diff --git a/app/controllers/notifications_controller.rb b/app/controllers/notifications_controller.rb
index 6c948f914..7b6f53699 100644
--- a/app/controllers/notifications_controller.rb
+++ b/app/controllers/notifications_controller.rb
@@ -1,5 +1,5 @@
 class NotificationsController < ApplicationController
-  before_action :set_notification, only: [ :show, :resend ]
+  before_action :set_notification, only: [ :show, :update, :resend ]
 
   def index
     authorize!
@@ -21,6 +21,12 @@ def show
     authorize! @notification
   end
 
+  def update
+    authorize! @notification
+    @notification.update!(notification_params)
+    head :ok
+  end
+
   def resend
     authorize! @notification, to: :resend?
 
@@ -53,4 +59,8 @@ def resend
   def set_notification
     @notification = Notification.find(params[:id])
   end
+
+  def notification_params
+    params.require(:notification).permit(:responded)
+  end
 end
diff --git a/app/models/notification.rb b/app/models/notification.rb
index 0371f5375..c94060023 100644
--- a/app/models/notification.rb
+++ b/app/models/notification.rb
@@ -114,6 +114,10 @@ def resendable?
     !kind.in?(DEVISE_KINDS)
   end
 
+  def contact_us?
+    kind.in?(%w[contact_us contact_us_fyi])
+  end
+
   def delivered?
     delivered_at.present?
   end
diff --git a/app/policies/notification_policy.rb b/app/policies/notification_policy.rb
index b8f280947..6acf8c547 100644
--- a/app/policies/notification_policy.rb
+++ b/app/policies/notification_policy.rb
@@ -9,6 +9,10 @@ def show?
     admin? || owner?
   end
 
+  def update?
+    admin?
+  end
+
   def resend?
     admin? && record.resendable?
   end
diff --git a/app/views/notifications/_index.html.erb b/app/views/notifications/_index.html.erb
index 22898cca7..64867f79c 100644
--- a/app/views/notifications/_index.html.erb
+++ b/app/views/notifications/_index.html.erb
@@ -6,6 +6,7 @@
     <th class="px-4 py-3 text-left font-medium text-gray-600">Recipient</th>
     <th class="px-4 py-3 text-left font-medium text-gray-600">Subject</th>
     <th class="px-4 py-3 text-left font-medium text-gray-600">Record</th>
+    <th class="px-4 py-3 text-center font-medium text-gray-600">Responded</th>
     <th class="px-4 py-3 text-right font-medium text-gray-600"></th>
   </tr>
   </thead>
@@ -51,6 +52,25 @@
         <% end %>
       </td>
 
+      <!-- Responded -->
+      <td class="px-4 py-3 text-center"
+          data-controller="autosave"
+          data-autosave-url-value="<%= notification_path(notification) %>"
+          data-autosave-id-value="<%= notification.id %>"
+          data-action="change->autosave#save">
+        <% if notification.contact_us? %>
+          <input type="hidden" name="notification[responded]" value="0">
+          <input type="checkbox"
+                 name="notification[responded]"
+                 value="1"
+                 <%= "checked" if notification.responded? %>
+                 class="w-5 h-5 rounded border-gray-300 text-green-600 accent-green-600 focus:ring-green-500 cursor-pointer"
+                 title="Responded to by staff">
+        <% else %>
+          <span class="text-gray-300">—</span>
+        <% end %>
+      </td>
+
       <!-- Actions -->
       <td class="px-4 py-3 text-right whitespace-nowrap">
         <%= link_to "View",
diff --git a/config/routes.rb b/config/routes.rb
index fb2639a53..bff303c38 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -120,7 +120,7 @@
     resources :comments, only: [ :index, :create ]
   end
   resources :faqs
-  resources :notifications, only: [ :index, :show ] do
+  resources :notifications, only: [ :index, :show, :update ] do
     member do
       post :resend
     end
diff --git a/db/migrate/20260417120000_add_responded_to_notifications.rb b/db/migrate/20260417120000_add_responded_to_notifications.rb
new file mode 100644
index 000000000..db4ba312c
--- /dev/null
+++ b/db/migrate/20260417120000_add_responded_to_notifications.rb
@@ -0,0 +1,9 @@
+class AddRespondedToNotifications < ActiveRecord::Migration[8.1]
+  def up
+    add_column :notifications, :responded, :boolean, default: false, null: false
+  end
+
+  def down
+    remove_column :notifications, :responded, if_exists: true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 3014b674b..6cba1dd5f 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_03_12_120000) do
+ActiveRecord::Schema[8.1].define(version: 2026_04_17_120000) do
   create_table "action_text_mentions", charset: "utf8mb4", collation: "utf8mb4_unicode_ci", force: :cascade do |t|
     t.bigint "action_text_rich_text_id", null: false
     t.datetime "created_at", null: false
@@ -614,6 +614,7 @@
     t.integer "parent_notification_id"
     t.string "recipient_email", null: false
     t.string "recipient_role", null: false
+    t.boolean "responded", default: false, null: false
     t.integer "root_notification_id"
     t.datetime "updated_at", precision: nil, null: false
     t.index ["kind"], name: "index_notifications_on_kind"
diff --git a/spec/models/notification_spec.rb b/spec/models/notification_spec.rb
index e643b0742..32bd24fc3 100644
--- a/spec/models/notification_spec.rb
+++ b/spec/models/notification_spec.rb
@@ -44,6 +44,20 @@
     end
   end
 
