diff --git a/.changeset/many-snails-kneel.md b/.changeset/many-snails-kneel.md
new file mode 100644
index 00000000000..3755e4ce876
--- /dev/null
+++ b/.changeset/many-snails-kneel.md
@@ -0,0 +1,5 @@
+---
+"firebase": patch
+---
+
+Add the missing type definition for 'Query.get()' for RTDB
diff --git a/packages/database-types/index.d.ts b/packages/database-types/index.d.ts
index fa377fb241d..a59be87eb4d 100644
--- a/packages/database-types/index.d.ts
+++ b/packages/database-types/index.d.ts
@@ -81,6 +81,7 @@ export interface Query {
     callback?: (a: DataSnapshot, b?: string | null) => any,
     context?: Object | null
   ): void;
+  get(): Promise<DataSnapshot>;
   on(
     eventType: EventType,
     callback: (a: DataSnapshot, b?: string | null) => any,
diff --git a/packages/firebase/index.d.ts b/packages/firebase/index.d.ts
index 2cae198c74d..b922fcff0e5 100644
--- a/packages/firebase/index.d.ts
+++ b/packages/firebase/index.d.ts
@@ -6171,6 +6171,16 @@ declare namespace firebase.database {
       context?: Object | null
     ): void;
 
+    /**
+     * Gets the most up-to-date result for this query.
+     *
+     * @return A promise which resolves to the resulting DataSnapshot if
+     * a value is available, or rejects if the client is unable to return
+     * a value (e.g., if the server is unreachable and there is nothing
+     * cached).
+     */
+    get(): Promise<DataSnapshot>;
+
     /**
      * Listens for data changes at a particular location.
      *