diff --git a/src/TaxBaik.Web/Pages/Admin/Announcements/Detail.cshtml b/src/TaxBaik.Web/Pages/Admin/Announcements/Detail.cshtml
new file mode 100644
index 0000000..48404e2
--- /dev/null
+++ b/src/TaxBaik.Web/Pages/Admin/Announcements/Detail.cshtml
@@ -0,0 +1,47 @@
+@page "/admin/announcements/{id:int}"
+@model TaxBaik.Web.Pages.Admin.Announcements.DetailModel
+@{ ViewData["Title"] = "공지사항 상세"; }
+
+<section class="admin-page-shell">
+    <partial name="_AdminPageHeader" model='("Content", "공지사항 상세", "공지사항의 노출 정보를 확인합니다.", null, null)' />
+
+    @if (Model.Item is null)
+    {
+        <partial name="_EmptyState" model="공지사항을 찾을 수 없습니다." />
+    }
+    else
+    {
+        <div class="row g-4">
+            <div class="col-lg-8">
+                <div class="card">
+                    <div class="card-body">
+                        <dl class="row details-grid mb-0">
+                            <dt class="col-sm-3">제목</dt>
+                            <dd class="col-sm-9">@Model.Item.Title</dd>
+                            <dt class="col-sm-3">유형</dt>
+                            <dd class="col-sm-9">@Model.Item.DisplayType</dd>
+                            <dt class="col-sm-3">내용</dt>
+                            <dd class="col-sm-9"><div class="pre-wrap">@Model.Item.Content</div></dd>
+                            <dt class="col-sm-3">활성</dt>
+                            <dd class="col-sm-9"><partial name="_StatusBadge" model="@(Model.Item.IsActive ? "active" : "inactive")" /></dd>
+                            <dt class="col-sm-3">정렬</dt>
+                            <dd class="col-sm-9">@Model.Item.SortOrder</dd>
+                            <dt class="col-sm-3">시작일</dt>
+                            <dd class="col-sm-9">@Model.Item.StartsAt?.ToString("yyyy-MM-dd HH:mm")</dd>
+                            <dt class="col-sm-3">종료일</dt>
+                            <dd class="col-sm-9">@Model.Item.EndsAt?.ToString("yyyy-MM-dd HH:mm")</dd>
+                        </dl>
+                    </div>
+                </div>
+            </div>
+            <div class="col-lg-4">
+                <div class="card">
+                    <div class="card-body d-grid gap-2">
+                        <a class="btn btn-primary" href="/admin/announcements/@Model.Item.Id/edit">수정</a>
+                        <a class="btn btn-outline-secondary" href="/admin/announcements">목록</a>
+                    </div>
+                </div>
+            </div>
+        </div>
+    }
+</section>
diff --git a/src/TaxBaik.Web/Pages/Admin/Announcements/Detail.cshtml.cs b/src/TaxBaik.Web/Pages/Admin/Announcements/Detail.cshtml.cs
new file mode 100644
index 0000000..baca1a6
--- /dev/null
+++ b/src/TaxBaik.Web/Pages/Admin/Announcements/Detail.cshtml.cs
@@ -0,0 +1,20 @@
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using TaxBaik.Application.Services;
+using TaxBaik.Domain.Entities;
+using TaxBaik.Web.Services;
+
+namespace TaxBaik.Web.Pages.Admin.Announcements;
+
+[Authorize(AuthenticationSchemes = AdminAuthDefaults.Scheme)]
+public class DetailModel(AnnouncementService announcementService) : PageModel
+{
+    public Announcement? Item { get; private set; }
+
+    public async Task<IActionResult> OnGetAsync(int id, CancellationToken ct)
+    {
+        Item = await announcementService.GetByIdAsync(id, ct);
+        return Page();
+    }
+}
diff --git a/src/TaxBaik.Web/Pages/Admin/Announcements/Edit.cshtml b/src/TaxBaik.Web/Pages/Admin/Announcements/Edit.cshtml
index cf607f9..9c13c18 100644
--- a/src/TaxBaik.Web/Pages/Admin/Announcements/Edit.cshtml
+++ b/src/TaxBaik.Web/Pages/Admin/Announcements/Edit.cshtml
@@ -1,4 +1,4 @@
-@page "{id:int}"
+@page "/admin/announcements/{id:int}/edit"
 @model TaxBaik.Web.Pages.Admin.Announcements.EditModel
 @{ ViewData["Title"] = "공지사항 수정"; }
 
diff --git a/src/TaxBaik.Web/Pages/Admin/Faqs/Detail.cshtml b/src/TaxBaik.Web/Pages/Admin/Faqs/Detail.cshtml
index f8fe014..6623719 100644
--- a/src/TaxBaik.Web/Pages/Admin/Faqs/Detail.cshtml
+++ b/src/TaxBaik.Web/Pages/Admin/Faqs/Detail.cshtml
@@ -1,4 +1,4 @@
-@page "{id:int}"
+@page "/admin/faqs/{id:int}"
 @model TaxBaik.Web.Pages.Admin.Faqs.DetailModel
 @{ ViewData["Title"] = "FAQ 상세"; }
 
diff --git a/src/TaxBaik.Web/Pages/Admin/Faqs/Edit.cshtml b/src/TaxBaik.Web/Pages/Admin/Faqs/Edit.cshtml
index b446abe..98d5528 100644
--- a/src/TaxBaik.Web/Pages/Admin/Faqs/Edit.cshtml
+++ b/src/TaxBaik.Web/Pages/Admin/Faqs/Edit.cshtml
@@ -1,4 +1,4 @@
-@page "{id:int}"
+@page "/admin/faqs/{id:int}/edit"
 @model TaxBaik.Web.Pages.Admin.Faqs.EditModel
 @{ ViewData["Title"] = "FAQ 수정"; }
 
diff --git a/src/TaxBaik.Web/Pages/Admin/Inquiries/Detail.cshtml b/src/TaxBaik.Web/Pages/Admin/Inquiries/Detail.cshtml
index db95c4f..2ed5c8f 100644
--- a/src/TaxBaik.Web/Pages/Admin/Inquiries/Detail.cshtml
+++ b/src/TaxBaik.Web/Pages/Admin/Inquiries/Detail.cshtml
@@ -1,4 +1,4 @@
-@page "{id:int}"
+@page "/admin/inquiries/{id:int}"
 @model TaxBaik.Web.Pages.Admin.Inquiries.DetailModel
 @{ ViewData["Title"] = "문의 상세"; }
 
diff --git a/src/TaxBaik.Web/Pages/Admin/Inquiries/Edit.cshtml b/src/TaxBaik.Web/Pages/Admin/Inquiries/Edit.cshtml
index 4cce5fc..4834924 100644
--- a/src/TaxBaik.Web/Pages/Admin/Inquiries/Edit.cshtml
+++ b/src/TaxBaik.Web/Pages/Admin/Inquiries/Edit.cshtml
@@ -1,4 +1,4 @@
-@page "{id:int}"
+@page "/admin/inquiries/{id:int}/edit"
 @model TaxBaik.Web.Pages.Admin.Inquiries.EditModel
 @{ ViewData["Title"] = "문의 수정"; }