diff --git a/src/Nito.Disposables/IReferenceCountedAsyncDisposable.cs b/src/Nito.Disposables/IReferenceCountedAsyncDisposable.cs
index 08b0d5b..734f764 100644
--- a/src/Nito.Disposables/IReferenceCountedAsyncDisposable.cs
+++ b/src/Nito.Disposables/IReferenceCountedAsyncDisposable.cs
@@ -23,6 +23,21 @@ public interface IReferenceCountedAsyncDisposable<out T> : IAsyncDisposable
         /// Gets the target object. Throws <see cref="ObjectDisposedException"/> if this instance is disposed.
         /// </summary>
         T? Target { get; }
+
+        /// <summary>
+        /// Whether this instance is currently disposing or has been disposed.
+        /// </summary>
+        public bool IsDisposeStarted { get; }
+
+        /// <summary>
+        /// Whether this instance is disposed (finished disposing).
+        /// </summary>
+        public bool IsDisposed { get; }
+
+        /// <summary>
+        /// Whether this instance is currently disposing, but not finished yet.
+        /// </summary>
+        public bool IsDisposing { get; }
     }
 }
 #endif
\ No newline at end of file
diff --git a/src/Nito.Disposables/IReferenceCountedDisposable.cs b/src/Nito.Disposables/IReferenceCountedDisposable.cs
index 0700a4f..f39559f 100644
--- a/src/Nito.Disposables/IReferenceCountedDisposable.cs
+++ b/src/Nito.Disposables/IReferenceCountedDisposable.cs
@@ -22,5 +22,20 @@ public interface IReferenceCountedDisposable<out T> : IDisposable
         /// Gets the target object. Throws <see cref="ObjectDisposedException"/> if this instance is disposed.
         /// </summary>
         T? Target { get; }
+
+        /// <summary>
+        /// Whether this instance is currently disposing or has been disposed.
+        /// </summary>
+        public bool IsDisposeStarted { get; }
+
+        /// <summary>
+        /// Whether this instance is disposed (finished disposing).
+        /// </summary>
+        public bool IsDisposed { get; }
+
+        /// <summary>
+        /// Whether this instance is currently disposing, but not finished yet.
+        /// </summary>
+        public bool IsDisposing { get; }
     }
 }