diff --git a/apps/web/app/(all)/[workspaceSlug]/(projects)/browse/[workItem]/header.tsx b/apps/web/app/(all)/[workspaceSlug]/(projects)/browse/[workItem]/header.tsx
index cf5176a2beb..091fdae9db1 100644
--- a/apps/web/app/(all)/[workspaceSlug]/(projects)/browse/[workItem]/header.tsx
+++ b/apps/web/app/(all)/[workspaceSlug]/(projects)/browse/[workItem]/header.tsx
@@ -30,7 +30,7 @@ export const ProjectWorkItemDetailsHeader = observer(function ProjectWorkItemDet
 
   return (
     <>
-      {projectPreferences.navigationMode === "horizontal" && (
+      {projectPreferences.navigationMode === "TABBED" && (
         <div className="z-20">
           <Row className="h-header flex gap-2 w-full items-center border-b border-subtle bg-surface-1">
             <div className="flex items-center gap-2 divide-x divide-subtle h-full w-full">
diff --git a/apps/web/app/(all)/[workspaceSlug]/(projects)/projects/(detail)/[projectId]/layout.tsx b/apps/web/app/(all)/[workspaceSlug]/(projects)/projects/(detail)/[projectId]/layout.tsx
index c3a27ec6ec5..885ccf786ac 100644
--- a/apps/web/app/(all)/[workspaceSlug]/(projects)/projects/(detail)/[projectId]/layout.tsx
+++ b/apps/web/app/(all)/[workspaceSlug]/(projects)/projects/(detail)/[projectId]/layout.tsx
@@ -23,7 +23,7 @@ function ProjectLayout({ params }: Route.ComponentProps) {
 
   return (
     <>
-      {projectPreferences.navigationMode === "horizontal" && (
+      {projectPreferences.navigationMode === "TABBED" && (
         <div className="z-20">
           <Row className="h-header flex gap-2 w-full items-center border-b border-subtle bg-surface-1">
             <div className="flex items-center gap-2 divide-x divide-subtle h-full w-full">
diff --git a/apps/web/ce/components/breadcrumbs/common.tsx b/apps/web/ce/components/breadcrumbs/common.tsx
index 397de3db55e..1aaeaaa78f6 100644
--- a/apps/web/ce/components/breadcrumbs/common.tsx
+++ b/apps/web/ce/components/breadcrumbs/common.tsx
@@ -12,6 +12,6 @@ export function CommonProjectBreadcrumbs(props: TCommonProjectBreadcrumbProps) {
   // preferences
   const { preferences: projectPreferences } = useProjectNavigationPreferences();
 
-  if (projectPreferences.navigationMode === "horizontal") return null;
+  if (projectPreferences.navigationMode === "TABBED") return null;
   return <ProjectBreadcrumb workspaceSlug={workspaceSlug} projectId={projectId} />;
 }
diff --git a/apps/web/ce/components/common/extended-app-header.tsx b/apps/web/ce/components/common/extended-app-header.tsx
index f8661d5c203..10c782d32b3 100644
--- a/apps/web/ce/components/common/extended-app-header.tsx
+++ b/apps/web/ce/components/common/extended-app-header.tsx
@@ -16,7 +16,7 @@ export const ExtendedAppHeader = observer(function ExtendedAppHeader(props: { he
   // store hooks
   const { sidebarCollapsed } = useAppTheme();
   // derived values
-  const shouldShowSidebarToggleButton = projectPreferences.navigationMode === "accordion" || (!projectId && !workItem);
+  const shouldShowSidebarToggleButton = projectPreferences.navigationMode === "ACCORDION" || (!projectId && !workItem);
 