+  describe "#contact_us?" do
+    it "returns true for contact_us kind" do
+      expect(build(:notification, kind: "contact_us").contact_us?).to be true
+    end
+
+    it "returns true for contact_us_fyi kind" do
+      expect(build(:notification, kind: "contact_us_fyi").contact_us?).to be true
+    end
+
+    it "returns false for other kinds" do
+      expect(build(:notification, kind: "reset_password_fyi").contact_us?).to be false
+    end
+  end
+
   describe '#resend?' do
     it 'returns true when notification has a parent' do
       parent = create(:notification)
diff --git a/spec/policies/notification_policy_spec.rb b/spec/policies/notification_policy_spec.rb
index 4f6b2f688..0d8f4e257 100644
--- a/spec/policies/notification_policy_spec.rb
+++ b/spec/policies/notification_policy_spec.rb
@@ -50,6 +50,26 @@ def policy_for(record: nil, user:)
     end
   end
 
+  describe "#update?" do
+    context "with admin user" do
+      subject { policy_for(record: notification, user: admin_user) }
+
+      it { is_expected.to be_allowed_to(:update?) }
+    end
+
+    context "with owner user" do
+      subject { policy_for(record: notification, user: regular_user) }
+
+      it { is_expected.not_to be_allowed_to(:update?) }
+    end
+
+    context "with no user" do
+      subject { policy_for(record: notification, user: nil) }
+
+      it { is_expected.not_to be_allowed_to(:update?) }
+    end
+  end
+
   describe "#resend?" do
     context "with admin user" do
       subject { policy_for(record: notification, user: admin_user) }
diff --git a/spec/requests/notifications_spec.rb b/spec/requests/notifications_spec.rb
index 89629af49..82d12f5d2 100644
--- a/spec/requests/notifications_spec.rb
+++ b/spec/requests/notifications_spec.rb
@@ -31,6 +31,49 @@
     end
   end
 
+  describe "PATCH /notifications/:id" do
+    let(:contact_notification) { create(:notification, kind: "contact_us_fyi", recipient_email: regular_user.email) }
+
+    context "as an admin" do
+      before { sign_in admin }
+
+      it "marks the notification as responded" do
+        patch notification_path(contact_notification), params: { notification: { responded: "1" } }
+
+        expect(response).to have_http_status(:ok)
+        expect(contact_notification.reload.responded).to be(true)
+      end
+
+      it "marks the notification as not responded" do
+        contact_notification.update!(responded: true)
+
+        patch notification_path(contact_notification), params: { notification: { responded: "0" } }
+
+        expect(response).to have_http_status(:ok)
+        expect(contact_notification.reload.responded).to be(false)
+      end
+    end
+
+    context "as a regular user" do
+      before { sign_in regular_user }
+
+      it "does not allow updating" do
+        patch notification_path(contact_notification), params: { notification: { responded: "1" } }
+
+        expect(contact_notification.reload.responded).to be(false)
+        expect(response).to redirect_to(root_path)
+      end
+    end
+
+    context "as a guest" do
+      it "redirects to sign in" do
+        patch notification_path(contact_notification), params: { notification: { responded: "1" } }
+
+        expect(response).to redirect_to(new_user_session_path)
+      end
+    end
+  end
+
   describe "POST /notifications/:id/resend" do
     context "as an admin" do
       before { sign_in admin }