diff --git a/internal/providers/pluginfw/tfschema/customizable_schema.go b/internal/providers/pluginfw/tfschema/customizable_schema.go
index b7051b450..b2837371a 100644
--- a/internal/providers/pluginfw/tfschema/customizable_schema.go
+++ b/internal/providers/pluginfw/tfschema/customizable_schema.go
@@ -61,6 +61,8 @@ func (s *CustomizableSchema) AddValidator(v any, path ...string) *CustomizableSc
 			return a.AddValidator(v.(validator.List))
 		case ListNestedAttributeBuilder:
 			return a.AddValidator(v.(validator.List))
+		case ListNestedBlockBuilder:
+			return a.AddValidator(v.(validator.List))
 		case MapAttributeBuilder:
 			return a.AddValidator(v.(validator.Map))
 		case MapNestedAttributeBuilder:
diff --git a/internal/providers/pluginfw/tfschema/customizable_schema_test.go b/internal/providers/pluginfw/tfschema/customizable_schema_test.go
index 6de3c0002..0b6fc49eb 100644
--- a/internal/providers/pluginfw/tfschema/customizable_schema_test.go
+++ b/internal/providers/pluginfw/tfschema/customizable_schema_test.go
@@ -115,6 +115,28 @@ func TestCustomizeSchemaSetReadOnly(t *testing.T) {
 	assert.True(t, scm.Attributes["map"].IsComputed())
 }
 
+type testTfSdkListNestedAttribute struct {
+	List types.List `tfsdk:"list"`
+}
+
+func (testTfSdkListNestedAttribute) GetComplexFieldTypes(context.Context) map[string]reflect.Type {
+	return map[string]reflect.Type{
+		"list": reflect.TypeOf(NestedTfSdk{}),
+	}
+}
+
+func TestCustomizeSchemaSetReadOnly_RecursivelySetsFieldsOfListNestedAttributes(t *testing.T) {
+	scm := ResourceStructToSchema(context.Background(), testTfSdkListNestedAttribute{}, func(c CustomizableSchema) CustomizableSchema {
+		c.ConvertToAttribute("list").SetReadOnly("list")
+		return c
+	})
+	for _, field := range []string{"name", "enabled"} {
+		assert.True(t, !scm.Attributes["list"].(schema.ListNestedAttribute).NestedObject.Attributes[field].IsOptional())
+		assert.True(t, !scm.Attributes["list"].(schema.ListNestedAttribute).NestedObject.Attributes[field].IsRequired())
+		assert.True(t, scm.Attributes["list"].(schema.ListNestedAttribute).NestedObject.Attributes[field].IsComputed())
+	}
+}
+
 func TestCustomizeSchemaAddValidator(t *testing.T) {
 	scm := ResourceStructToSchema(context.Background(), TestTfSdk{}, func(c CustomizableSchema) CustomizableSchema {
 		c.AddValidator(stringLengthBetweenValidator{}, "description")
diff --git a/internal/providers/pluginfw/tfschema/list_nested_attribute.go b/internal/providers/pluginfw/tfschema/list_nested_attribute.go
index 9cd882990..adc97a7ed 100644
--- a/internal/providers/pluginfw/tfschema/list_nested_attribute.go
+++ b/internal/providers/pluginfw/tfschema/list_nested_attribute.go
@@ -85,6 +85,7 @@ func (a ListNestedAttributeBuilder) SetReadOnly() AttributeBuilder {
 	a.Computed = true
 	a.Optional = false
 	a.Required = false
+	a.NestedObject.SetReadOnly()
 	return a
 }
 
diff --git a/internal/providers/pluginfw/tfschema/nested_attribute_object.go b/internal/providers/pluginfw/tfschema/nested_attribute_object.go
index bf9f63923..f12702f7b 100644
--- a/internal/providers/pluginfw/tfschema/nested_attribute_object.go
+++ b/internal/providers/pluginfw/tfschema/nested_attribute_object.go
@@ -25,3 +25,9 @@ func (a NestedAttributeObject) BuildResourceAttribute() schema.NestedAttributeOb
 		Attributes: resourceAttributes,
 	}
 }
+
+func (a NestedAttributeObject) SetReadOnly() {
+	for attr, attrV := range a.Attributes {
+		a.Attributes[attr] = attrV.SetReadOnly()
+	}
+}