   return (
     <>
diff --git a/apps/web/core/components/navigation/customize-navigation-dialog.tsx b/apps/web/core/components/navigation/customize-navigation-dialog.tsx
index b2815c777cb..63edd309b6b 100644
--- a/apps/web/core/components/navigation/customize-navigation-dialog.tsx
+++ b/apps/web/core/components/navigation/customize-navigation-dialog.tsx
@@ -265,9 +265,9 @@ export const CustomizeNavigationDialog = observer(function CustomizeNavigationDi
                     <input
                       type="radio"
                       name="navigation-mode"
-                      value="accordion"
-                      checked={projectPreferences.navigationMode === "accordion"}
-                      onChange={() => updateNavigationMode("accordion")}
+                      value="ACCORDION"
+                      checked={projectPreferences.navigationMode === "ACCORDION"}
+                      onChange={() => updateNavigationMode("ACCORDION")}
                       className="size-4 text-accent-primary focus:ring-accent-strong mt-1"
                     />
                     <div className="flex-1">
@@ -282,9 +282,9 @@ export const CustomizeNavigationDialog = observer(function CustomizeNavigationDi
                     <input
                       type="radio"
                       name="navigation-mode"
-                      value="horizontal"
-                      checked={projectPreferences.navigationMode === "horizontal"}
-                      onChange={() => updateNavigationMode("horizontal")}
+                      value="TABBED"
+                      checked={projectPreferences.navigationMode === "TABBED"}
+                      onChange={() => updateNavigationMode("TABBED")}
                       className="size-4 text-accent-primary focus:ring-accent-strong mt-1"
                     />
                     <div className="flex-1">
diff --git a/apps/web/core/components/workspace/sidebar/projects-list-item.tsx b/apps/web/core/components/workspace/sidebar/projects-list-item.tsx
index 97f6b2b2c82..d869a12cb66 100644
--- a/apps/web/core/components/workspace/sidebar/projects-list-item.tsx
+++ b/apps/web/core/components/workspace/sidebar/projects-list-item.tsx
@@ -255,7 +255,7 @@ export const SidebarProjectsListItem = observer(function SidebarProjectsListItem
   if (!project) return null;
 
   const handleItemClick = () => {
-    if (projectPreferences.navigationMode === "accordion") {
+    if (projectPreferences.navigationMode === "ACCORDION") {
       setIsProjectListOpen(!isProjectListOpen);
     } else {
       router.push(defaultTabUrl);
@@ -266,9 +266,9 @@ export const SidebarProjectsListItem = observer(function SidebarProjectsListItem
     }
   };
 
-  const isAccordionMode = projectPreferences.navigationMode === "accordion";
+  const isAccordionMode = projectPreferences.navigationMode === "ACCORDION";
 
-  const shouldHighlightProject = URLProjectId === project?.id && projectPreferences.navigationMode !== "accordion";
+  const shouldHighlightProject = URLProjectId === project?.id && projectPreferences.navigationMode !== "ACCORDION";
 
   return (
     <>
diff --git a/apps/web/core/constants/fetch-keys.ts b/apps/web/core/constants/fetch-keys.ts
index 0a54ccc1967..b7d669506e6 100644
--- a/apps/web/core/constants/fetch-keys.ts
+++ b/apps/web/core/constants/fetch-keys.ts
@@ -83,6 +83,9 @@ export const WORKSPACE_STATES = (workspaceSlug: string) => `WORKSPACE_STATES_${w
 export const WORKSPACE_SIDEBAR_PREFERENCES = (workspaceSlug: string) =>
   `WORKSPACE_SIDEBAR_PREFERENCES_${workspaceSlug.toUpperCase()}`;
 
+export const WORKSPACE_PROJECT_NAVIGATION_PREFERENCES = (workspaceSlug: string) =>
+  `WORKSPACE_PROJECT_NAVIGATION_PREFERENCES_${workspaceSlug.toUpperCase()}`;
+
 export const PROJECT_GITHUB_REPOSITORY = (projectId: string) => `PROJECT_GITHUB_REPOSITORY_${projectId.toUpperCase()}`;
 
