diff --git a/src/TaxBaik.Web.Client/Components/Admin/Pages/Contracts.razor b/src/TaxBaik.Web.Client/Components/Admin/Pages/Contracts.razor
index c627b9b..05602ad 100644
--- a/src/TaxBaik.Web.Client/Components/Admin/Pages/Contracts.razor
+++ b/src/TaxBaik.Web.Client/Components/Admin/Pages/Contracts.razor
@@ -46,61 +46,44 @@ else
             }
             else
             {
-                <MudDataGrid T="Contract"
-                    Items="@contracts"
-                    Dense="true"
-                    Hover="true"
-                    Striped="true"
-                    
-                    RowsPerPage="30"
-                    SelectedItem="@selectedContract"
-                    SelectedItemChanged="OnRowSelected"
-                    Class="admin-grid">
-                    <Columns>
-                        <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
-                        <TemplateColumn Title="고객">
-                            <CellTemplate>
-                                @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
-                                {
-                                    @clientName
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <PropertyColumn Property="x => x.ContractNumber" Title="계약번호" />
-                        <PropertyColumn Property="x => x.ServiceType" Title="서비스 유형" />
-                        <PropertyColumn Property="x => x.MonthlyFee" Title="월 수수료" Format="C" />
-                        <TemplateColumn Title="계약기간">
-                            <CellTemplate>
-                                @context.Item.StartDate.ToString("yyyy-MM-dd")
-                                @if (context.Item.EndDate.HasValue)
-                                {
-                                    <span>~@context.Item.EndDate.Value.ToString("yyyy-MM-dd")</span>
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <TemplateColumn Title="상태">
-                            <CellTemplate>
-                                @{
-                                    var isActive = !context.Item.EndDate.HasValue || context.Item.EndDate.Value >= DateTime.Today;
-                                }
-                                @if (isActive)
-                                {
-                                    <MudChip Size="Size.Small" Color="Color.Success" Variant="Variant.Filled">활성</MudChip>
-                                }
-                                else
-                                {
-                                    <MudChip Size="Size.Small" Color="Color.Default" Variant="Variant.Outlined">만료</MudChip>
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <TemplateColumn Title="작업" Sortable="false">
-                            <CellTemplate>
-                                <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small"
-                                    OnClick="@(async () => await DeleteContract(context.Item.Id))" />
-                            </CellTemplate>
-                        </TemplateColumn>
-                    </Columns>
-                </MudDataGrid>
+                <table class="admin-grid table">
+                    <thead>
+                        <tr>
+                            <th>ID</th>
+                            <th>고객</th>
+                            <th>계약번호</th>
+                            <th>서비스 유형</th>
+                            <th>월 수수료</th>
+                            <th>계약기간</th>
+                            <th>상태</th>
+                            <th>작업</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        @foreach (var item in contracts)
+                        {
+                            var isActive = !item.EndDate.HasValue || item.EndDate.Value >= DateTime.Today;
+                            <tr @onclick="() => OnRowSelected(item)" style="cursor:pointer;">
+                                <td>@item.Id</td>
+                                <td>@clientMap.GetValueOrDefault(item.ClientId)</td>
+                                <td>@item.ContractNumber</td>
+                                <td>@item.ServiceType</td>
+                                <td>@(item.MonthlyFee?.ToString("C") ?? string.Empty)</td>
+                                <td>
+                                    @item.StartDate.ToString("yyyy-MM-dd")
+                                    @if (item.EndDate.HasValue)
+                                    {
+                                        <span>~@item.EndDate.Value.ToString("yyyy-MM-dd")</span>
+                                    }
+                                </td>
+                                <td>@(isActive ? "활성" : "만료")</td>
+                                <td>
+                                    <button type="button" class="mud-button-root mud-button mud-button-text mud-ripple" @onclick:stopPropagation="true" @onclick="@(async () => await DeleteContract(item.Id))">삭제</button>
+                                </td>
+                            </tr>
+                        }
+                    </tbody>
+                </table>
             }
         </MudItem>
 
diff --git a/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxFilingSchedules.razor b/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxFilingSchedules.razor
