diff --git a/src/api/service/chat-service/index.ts b/src/api/service/chat-service/index.ts
index 3bdeea6d..a6e01732 100644
--- a/src/api/service/chat-service/index.ts
+++ b/src/api/service/chat-service/index.ts
@@ -5,6 +5,8 @@ import {
   GetChatMessagesParams,
   GetChatMessagesResponse,
   GetChatRoomsResponse,
+  ReadMessagesParams,
+  ReadMessagesResponse,
 } from '@/types/service/chat';
 
 export const chatServiceRemote = () => ({
@@ -27,4 +29,9 @@ export const chatServiceRemote = () => ({
       },
     });
   },
+
+  // 메세지 읽음 처리
+  readMessages: async ({ roomId }: ReadMessagesParams) => {
+    return apiV1.put<ReadMessagesResponse>(`/chat/rooms/${roomId}/read`);
+  },
 });
diff --git a/src/app/chat/[roomId]/ChatRoomPage.tsx b/src/app/chat/[roomId]/ChatRoomPage.tsx
index b204bce6..193e3ba1 100644
--- a/src/app/chat/[roomId]/ChatRoomPage.tsx
+++ b/src/app/chat/[roomId]/ChatRoomPage.tsx
@@ -6,6 +6,7 @@ import { DEFAULT_PROFILE_IMAGE } from 'constants/default-images';
 import { ChatHeader, ChatInput, MyChat, OtherChat } from '@/components/pages/chat';
 import { UserList } from '@/components/pages/chat/chat-user-list';
 import { useGetChatMessages } from '@/hooks/use-chat';
+import { useReadMessages } from '@/hooks/use-chat/use-chat-read';
 import { useChatSocket } from '@/hooks/use-chat/use-chat-socket';
 import { ChatMessage } from '@/types/service/chat';
 
@@ -82,14 +83,9 @@ interface IProps {
 const ChatRoomPage = ({ accessToken, roomId, userId }: IProps) => {
   const [isUserListOpen, setIsUserListOpen] = useState(false);
   const [chatMessages, setChatMessages] = useState<ChatMessage[]>([]);
-  const { data: previousMessages } = useGetChatMessages(roomId);
-
-  useEffect(() => {
-    if (!previousMessages) return;
-    // eslint-disable-next-line react-hooks/set-state-in-effect
-    setChatMessages([...previousMessages.messages].reverse());
-  }, [previousMessages]);
 
+  const { data: previousMessages } = useGetChatMessages(roomId);
+  const { mutate: readMessages } = useReadMessages(roomId, userId);
   const {
     messages: newMessages,
     sendMessage,
@@ -103,6 +99,19 @@ const ChatRoomPage = ({ accessToken, roomId, userId }: IProps) => {
       setChatMessages((prev) => [...prev, message]);
     },
   });
+
+  useEffect(() => {
+    if (!isConnected) return;
+
+    readMessages();
+  }, [isConnected, readMessages, newMessages]);
+
+  useEffect(() => {
+    if (!previousMessages) return;
+    // eslint-disable-next-line react-hooks/set-state-in-effect
+    setChatMessages([...previousMessages.messages].reverse());
+  }, [previousMessages]);
+
   console.log(newMessages);
 
   const handleSubmit = (text: string) => {
diff --git a/src/components/pages/chat/chat-list/index.tsx b/src/components/pages/chat/chat-list/index.tsx
index 2e892d16..d027d2ac 100644
--- a/src/components/pages/chat/chat-list/index.tsx
+++ b/src/components/pages/chat/chat-list/index.tsx
@@ -2,6 +2,9 @@
 import Image from 'next/image';
 import { useRouter } from 'next/navigation';
 
+import { useEffect } from 'react';
+
+import { useQueryClient } from '@tanstack/react-query';
 import { DEFAULT_PROFILE_IMAGE } from 'constants/default-images';
 
 import { useGetChatList } from '@/hooks/use-chat/use-chat-list';
@@ -15,13 +18,20 @@ interface IProps {
 
 export const ChatList = ({ userId }: IProps) => {
   const router = useRouter();
-
+  const queryClient = useQueryClient();
   const handleClick = (chatId: number) => {
     router.push(`/chat/${chatId}`);
   };
   const { data: chatList } = useGetChatList({ userId });
+
   console.log(chatList);
 
+  // 현재 방식은 tanstack query를 이용해서 단지 목록 조회
+  // but, 소켓 통신을 하고 있는 상황이므로 목록 역시 소켓을 열어서 페이지에 머물러 있을 때도 실시간으로 확인 가능하도록
+  useEffect(() => {
+    queryClient.invalidateQueries({ queryKey: ['chatList', userId] });
+  }, [chatList, userId]);
+
   return (
     <ul className='flex flex-col'>
       {chatList?.chatRooms.length === 0 ? (
diff --git a/src/hooks/use-chat/use-chat-messages/index.ts b/src/hooks/use-chat/use-chat-messages/index.ts
index 8cc7a9c8..890f7a43 100644
--- a/src/hooks/use-chat/use-chat-messages/index.ts
+++ b/src/hooks/use-chat/use-chat-messages/index.ts
@@ -6,6 +6,7 @@ export const useGetChatMessages = (roomId: number, cursor?: number, size?: numbe
   const query = useQuery({
     queryKey: ['chatMessages', roomId],
     queryFn: () => API.chatService.getChatMessages({ roomId, cursor, size }),
+    staleTime: 0,
   });
   return query;
 };
diff --git a/src/hooks/use-chat/use-chat-read/index.ts b/src/hooks/use-chat/use-chat-read/index.ts
new file mode 100644
index 00000000..cc883ff4
--- /dev/null
+++ b/src/hooks/use-chat/use-chat-read/index.ts
@@ -0,0 +1,19 @@
+import { useMutation, useQueryClient } from '@tanstack/react-query';
+
+import { API } from '@/api';
+
+export const useReadMessages = (roomId: number, userId: number) => {
+  const queryClient = useQueryClient();
+
+  const query = useMutation({
+    mutationKey: ['chatMessages', roomId],
+    mutationFn: () => API.chatService.readMessages({ roomId }),
+    onSuccess: () => {
+      console.log('메세지를 읽었어요!');
+      queryClient.invalidateQueries({
+        queryKey: ['chatList', userId],
+      });
+    },
+  });
+  return query;
+};
diff --git a/src/hooks/use-chat/use-chat-socket/index.ts b/src/hooks/use-chat/use-chat-socket/index.ts
index 7d07d0ee..9314be0d 100644
--- a/src/hooks/use-chat/use-chat-socket/index.ts
+++ b/src/hooks/use-chat/use-chat-socket/index.ts
@@ -49,7 +49,7 @@ export const useChatSocket = ({
         Authorization: `Bearer ${accessToken}`,
       },
       debug: (str) => console.log(str),
-      reconnectDelay: 60000,
+      reconnectDelay: 6000,
       heartbeatIncoming: 4000,
       heartbeatOutgoing: 4000,
     });
diff --git a/src/types/service/chat.ts b/src/types/service/chat.ts
index 24b9453e..756b06b3 100644
--- a/src/types/service/chat.ts
+++ b/src/types/service/chat.ts
@@ -52,3 +52,13 @@ export interface GetChatMessagesResponse {
   nextCursor: number | null;
   hasNext: boolean;
 }
+
+export interface ReadMessagesParams {
+  roomId: number;
+}
+
+export interface ReadMessagesResponse {
+  chatRoomId: number;
+  lastReadMessageId: number;
+  unreadCount: number;
+}