 // cycles
diff --git a/apps/web/core/hooks/use-navigation-preferences.ts b/apps/web/core/hooks/use-navigation-preferences.ts
index 1672936ccd3..155414cb8ed 100644
--- a/apps/web/core/hooks/use-navigation-preferences.ts
+++ b/apps/web/core/hooks/use-navigation-preferences.ts
@@ -19,7 +19,6 @@ import {
 import { useWorkspace } from "./store/use-workspace";
 import useLocalStorage from "./use-local-storage";
 
-const PROJECT_PREFERENCES_KEY = "navigation_preferences_projects";
 const APP_RAIL_PREFERENCES_KEY = "app_rail_preferences";
 
 export const usePersonalNavigationPreferences = () => {
@@ -105,49 +104,73 @@ export const usePersonalNavigationPreferences = () => {
 };
 
 export const useProjectNavigationPreferences = () => {
-  const { storedValue, setValue } = useLocalStorage<TProjectNavigationPreferences>(
-    PROJECT_PREFERENCES_KEY,
-    DEFAULT_PROJECT_PREFERENCES
-  );
+  const { workspaceSlug } = useParams();
+  const { getProjectNavigationPreferences, updateProjectNavigationPreferences } = useWorkspace();
+
+  // Get preferences from the store
+  const storePreferences = getProjectNavigationPreferences(workspaceSlug?.toString() || "");
+
+  // Computed preferences with fallback logic: API → defaults
+  const preferences: TProjectNavigationPreferences = useMemo(() => {
+    // 1. Try API data first
+    if (
+      storePreferences &&
+      (storePreferences.navigation_control_preference || storePreferences.navigation_project_limit !== undefined)
+    ) {
+      const limit = storePreferences.navigation_project_limit ?? DEFAULT_PROJECT_PREFERENCES.limitedProjectsCount;
+
+      return {
+        navigationMode: storePreferences.navigation_control_preference || DEFAULT_PROJECT_PREFERENCES.navigationMode,
+        limitedProjectsCount: limit > 0 ? limit : DEFAULT_PROJECT_PREFERENCES.limitedProjectsCount,
+        showLimitedProjects: limit > 0, // Derived: 0 = false, >0 = true
+      };
+    }
 
+    // 2. Fall back to defaults
+    return DEFAULT_PROJECT_PREFERENCES;
+  }, [storePreferences]);
+
+  // Update navigation mode
   const updateNavigationMode = useCallback(
-    (mode: TProjectNavigationMode) => {
-      const currentPreferences = storedValue || DEFAULT_PROJECT_PREFERENCES;
-      setValue({
-        navigationMode: mode,
-        showLimitedProjects: currentPreferences.showLimitedProjects,
-        limitedProjectsCount: currentPreferences.limitedProjectsCount,
+    async (mode: TProjectNavigationMode) => {
+      if (!workspaceSlug) return;
+
+      await updateProjectNavigationPreferences(workspaceSlug.toString(), {
+        navigation_control_preference: mode,
       });
     },
-    [storedValue, setValue]
+    [workspaceSlug, updateProjectNavigationPreferences]
   );
 
+  // Update show limited projects
   const updateShowLimitedProjects = useCallback(
-    (show: boolean) => {
-      const currentPreferences = storedValue || DEFAULT_PROJECT_PREFERENCES;
-      setValue({
-        navigationMode: currentPreferences.navigationMode,
-        showLimitedProjects: show,
-        limitedProjectsCount: currentPreferences.limitedProjectsCount,
+    async (show: boolean) => {
+      if (!workspaceSlug) return;
+
+      // When toggling off, set to 0; when toggling on, use current count or default
+      const newLimit = show ? preferences.limitedProjectsCount || DEFAULT_PROJECT_PREFERENCES.limitedProjectsCount : 0;
+
+      await updateProjectNavigationPreferences(workspaceSlug.toString(), {
+        navigation_project_limit: newLimit,
       });
     },
-    [storedValue, setValue]
+    [workspaceSlug, updateProjectNavigationPreferences, preferences.limitedProjectsCount]
   );
 
