findsOneWidget);
+
+      // Verify required comments exist.
+      expect(_requiredTextForInput(titleInput), findsOneWidget);
     });
 
     testWidgets('inputs are expected for second group of editable arguments', (
@@ -154,12 +169,22 @@ void main() {
       controller.initForTestsOnly(editableArgs: result2.args);
       await tester.pumpAndSettle();
 
+      final softWrapInput = _findDropdownButtonFormField('softWrap');
+      final alignInput = _findDropdownButtonFormField('align');
+
       // Verify the inputs are expected.
       expect(_findNoPropertiesMessage, findsNothing);
-      final softWrapInput = _findDropdownButtonFormField('softWrap');
       expect(softWrapInput, findsOneWidget);
-      final alignInput = _findDropdownButtonFormField('align');
       expect(alignInput, findsOneWidget);
+
+      // Verify the labels are expected.
+      expect(_labelForInput(softWrapInput, matching: 'set'), findsNothing);
+      expect(
+        _labelForInput(softWrapInput, matching: 'default'),
+        findsOneWidget,
+      );
+      expect(_labelForInput(alignInput, matching: 'set'), findsOneWidget);
+      expect(_labelForInput(alignInput, matching: 'default'), findsNothing);
     });
 
     testWidgets('softWrap input has expected options', (tester) async {
@@ -243,7 +268,8 @@ void main() {
         await tester.pumpWidget(wrap(propertyEditor));
 
         // Edit the title.
-        final titleInput = _findTextFormField('title');
+        final titleInput = _findTextFormField('title*');
+        expect(titleInput, findsOneWidget);
         await _inputText(titleInput, text: 'Brand New Title!', tester: tester);
 
         // Verify the edit is expected.
@@ -317,10 +343,27 @@ final _findNoPropertiesMessage = find.text(
 );
 
 Finder _findTextFormField(String inputName) => find.ancestor(
-  of: find.text(inputName),
+  of: find.textContaining(inputName),
   matching: find.byType(TextFormField),
 );
 
+Finder _labelForInput(Finder inputFinder, {required String matching}) {
+  final rowFinder = find.ancestor(of: inputFinder, matching: find.byType(Row));
+  final labelFinder = find.descendant(
+    of: rowFinder,
+    matching: find.byType(RoundedLabel),
+  );
+  return find.descendant(of: labelFinder, matching: find.text(matching));
+}
+
+Finder _requiredTextForInput(Finder inputFinder) =>
+    _helperTextForInput(inputFinder, matching: '*required');
+
+Finder _helperTextForInput(Finder inputFinder, {required String matching}) {
+  final rowFinder = find.ancestor(of: inputFinder, matching: find.byType(Row));
+  return find.descendant(of: rowFinder, matching: find.richText(matching));
+}
+
 Finder _findDropdownButtonFormField(String inputName) => find.ancestor(
   of: find.text(inputName),
   matching: find.byType(DropdownButtonFormField<String>),
@@ -446,7 +489,7 @@ final widthProperty = EditableArgument(
   errorText: 'Some reason for why this can\'t be edited.',
   isNullable: false,
   value: 20.0,
-  isRequired: true,
+  isRequired: false,
   hasArgument: false,
 );
 final heightProperty = EditableArgument(
@@ -457,7 +500,7 @@ final heightProperty = EditableArgument(
   isNullable: false,
   value: 20.0,
   isDefault: true,
-  isRequired: true,
+  isRequired: false,
 );
 final result1 = EditableArgumentsResult(
   args: [titleProperty, widthProperty, heightProperty],
diff --git a/packages/devtools_app_shared/lib/src/ui/common.dart b/packages/devtools_app_shared/lib/src/ui/common.dart
index da591af5758..76751c7c581 100644
--- a/packages/devtools_app_shared/lib/src/ui/common.dart
+++ b/packages/devtools_app_shared/lib/src/ui/common.dart
@@ -618,17 +618,19 @@ class RoundedLabel extends StatelessWidget {
     required this.labelText,
     this.backgroundColor,
     this.textColor,
+    this.tooltipText,
   });
 
   final String labelText;
   final Color? backgroundColor;
   final Color? textColor;
+  final String? tooltipText;
 
   @override
   Widget build(BuildContext context) {
     final theme = Theme.of(context);
     final colorScheme = theme.colorScheme;
-    return Container(
+    final label = Container(
       padding: const EdgeInsets.symmetric(horizontal: denseSpacing),
       decoration: BoxDecoration(
         borderRadius: defaultBorderRadius,
@@ -644,5 +646,8 @@ class RoundedLabel extends StatelessWidget {
         ),
       ),
     );
+    return tooltipText != null
+        ? DevToolsTooltip(message: tooltipText, child: label)
+        : label;
   }
 }