diff --git a/src/main/java/com/gamingmesh/jobs/api/JobsBlockOwnershipRegisterEvent.java b/src/main/java/com/gamingmesh/jobs/api/JobsBlockOwnershipRegisterEvent.java
new file mode 100644
index 00000000..d020ef66
--- /dev/null
+++ b/src/main/java/com/gamingmesh/jobs/api/JobsBlockOwnershipRegisterEvent.java
@@ -0,0 +1,45 @@
+package com.gamingmesh.jobs.api;
+
+import org.bukkit.block.Block;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+
+public class JobsBlockOwnershipRegisterEvent extends BaseEvent implements Cancellable{
+
+    private boolean cancelled = false;
+    private final Player player;
+    private final Block block;
+
+    public JobsBlockOwnershipRegisterEvent(Player player, Block block) {
+        this.player = player;
+        this.block = block;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+    /**
+     * Returns the player who try to register a block ownership.
+     *
+     * @return {@link Player}
+     */
+    public Player getPlayer() {
+        return player;
+    }
+
+    /**
+     * Returns the block which the player tried to register.
+     *
+     * @return {@link Block}
+     */
+    public Block getBlock() {
+        return block;
+    }
+}
diff --git a/src/main/java/com/gamingmesh/jobs/container/blockOwnerShip/BlockOwnerShip.java b/src/main/java/com/gamingmesh/jobs/container/blockOwnerShip/BlockOwnerShip.java
index 2717f1d5..1e7c166d 100644
--- a/src/main/java/com/gamingmesh/jobs/container/blockOwnerShip/BlockOwnerShip.java
+++ b/src/main/java/com/gamingmesh/jobs/container/blockOwnerShip/BlockOwnerShip.java
@@ -9,6 +9,7 @@ import java.util.Map;
 import java.util.Map.Entry;
 import java.util.UUID;
 
+import com.gamingmesh.jobs.api.JobsBlockOwnershipRegisterEvent;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.block.Block;
@@ -104,6 +105,12 @@ public class BlockOwnerShip {
 	    return ownershipFeedback.invalid;
 	}
 
+	JobsBlockOwnershipRegisterEvent jobsBlockOwnershipRegisterEvent = new JobsBlockOwnershipRegisterEvent(player, block);
+	Bukkit.getServer().getPluginManager().callEvent(jobsBlockOwnershipRegisterEvent);
+	if(jobsBlockOwnershipRegisterEvent.isCancelled()) {
+		return ownershipFeedback.invalid;
+	}
+
 	UUID ownerUUID = this.getOwnerByLocation(block.getLocation());
 
 	if (ownerUUID != null && ownerUUID.equals(player.getUniqueId())) {