diff --git a/src/Controls/src/Core/Page/Page.cs b/src/Controls/src/Core/Page/Page.cs
index 3f690538fdce..510eddce4fb3 100644
--- a/src/Controls/src/Core/Page/Page.cs
+++ b/src/Controls/src/Core/Page/Page.cs
@@ -56,6 +56,7 @@ public partial class Page : VisualElement, ILayout, IPageController, IElementCon
 		public static readonly BindableProperty BackgroundImageSourceProperty = BindableProperty.Create(nameof(BackgroundImageSource), typeof(ImageSource), typeof(Page), default(ImageSource));
 
 		/// <summary>Bindable property for <see cref="IsBusy"/>.</summary>
+		[Obsolete("Page.IsBusy has been deprecated and will be removed in .NET 11")]
 		public static readonly BindableProperty IsBusyProperty = BindableProperty.Create(nameof(IsBusy), typeof(bool), typeof(Page), false, propertyChanged: (bo, o, n) => ((Page)bo).OnPageBusyChanged());
 
 		/// <summary>Bindable property for <see cref="Padding"/>.</summary>
@@ -128,6 +129,7 @@ public ImageSource IconImageSource
 		/// <remarks>
 		/// <para>Setting <see cref="IsBusy"/> to <see langword="true"/> on multiple pages at once will cause the global activity indicator to run until all are set back to <see langword="false"/>. It is the developer's responsibility to unset the <see cref="IsBusy"/> flag before cleaning up a page.</para>
 		/// </remarks>
+		[Obsolete("Page.IsBusy has been deprecated and will be removed in .NET 11")]
 		public bool IsBusy
 		{
 			get { return (bool)GetValue(IsBusyProperty); }
@@ -655,6 +657,7 @@ public void SendAppearing()
 
 			_hasAppeared = true;
 
+#pragma warning disable CS0618 // TODO: Remove this API in .NET 11. Issue Link: https://github.com/dotnet/maui/issues/30155
 			if (IsBusy)
 			{
 				if (IsPlatformEnabled)
@@ -662,6 +665,7 @@ public void SendAppearing()
 				else
 					_pendingActions.Add(() => Window.AlertManager.RequestPageBusy(this, true));
 			}
+#pragma warning restore CS0618 // Type or member is obsolete
 
 			OnAppearing();
 			Appearing?.Invoke(this, EventArgs.Empty);
@@ -684,8 +688,10 @@ public void SendDisappearing()
 
 			_hasAppeared = false;
 
+#pragma warning disable CS0618 // TODO: Remove this API in .NET 11. Issue Link: https://github.com/dotnet/maui/issues/30155
 			if (IsBusy)
 				Window.AlertManager.RequestPageBusy(this, false);
+#pragma warning restore CS0618 // Type or member is obsolete
 
 			var pageContainer = this as IPageContainer<Page>;
 			pageContainer?.CurrentPage?.SendDisappearing();
@@ -746,7 +752,9 @@ void OnPageBusyChanged()
 		{
 			if (!_hasAppeared)
 				return;
+#pragma warning disable CS0618 // TODO: Remove this API in .NET 11. Issue Link: https://github.com/dotnet/maui/issues/30155
 			Window.AlertManager.RequestPageBusy(this, IsBusy);
+#pragma warning restore CS0618 // Type or member is obsolete
 		}
 
 		void OnToolbarItemsCollectionChanged(object sender, NotifyCollectionChangedEventArgs args)
diff --git a/src/Controls/src/Core/Platform/AlertManager/AlertManager.Android.cs b/src/Controls/src/Core/Platform/AlertManager/AlertManager.Android.cs
index 0d6a4961c941..c2079e7ca66a 100644
--- a/src/Controls/src/Core/Platform/AlertManager/AlertManager.Android.cs
+++ b/src/Controls/src/Core/Platform/AlertManager/AlertManager.Android.cs
@@ -44,6 +44,7 @@ internal AlertRequestHelper(Activity context, IMauiContext mauiContext)
 
 			public IMauiContext MauiContext { get; }
 
+			// TODO: This method is obsolete in .NET 10 and will be removed in .NET11.
 			public partial void OnPageBusy(Page sender, bool enabled)
 			{
 				// Verify that the page making the request is part of this activity 
diff --git a/src/Controls/src/Core/Platform/AlertManager/AlertManager.Standard.cs b/src/Controls/src/Core/Platform/AlertManager/AlertManager.Standard.cs
index 6eeffec49b7b..f482979910a8 100644
--- a/src/Controls/src/Core/Platform/AlertManager/AlertManager.Standard.cs
+++ b/src/Controls/src/Core/Platform/AlertManager/AlertManager.Standard.cs
@@ -18,6 +18,7 @@ public partial void OnAlertRequested(Page sender, AlertArguments arguments) { }
 
 			public partial void OnPromptRequested(Page sender, PromptArguments arguments) { }
 