index 95122fa..bf0a538 100644
--- a/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxFilingSchedules.razor
+++ b/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxFilingSchedules.razor
@@ -40,35 +40,28 @@ else
             }
             else
             {
-                <MudDataGrid T="TaxFilingSchedule"
-                             Items="@schedules"
-                             Dense="true"
-                             Hover="true"
-                             Striped="true"
-                             
-                             RowsPerPage="30"
-                             SelectedItem="@selectedSchedule"
-                             SelectedItemChanged="OnRowSelected"
-                             Class="admin-grid">
-                    <Columns>
-                        <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
-                        <TemplateColumn Title="고객">
-                            <CellTemplate>
-                                @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
-                                {
-                                    @clientName
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <PropertyColumn Property="x => x.FilingType" Title="신고 유형" />
-                        <TemplateColumn Title="마감일">
-                            <CellTemplate>
-                                @{
-                                    var effectiveDueDate = BusinessDayCalculator.GetEffectiveDueDate(DateOnly.FromDateTime(context.Item.DueDate));
-                                    var daysLeft = BusinessDayCalculator.GetDday(DateOnly.FromDateTime(context.Item.DueDate));
-                                    var statusColor = daysLeft < 0 ? Color.Error : daysLeft <= 7 ? Color.Warning : Color.Success;
-                                }
-                                <MudChip Size="Size.Small" Color="@statusColor" Variant="Variant.Filled">
+                <table class="admin-grid table">
+                    <thead>
+                        <tr>
+                            <th>ID</th>
+                            <th>고객</th>
+                            <th>신고 유형</th>
+                            <th>마감일</th>
+                            <th>신고연도</th>
+                            <th>상태</th>
+                            <th>작업</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        @foreach (var item in schedules)
+                        {
+                            var effectiveDueDate = BusinessDayCalculator.GetEffectiveDueDate(DateOnly.FromDateTime(item.DueDate));
+                            var daysLeft = BusinessDayCalculator.GetDday(DateOnly.FromDateTime(item.DueDate));
+                            <tr @onclick="() => OnRowSelected(item)" style="cursor:pointer;">
+                                <td>@item.Id</td>
+                                <td>@clientMap.GetValueOrDefault(item.ClientId)</td>
+                                <td>@item.FilingType</td>
+                                <td>
                                     @effectiveDueDate.ToDateTime(TimeOnly.MinValue).ToString("yyyy-MM-dd")
                                     @if (daysLeft >= 0)
                                     {
@@ -78,41 +71,20 @@ else
                                     {
                                         <span class="ms-1">(마감 @Math.Abs(daysLeft)일 경과)</span>
                                     }
-                                </MudChip>
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <PropertyColumn Property="x => x.FilingYear" Title="신고연도" />
-                        <TemplateColumn Title="상태">
-                            <CellTemplate>
-                                @if (context.Item.Status == "completed")
-                                {
-                                    <MudChip Size="Size.Small" Color="Color.Success" Variant="Variant.Filled">완료</MudChip>
-                                }
-                                else
-                                {
-                                    <MudChip Size="Size.Small" Color="Color.Default" Variant="Variant.Outlined">대기</MudChip>
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <TemplateColumn Title="작업" Sortable="false">
-                            <CellTemplate>
-                                <MudButtonGroup Size="Size.Small" Variant="Variant.Outlined">
-                                    @if (context.Item.Status != "completed")
+                                </td>
+                                <td>@item.FilingYear</td>
+                                <td>@(item.Status == "completed" ? "완료" : "대기")</td>
+                                <td>
+                                    <button type="button" class="mud-button-root mud-button mud-button-text mud-ripple" @onclick:stopPropagation="true" @onclick="@(async () => await DeleteSchedule(item.Id))">삭제</button>
+                                    @if (item.Status != "completed")
                                     {
-                                        <MudIconButton Icon="@Icons.Material.Filled.CheckCircle"
-                                                       Color="Color.Success"