+  // Update limited projects count
   const updateLimitedProjectsCount = useCallback(
-    (count: number) => {
-      const currentPreferences = storedValue || DEFAULT_PROJECT_PREFERENCES;
-      setValue({
-        navigationMode: currentPreferences.navigationMode,
-        showLimitedProjects: currentPreferences.showLimitedProjects,
-        limitedProjectsCount: count,
+    async (count: number) => {
+      if (!workspaceSlug) return;
+
+      await updateProjectNavigationPreferences(workspaceSlug.toString(), {
+        navigation_project_limit: count,
       });
     },
-    [storedValue, setValue]
+    [workspaceSlug, updateProjectNavigationPreferences]
   );
 
   return {
-    preferences: storedValue || DEFAULT_PROJECT_PREFERENCES,
+    preferences,
     updateNavigationMode,
     updateShowLimitedProjects,
     updateLimitedProjectsCount,
diff --git a/apps/web/core/layouts/auth-layout/workspace-wrapper.tsx b/apps/web/core/layouts/auth-layout/workspace-wrapper.tsx
index b8c000e386f..256afec7df2 100644
--- a/apps/web/core/layouts/auth-layout/workspace-wrapper.tsx
+++ b/apps/web/core/layouts/auth-layout/workspace-wrapper.tsx
@@ -24,6 +24,7 @@ import {
   WORKSPACE_FAVORITE,
   WORKSPACE_STATES,
   WORKSPACE_SIDEBAR_PREFERENCES,
+  WORKSPACE_PROJECT_NAVIGATION_PREFERENCES,
 } from "@/constants/fetch-keys";
 // hooks
 import { useFavorite } from "@/hooks/store/use-favorite";
@@ -50,7 +51,7 @@ export const WorkspaceAuthWrapper = observer(function WorkspaceAuthWrapper(props
   const {
     workspace: { fetchWorkspaceMembers },
   } = useMember();
-  const { workspaces, fetchSidebarNavigationPreferences } = useWorkspace();
+  const { workspaces, fetchSidebarNavigationPreferences, fetchProjectNavigationPreferences } = useWorkspace();
   const { isMobile } = usePlatformOS();
   const { loader, workspaceInfoBySlug, fetchUserWorkspaceInfo, fetchUserProjectPermissions, allowPermissions } =
     useUserPermissions();
@@ -113,6 +114,13 @@ export const WorkspaceAuthWrapper = observer(function WorkspaceAuthWrapper(props
     { revalidateIfStale: false, revalidateOnFocus: false }
   );
 
