diff --git a/apps/config/src/main/java/org/onosproject/config/model/LeafNode.java b/apps/config/src/main/java/org/onosproject/config/model/LeafNode.java
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+++ b/apps/config/src/main/java/org/onosproject/config/model/LeafNode.java
@@ -0,0 +1,194 @@
+/*
+ * Copyright 2016-present 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.config.model;
+
+import static org.onosproject.config.model.ModelConstants.NON_KEY_LEAF;
+
+/**
+ * Abstraction of an entity which represents leaf data tree node.
+ */
+public final class LeafNode extends DataNode {
+
+    /**
+     * Leaf node value.
+     */
+    private Object value;
+
+    /**
+     * Returns value contained in leaf node.
+     *
+     * @return value contained in leaf node
+     */
+    public Object value() {
+        return value;
+    }
+
+    /**
+     * Returns value as string, for usage in serializers.
+     *
+     * @return string representation of value
+     */
+    public String asString() {
+        return String.valueOf(value);
+    }
+
+    /**
+     * Creates an instance of leaf node.
+     *
+     * @param builder leaf node builder
+     */
+    public LeafNode(Builder builder) {
+        super(builder);
+        value = builder.value;
+    }
+
+    /**
+     * Returns data node builder instance.
+     *
+     * @param name      name of node
+     * @param nameSpace namespace of node
+     * @return data node builder instance
+     */
+    public static Builder builder(String name, String nameSpace) {
+        return new Builder(name, nameSpace);
+    }
+
+    /**
+     * Returns data node copy builder.
+     *
+     * @return data node copy builder
+     */
+    @Override
+    public Builder copyBuilder() {
+        return new Builder(this);
+    }
+
+    /**
+     * Builder with get and set functions to build leaf node,
+     * builder will be used both to create leaf node from scratch or from a
+     * given leaf node.
+     */
+    public static final  class Builder extends DataNode.Builder<Builder> {
+
+        /**
+         * Leaf node value.
+         */
+        private Object value;
+
+        public Builder() {
+        }
+
+        /**
+         * Creates an instance of data node builder.
+         *
+         * @param name      name of node
+         * @param namespace namespace of node
+         */
+        public Builder(String name, String namespace) {
+            keyBuilder = NodeKey.builder().schemaId(name, namespace);
+        }
+
+        /**
+         * Creates an instance of leaf node copy builder.
+         *
+         * @param node old leaf node
+         */
+        public Builder(LeafNode node) {
+            super(node);
+            value = node.value;
+        }
+
+        /**
+         * Sets value of leaf node builder.
+         *
+         * @param value value
+         * @return leaf node builder
+         */
+        public Builder value(Object value) {
+            this.value = value;
+            return this;
+        }
+
+        @Override
+        public InnerNode.Builder createChildBuilder(String name, String nameSpace) {
+            throw new IllegalStateException("leaf node can't have a child " +
+                                                    "node");
+        }
+
+        @Override
+        public LeafNode.Builder createChildBuilder(String name, String nameSpace,
+                                                   Object value) {
+            throw new IllegalStateException("leaf node can't have a child " +
+                                                    "node");
+        }
+
+        @Override
+        public InnerNode.Builder deleteChild(NodeKey key) {
+            throw new IllegalStateException("leaf node can't have a child " +
+                                                    "node");
+        }
+
+        @Override
+        public InnerNode.Builder getChildBuilder(NodeKey key) {
+            throw new IllegalStateException("leaf node can't have a child " +
+                                                    "node");
+        }
+
+
+        @Override
+        public InnerNode.Builder addKeyLeaf(String name, String nameSpace, Object val) {
+            throw new IllegalStateException("leaf node can't have a key " +
+                                                    "leaves node");
+        }
+
+        @Override
+        public Builder addLeafListValue(Object val) {
+            LeafListKey.LeafListKeyBuilder leafListKeyBuilder;
+            if (!(keyBuilder instanceof LeafListKey.LeafListKeyBuilder)) {
+                if (keyBuilder instanceof ListKey.ListKeyBuilder) {
+                    throw new ModelException(NON_KEY_LEAF);
+                }
+
+                leafListKeyBuilder = new LeafListKey.LeafListKeyBuilder();
+                NodeKey key = keyBuilder.build();
+                leafListKeyBuilder.schemaId(key.schemaId());
+            } else {
+                leafListKeyBuilder = (LeafListKey.LeafListKeyBuilder) keyBuilder;
+            }
+
+            leafListKeyBuilder.value(val);
+            keyBuilder = leafListKeyBuilder;
+            return this;
+        }
+
+        /**
+         * Builds a leaf node object.
+         *
+         * @return leaf node
+         */
+        @Override
+        public LeafNode build() {
+            if (type == null) {
+                throw new IllegalStateException("node should have a type.");
+            }
+            if (key == null) {
+                key = keyBuilder.build();
+            }
+            return new LeafNode(this);
+        }
+    }
+}
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