diff --git a/web/src/realm_user_settings_defaults.ts b/web/src/realm_user_settings_defaults.ts
index 3347a75b02..d6e180e91f 100644
--- a/web/src/realm_user_settings_defaults.ts
+++ b/web/src/realm_user_settings_defaults.ts
@@ -1,59 +1,64 @@
-export type RealmDefaultSettings = {
-    automatically_follow_topics_policy: number;
-    automatically_follow_topics_where_mentioned: boolean;
-    automatically_unmute_topics_in_muted_streams_policy: number;
-    color_scheme: number;
-    default_language: string;
-    demote_inactive_streams: number;
-    dense_mode: boolean;
-    desktop_icon_count_display: number;
-    display_emoji_reaction_users: boolean;
-    email_notifications_batching_period_seconds: number;
-    emojiset: string;
-    enable_desktop_notifications: boolean;
-    enable_digest_emails: boolean;
-    enable_drafts_synchronization: boolean;
-    enable_followed_topic_audible_notifications: boolean;
-    enable_followed_topic_desktop_notifications: boolean;
-    enable_followed_topic_email_notifications: boolean;
-    enable_followed_topic_push_notifications: boolean;
-    enable_followed_topic_wildcard_mentions_notify: boolean;
-    enable_login_emails: boolean;
-    enable_marketing_emails: boolean;
-    enable_offline_email_notifications: boolean;
-    enable_offline_push_notifications: boolean;
-    enable_online_push_notifications: boolean;
-    enable_sounds: boolean;
-    enable_stream_audible_notifications: boolean;
-    enable_stream_desktop_notifications: boolean;
-    enable_stream_email_notifications: boolean;
-    enable_stream_push_notifications: boolean;
-    enter_sends: boolean;
-    fluid_layout_width: boolean;
-    high_contrast_mode: boolean;
-    message_content_in_email_notifications: boolean;
-    notification_sound: string;
-    pm_content_in_desktop_notifications: boolean;
-    presence_enabled: boolean;
-    realm_name_in_email_notifications_policy: number;
-    receives_typing_notifications: boolean;
-    send_private_typing_notifications: boolean;
-    send_stream_typing_notifications: boolean;
-    starred_message_counts: boolean;
-    translate_emoticons: boolean;
-    twenty_four_hour_time: boolean;
-    user_list_style: number;
-    web_escape_navigates_to_home_view: boolean;
-    web_font_size_px: number;
-    web_home_view: string;
-    web_line_height_percent: number;
-    web_mark_read_on_scroll_policy: number;
-    web_stream_unreads_count_display_policy: number;
-    wildcard_mentions_notify: boolean;
-};
+import {z} from "zod";
+
+import type {StateData} from "./state_data";
+
+export const realm_default_settings_schema = z.object({
+    automatically_follow_topics_policy: z.number(),
+    automatically_follow_topics_where_mentioned: z.boolean(),
+    automatically_unmute_topics_in_muted_streams_policy: z.number(),
+    color_scheme: z.number(),
+    default_language: z.string(),
+    demote_inactive_streams: z.number(),
+    dense_mode: z.boolean(),
+    desktop_icon_count_display: z.number(),
+    display_emoji_reaction_users: z.boolean(),
+    email_notifications_batching_period_seconds: z.number(),
+    emojiset: z.string(),
+    enable_desktop_notifications: z.boolean(),
+    enable_digest_emails: z.boolean(),
+    enable_drafts_synchronization: z.boolean(),
+    enable_followed_topic_audible_notifications: z.boolean(),
+    enable_followed_topic_desktop_notifications: z.boolean(),
+    enable_followed_topic_email_notifications: z.boolean(),
+    enable_followed_topic_push_notifications: z.boolean(),
+    enable_followed_topic_wildcard_mentions_notify: z.boolean(),
+    enable_login_emails: z.boolean(),
+    enable_marketing_emails: z.boolean(),
+    enable_offline_email_notifications: z.boolean(),
+    enable_offline_push_notifications: z.boolean(),
+    enable_online_push_notifications: z.boolean(),
+    enable_sounds: z.boolean(),
+    enable_stream_audible_notifications: z.boolean(),
+    enable_stream_desktop_notifications: z.boolean(),
+    enable_stream_email_notifications: z.boolean(),
+    enable_stream_push_notifications: z.boolean(),
+    enter_sends: z.boolean(),
+    fluid_layout_width: z.boolean(),
+    high_contrast_mode: z.boolean(),
+    message_content_in_email_notifications: z.boolean(),
+    notification_sound: z.string(),
+    pm_content_in_desktop_notifications: z.boolean(),
+    presence_enabled: z.boolean(),
+    realm_name_in_email_notifications_policy: z.number(),
+    receives_typing_notifications: z.boolean(),
+    send_private_typing_notifications: z.boolean(),
+    send_stream_typing_notifications: z.boolean(),
+    starred_message_counts: z.boolean(),
+    translate_emoticons: z.boolean(),
+    twenty_four_hour_time: z.boolean(),
+    user_list_style: z.number(),
+    web_escape_navigates_to_home_view: z.boolean(),
+    web_font_size_px: z.number(),
+    web_home_view: z.string(),
+    web_line_height_percent: z.number(),
+    web_mark_read_on_scroll_policy: z.number(),
+    web_stream_unreads_count_display_policy: z.number(),
+    wildcard_mentions_notify: z.boolean(),
+});
+export type RealmDefaultSettings = z.infer<typeof realm_default_settings_schema>;
 
 export let realm_user_settings_defaults: RealmDefaultSettings;
 
-export function initialize(params: {realm_user_settings_defaults: RealmDefaultSettings}): void {
+export function initialize(params: StateData["realm_settings_defaults"]): void {
     realm_user_settings_defaults = params.realm_user_settings_defaults;
 }
diff --git a/web/src/state_data.ts b/web/src/state_data.ts
index 00477f5506..aaede7e780 100644
--- a/web/src/state_data.ts
+++ b/web/src/state_data.ts
@@ -1,5 +1,6 @@
 import {z} from "zod";
 
+import {realm_default_settings_schema} from "./realm_user_settings_defaults";
 import {user_settings_schema} from "./user_settings";
 
 const NOT_TYPED_YET = z.unknown();
@@ -312,7 +313,7 @@ export const state_data_schema = z
     )
     .and(
         z
-            .object({realm_user_settings_defaults: NOT_TYPED_YET})
+            .object({realm_user_settings_defaults: realm_default_settings_schema})
             .transform((realm_settings_defaults) => ({realm_settings_defaults})),
     )
     .and(