+  // fetch workspace project navigation preferences
+  useSWR(
+    workspaceSlug ? WORKSPACE_PROJECT_NAVIGATION_PREFERENCES(workspaceSlug.toString()) : null,
+    workspaceSlug ? () => fetchProjectNavigationPreferences(workspaceSlug.toString()) : null,
+    { revalidateIfStale: false, revalidateOnFocus: false }
+  );
+
   const handleSignOut = async () => {
     await signOut().catch(() =>
       setToast({
diff --git a/apps/web/core/services/workspace.service.ts b/apps/web/core/services/workspace.service.ts
index 0811a562ad1..c544348266b 100644
--- a/apps/web/core/services/workspace.service.ts
+++ b/apps/web/core/services/workspace.service.ts
@@ -19,6 +19,7 @@ import type {
   TActivityEntityData,
   IWorkspaceSidebarNavigationItem,
   IWorkspaceSidebarNavigation,
+  IWorkspaceUserPropertiesResponse,
 } from "@plane/types";
 // services
 import { APIService } from "@/services/api.service";
@@ -397,4 +398,23 @@ export class WorkspaceService extends APIService {
         throw error?.response;
       });
   }
+
+  async fetchWorkspaceFilters(workspaceSlug: string): Promise<IWorkspaceUserPropertiesResponse> {
+    return this.get(`/api/workspaces/${workspaceSlug}/user-properties/`)
+      .then((response) => response?.data)
+      .catch((error) => {
+        throw error?.response?.data;
+      });
+  }
+
+  async patchWorkspaceFilters(
+    workspaceSlug: string,
+    data: Partial<IWorkspaceUserPropertiesResponse>
+  ): Promise<IWorkspaceUserPropertiesResponse> {
+    return this.patch(`/api/workspaces/${workspaceSlug}/user-properties/`, data)
+      .then((response) => response?.data)
+      .catch((error) => {
+        throw error?.response?.data;
+      });
+  }
 }
diff --git a/apps/web/core/store/workspace/index.ts b/apps/web/core/store/workspace/index.ts
index eea83642f26..797398a1fd1 100644
--- a/apps/web/core/store/workspace/index.ts
+++ b/apps/web/core/store/workspace/index.ts
@@ -2,7 +2,12 @@ import { clone, set } from "lodash-es";
 import { action, computed, observable, makeObservable, runInAction } from "mobx";
 // types
 import { computedFn } from "mobx-utils";
-import type { IWorkspaceSidebarNavigationItem, IWorkspace, IWorkspaceSidebarNavigation } from "@plane/types";
+import type {
+  IWorkspaceSidebarNavigationItem,
+  IWorkspace,
+  IWorkspaceSidebarNavigation,
+  IWorkspaceUserPropertiesResponse,
+} from "@plane/types";
 // services
 import { WorkspaceService } from "@/plane-web/services";
 // store
@@ -23,6 +28,7 @@ export interface IWorkspaceRootStore {
   currentWorkspace: IWorkspace | null;
   workspacesCreatedByCurrentUser: IWorkspace[] | null;
   navigationPreferencesMap: Record<string, IWorkspaceSidebarNavigation>;
+  projectNavigationPreferencesMap: Record<string, IWorkspaceUserPropertiesResponse>;
   getWorkspaceRedirectionUrl: () => string;
   // computed actions
   getWorkspaceBySlug: (workspaceSlug: string) => IWorkspace | null;
@@ -45,6 +51,12 @@ export interface IWorkspaceRootStore {
     data: Array<{ key: string; is_pinned: boolean; sort_order: number }>
   ) => Promise<void>;
   getNavigationPreferences: (workspaceSlug: string) => IWorkspaceSidebarNavigation | undefined;
+  getProjectNavigationPreferences: (workspaceSlug: string) => IWorkspaceUserPropertiesResponse | undefined;
+  fetchProjectNavigationPreferences: (workspaceSlug: string) => Promise<void>;
+  updateProjectNavigationPreferences: (
+    workspaceSlug: string,
+    data: Partial<IWorkspaceUserPropertiesResponse>
+  ) => Promise<void>;
   mutateWorkspaceMembersActivity: (workspaceSlug: string) => Promise<void>;
   // sub-stores
   webhook: IWebhookStore;
@@ -57,6 +69,7 @@ export abstract class BaseWorkspaceRootStore implements IWorkspaceRootStore {
   // observables
   workspaces: Record<string, IWorkspace> = {};
   navigationPreferencesMap: Record<string, IWorkspaceSidebarNavigation> = {};
+  projectNavigationPreferencesMap: Record<string, IWorkspaceUserPropertiesResponse> = {};
   // services
   workspaceService;
   // root store
@@ -73,6 +86,7 @@ export abstract class BaseWorkspaceRootStore implements IWorkspaceRootStore {
       // observables
       workspaces: observable,
       navigationPreferencesMap: observable,
+      projectNavigationPreferencesMap: observable,
       // computed
       currentWorkspace: computed,
       workspacesCreatedByCurrentUser: computed,
@@ -88,6 +102,8 @@ export abstract class BaseWorkspaceRootStore implements IWorkspaceRootStore {
       fetchSidebarNavigationPreferences: action,
       updateSidebarPreference: action,
       updateBulkSidebarPreferences: action,
+      fetchProjectNavigationPreferences: action,
+      updateProjectNavigationPreferences: action,
     });
 
