diff --git a/core/api/src/main/java/org/onosproject/store/service/MapInfo.java b/core/api/src/main/java/org/onosproject/store/service/MapInfo.java
new file mode 100644
index 0000000..5db1704
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/store/service/MapInfo.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.store.service;
+
+/**
+ * Metadata information for a consistent map.
+ */
+public class MapInfo {
+    private final String name;
+    private final int size;
+
+    public MapInfo(String name, int size) {
+        this.name = name;
+        this.size = size;
+    }
+
+    /**
+     * Returns the name of the map.
+     *
+     * @return map name
+     */
+    public String name() {
+        return name;
+    }
+
+    /**
+     * Returns the number of entries in the map.
+     *
+     * @return map size
+     */
+    public int size() {
+        return size;
+    }
+}
diff --git a/core/api/src/main/java/org/onosproject/store/service/StorageAdminService.java b/core/api/src/main/java/org/onosproject/store/service/StorageAdminService.java
index 427b953..572867c 100644
--- a/core/api/src/main/java/org/onosproject/store/service/StorageAdminService.java
+++ b/core/api/src/main/java/org/onosproject/store/service/StorageAdminService.java
@@ -28,4 +28,11 @@
      * @return list of partition information
      */
     List<PartitionInfo> getPartitionInfo();
+
+    /**
+     * Returns information about all the consistent maps in the system.
+     *
+     * @return list of map information
+     */
+    List<MapInfo> getMapInfo();
 }