-                                                       OnClick="@(async () => await CompleteSchedule(context.Item.Id))"
-                                                       Title="완료" />
+                                        <button type="button" class="mud-button-root mud-button mud-button-text mud-ripple ms-2" @onclick:stopPropagation="true" @onclick="@(async () => await CompleteSchedule(item.Id))">완료</button>
                                     }
-                                    <MudIconButton Icon="@Icons.Material.Filled.Delete"
-                                                   Color="Color.Error"
-                                                   OnClick="@(async () => await DeleteSchedule(context.Item.Id))"
-                                                   Title="삭제" />
-                                </MudButtonGroup>
-                            </CellTemplate>
-                        </TemplateColumn>
-                    </Columns>
-                </MudDataGrid>
+                                </td>
+                            </tr>
+                        }
+                    </tbody>
+                </table>
             }
         </MudItem>
 
diff --git a/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxProfiles.razor b/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxProfiles.razor
index 01a6891..d8aee9b 100644
--- a/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxProfiles.razor
+++ b/src/TaxBaik.Web.Client/Components/Admin/Pages/TaxProfiles.razor
@@ -36,49 +36,33 @@ else
             }
             else
             {
-                <MudDataGrid T="TaxProfile"
-                    Items="@profiles"
-                    Dense="true"
-                    Hover="true"
-                    Striped="true"
-                    
-                    RowsPerPage="30"
-                    SelectedItem="@selectedProfile"
-                    SelectedItemChanged="OnRowSelected"
-                    Class="admin-grid">
-                    <Columns>
-                        <PropertyColumn Property="x => x.Id" Title="ID" Sortable="true" />
-                        <TemplateColumn Title="고객">
-                            <CellTemplate>
-                                @if (clientMap.TryGetValue(context.Item.ClientId, out var clientName))
-                                {
-                                    @clientName
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <PropertyColumn Property="x => x.BusinessType" Title="사업 유형" />
-                        <TemplateColumn Title="위험도">
-                            <CellTemplate>
-                                <MudChip Size="Size.Small" Color="@GetRiskColor(context.Item.TaxRiskLevel)" Variant="Variant.Filled">
-                                    @context.Item.TaxRiskLevel
-                                </MudChip>
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <TemplateColumn Title="다음 신고">
-                            <CellTemplate>
-                                @if (context.Item.NextFilingDueDate.HasValue)
-                                {
-                                    @context.Item.NextFilingDueDate.Value.ToString("yyyy-MM-dd")
-                                }
-                            </CellTemplate>
-                        </TemplateColumn>
-                        <TemplateColumn Title="작업" Sortable="false">
-                            <CellTemplate>
-                                <MudIconButton Icon="@Icons.Material.Filled.Delete" Color="Color.Error" Size="Size.Small" OnClick="@(async () => await DeleteProfile(context.Item.Id))" />
-                            </CellTemplate>
-                        </TemplateColumn>
-                    </Columns>
-                </MudDataGrid>
+                <table class="admin-grid table">
+                    <thead>
+                        <tr>
+                            <th>ID</th>
+                            <th>고객</th>
+                            <th>사업 유형</th>
+                            <th>위험도</th>
+                            <th>다음 신고</th>
+                            <th>작업</th>
+                        </tr>
+                    </thead>
+                    <tbody>
+                        @foreach (var item in profiles)
+                        {
+                            <tr @onclick="() => OnRowSelected(item)" style="cursor:pointer;">
+                                <td>@item.Id</td>
+                                <td>@clientMap.GetValueOrDefault(item.ClientId)</td>
+                                <td>@item.BusinessType</td>
+                                <td>@item.TaxRiskLevel</td>
+                                <td>@(item.NextFilingDueDate?.ToString("yyyy-MM-dd") ?? string.Empty)</td>
+                                <td>
+                                    <button type="button" class="mud-button-root mud-button mud-button-text mud-ripple" @onclick:stopPropagation="true" @onclick="@(async () => await DeleteProfile(item.Id))">삭제</button>
+                                </td>
+                            </tr>
+                        }
+                    </tbody>
+                </table>
             }
         </MudItem>