     // services
@@ -315,6 +331,51 @@ export abstract class BaseWorkspaceRootStore implements IWorkspaceRootStore {
     }
   };
 
+  getProjectNavigationPreferences = computedFn(
+    (workspaceSlug: string): IWorkspaceUserPropertiesResponse | undefined =>
+      this.projectNavigationPreferencesMap[workspaceSlug]
+  );
+
+  fetchProjectNavigationPreferences = async (workspaceSlug: string) => {
+    try {
+      const response = await this.workspaceService.fetchWorkspaceFilters(workspaceSlug);
+
+      runInAction(() => {
+        this.projectNavigationPreferencesMap[workspaceSlug] = response;
+      });
+    } catch (error) {
+      console.error("Failed to fetch project navigation preferences:", error);
+      throw error;
+    }
+  };
+
+  updateProjectNavigationPreferences = async (
+    workspaceSlug: string,
+    data: Partial<IWorkspaceUserPropertiesResponse>
+  ) => {
+    const beforeUpdateData = clone(this.projectNavigationPreferencesMap[workspaceSlug]);
+
+    try {
+      // Optimistically update store
+      runInAction(() => {
+        this.projectNavigationPreferencesMap[workspaceSlug] = {
+          ...this.projectNavigationPreferencesMap[workspaceSlug],
+          ...data,
+        };
+      });
+
+      // Call API to persist changes
+      await this.workspaceService.patchWorkspaceFilters(workspaceSlug, data);
+    } catch (error) {
+      // Rollback on failure
+      runInAction(() => {
+        this.projectNavigationPreferencesMap[workspaceSlug] = beforeUpdateData;
+      });
+      console.error("Failed to update project navigation preferences:", error);
+      throw error;
+    }
+  };
+
   /**
    * Mutate workspace members activity
    * @param workspaceSlug
diff --git a/apps/web/core/types/navigation-preferences.ts b/apps/web/core/types/navigation-preferences.ts
index 357593a5aaf..3f03802f523 100644
--- a/apps/web/core/types/navigation-preferences.ts
+++ b/apps/web/core/types/navigation-preferences.ts
@@ -11,7 +11,7 @@ export interface TPersonalNavigationItemState {
   sort_order: number;
 }
 
-export type TProjectNavigationMode = "accordion" | "horizontal";
+export type TProjectNavigationMode = "ACCORDION" | "TABBED";
 
 export interface TProjectDisplaySettings {
   navigationMode: TProjectNavigationMode;
@@ -54,7 +54,7 @@ export const DEFAULT_PERSONAL_PREFERENCES: TPersonalNavigationPreferences = {
 };
 
 export const DEFAULT_PROJECT_PREFERENCES: TProjectNavigationPreferences = {
-  navigationMode: "accordion",
+  navigationMode: "ACCORDION",
   showLimitedProjects: false,
   limitedProjectsCount: 10,
 };
diff --git a/packages/types/src/view-props.ts b/packages/types/src/view-props.ts
index 7211b58a4ab..aa90541a957 100644
--- a/packages/types/src/view-props.ts
+++ b/packages/types/src/view-props.ts
@@ -194,6 +194,12 @@ export interface IIssueFiltersResponse {
   display_properties: IIssueDisplayProperties;
 }
 
+export interface IWorkspaceUserPropertiesResponse extends IIssueFiltersResponse {
+  navigation_project_limit?: number;
+  navigation_control_preference?: "ACCORDION" | "TABBED";
+  // Note: show_limited_projects is derived from navigation_project_limit (0 = false, >0 = true)
+}
+
 export interface IWorkspaceIssueFilterOptions {
   assignees?: string[] | null;
   created_by?: string[] | null;