+			// TODO: This method is obsolete in .NET 10 and will be removed in .NET 11.
 			public partial void OnPageBusy(Page sender, bool enabled) { }
 		}
 	}
diff --git a/src/Controls/src/Core/Platform/AlertManager/AlertManager.Windows.cs b/src/Controls/src/Core/Platform/AlertManager/AlertManager.Windows.cs
index d48b2eb2cdba..c2daaba09c22 100644
--- a/src/Controls/src/Core/Platform/AlertManager/AlertManager.Windows.cs
+++ b/src/Controls/src/Core/Platform/AlertManager/AlertManager.Windows.cs
@@ -32,6 +32,7 @@ internal AlertRequestHelper(Window virtualView, UI.Xaml.Window platformView)
 
 			public UI.Xaml.Window PlatformView { get; }
 
+			// TODO: This method is obsolete in .NET 10 and will be removed in .NET11.
 			public partial void OnPageBusy(Page sender, bool enabled)
 			{
 				// TODO: Wrap the pages in a Canvas, and dynamically add a ProgressBar
diff --git a/src/Controls/src/Core/Platform/AlertManager/AlertManager.cs b/src/Controls/src/Core/Platform/AlertManager/AlertManager.cs
index b6d9c87db0ab..4b88d36cf7d9 100644
--- a/src/Controls/src/Core/Platform/AlertManager/AlertManager.cs
+++ b/src/Controls/src/Core/Platform/AlertManager/AlertManager.cs
@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using System;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
 using Microsoft.Maui.Controls.Internals;
 
@@ -58,6 +59,7 @@ public void RequestAlert(Page page, AlertArguments arguments) =>
 		public void RequestPrompt(Page page, PromptArguments arguments) =>
 			_subscription?.OnPromptRequested(page, arguments);
 
+		[Obsolete("This method is obsolete in .NET 10 and will be removed in .NET11.")]
 		public void RequestPageBusy(Page page, bool isBusy) =>
 			_subscription?.OnPageBusy(page, isBusy);
 
@@ -71,6 +73,7 @@ internal interface IAlertManagerSubscription
 
 			void OnPromptRequested(Page sender, PromptArguments arguments);
 
+			[Obsolete("This method is obsolete in .NET 10 and will be removed in .NET11.")]
 			void OnPageBusy(Page sender, bool enabled);
 		}
 
@@ -82,6 +85,7 @@ internal partial class AlertRequestHelper : IAlertManagerSubscription
 
 			public partial void OnPromptRequested(Page sender, PromptArguments arguments);
 
+			[Obsolete("This method is obsolete in .NET 10 and will be removed in .NET11.")]
 			public partial void OnPageBusy(Page sender, bool enabled);
 		}
 	}
diff --git a/src/Controls/src/Core/Platform/AlertManager/AlertManager.iOS.cs b/src/Controls/src/Core/Platform/AlertManager/AlertManager.iOS.cs
index 08b0e89ba4e0..fae501b1516c 100644
--- a/src/Controls/src/Core/Platform/AlertManager/AlertManager.iOS.cs
+++ b/src/Controls/src/Core/Platform/AlertManager/AlertManager.iOS.cs
@@ -35,6 +35,7 @@ internal AlertRequestHelper(Window virtualView, UIWindow platformView)
 
 			public UIWindow PlatformView { get; }
 
+			// TODO: This method is obsolete in .NET 10 and will be removed in .NET 11.
 			public partial void OnPageBusy(Page sender, bool enabled)
 			{
 				_busyCount = Math.Max(0, enabled ? _busyCount + 1 : _busyCount - 1);
diff --git a/src/Controls/tests/DeviceTests/Elements/Page/PageTests.cs b/src/Controls/tests/DeviceTests/Elements/Page/PageTests.cs
index 458bb8836fea..a83300901f88 100644
--- a/src/Controls/tests/DeviceTests/Elements/Page/PageTests.cs
+++ b/src/Controls/tests/DeviceTests/Elements/Page/PageTests.cs
@@ -87,7 +87,9 @@ await CreateHandlerAndAddToWindow<PageHandler>(page, async (handler) =>
 		public async Task UsingIsBusyNoCrash()
 		{
 			var page = new ContentPage();
+#pragma warning disable CS0618 // TODO: Remove this API in .NET 11. Issue Link: https://github.com/dotnet/maui/issues/30155
 			page.IsBusy = true;
+#pragma warning restore CS0618 // Type or member is obsolete
 
 			await CreateHandlerAndAddToWindow<PageHandler>(page, (handler) =>
 			{