diff --git a/openfpga/src/fabric/build_top_module.cpp b/openfpga/src/fabric/build_top_module.cpp
index 238004e4d..bce676019 100644
--- a/openfpga/src/fabric/build_top_module.cpp
+++ b/openfpga/src/fabric/build_top_module.cpp
@@ -79,7 +79,7 @@ int build_top_module(
       rr_clock_lookup, vpr_device_annotation, grids, layer, tile_annotation,
       rr_graph, device_rr_gsb, tile_direct, arch_direct, config_protocol,
       sram_model, frame_view, compact_routing_hierarchy, duplicate_grid_pin,
-      fabric_key, group_config_block);
+      fabric_key, group_config_block, verbose);
   } else {
     /* Build the tile instances under the top module */
     status = build_top_module_tile_child_instances(
diff --git a/openfpga/src/fabric/build_top_module_child_fine_grained_instance.cpp b/openfpga/src/fabric/build_top_module_child_fine_grained_instance.cpp
index 7640a969c..e3abe7c07 100644
--- a/openfpga/src/fabric/build_top_module_child_fine_grained_instance.cpp
+++ b/openfpga/src/fabric/build_top_module_child_fine_grained_instance.cpp
@@ -244,7 +244,7 @@ static vtr::Matrix<size_t> add_top_module_switch_block_instances(
 static vtr::Matrix<size_t> add_top_module_connection_block_instances(
   ModuleManager& module_manager, const ModuleId& top_module,
   const DeviceRRGSB& device_rr_gsb, const t_rr_type& cb_type,
-  const bool& compact_routing_hierarchy) {
+  const bool& compact_routing_hierarchy, const bool& verbose) {
   vtr::ScopedStartFinishTimer timer(
     "Add connection block instances to top module");
 
@@ -264,6 +264,7 @@ static vtr::Matrix<size_t> add_top_module_connection_block_instances(
       vtr::Point<size_t> cb_coordinate(rr_gsb.get_cb_x(cb_type),
                                        rr_gsb.get_cb_y(cb_type));
       if (false == rr_gsb.is_cb_exist(cb_type)) {
+        VTR_LOGV(verbose, "Skip connnection block at (%lu, %lu) as it does not exist\n", cb_coordinate.x(), cb_coordinate.y()); 
         continue;
       }
       /* If we use compact routing hierarchy, we should instanciate the unique
@@ -295,6 +296,7 @@ static vtr::Matrix<size_t> add_top_module_connection_block_instances(
         top_module, cb_module,
         cb_instance_ids[rr_gsb.get_cb_x(cb_type)][rr_gsb.get_cb_y(cb_type)],
         cb_instance_name);
+      VTR_LOGV(verbose, "Added connnection block '%s' (module '%s')\n", cb_instance_name.c_str(), cb_module_name.c_str()); 
     }
   }
 
@@ -445,7 +447,8 @@ int build_top_module_fine_grained_child_instances(
   const ConfigProtocol& config_protocol, const CircuitModelId& sram_model,
   const bool& frame_view, const bool& compact_routing_hierarchy,
   const bool& duplicate_grid_pin, const FabricKey& fabric_key,
-  const bool& group_config_block) {
+  const bool& group_config_block,
+  const bool& verbose) {
   int status = CMD_EXEC_SUCCESS;
   std::map<t_rr_type, vtr::Matrix<size_t>> cb_instance_ids;
 
@@ -460,10 +463,10 @@ int build_top_module_fine_grained_child_instances(
   /* Add all the CBX and CBYs across the fabric */
   cb_instance_ids[CHANX] = add_top_module_connection_block_instances(
     module_manager, top_module, device_rr_gsb, CHANX,
-    compact_routing_hierarchy);
+    compact_routing_hierarchy, verbose);
   cb_instance_ids[CHANY] = add_top_module_connection_block_instances(
     module_manager, top_module, device_rr_gsb, CHANY,
-    compact_routing_hierarchy);
+    compact_routing_hierarchy, verbose);
 
   /* Update I/O children list */
   add_top_module_io_children(module_manager, top_module, grids, layer,
diff --git a/openfpga/src/fabric/build_top_module_child_fine_grained_instance.h b/openfpga/src/fabric/build_top_module_child_fine_grained_instance.h
index f54e07c24..dd4f8e24d 100644
--- a/openfpga/src/fabric/build_top_module_child_fine_grained_instance.h
+++ b/openfpga/src/fabric/build_top_module_child_fine_grained_instance.h
@@ -44,7 +44,8 @@ int build_top_module_fine_grained_child_instances(
   const ConfigProtocol& config_protocol, const CircuitModelId& sram_model,
   const bool& frame_view, const bool& compact_routing_hierarchy,
   const bool& duplicate_grid_pin, const FabricKey& fabric_key,
-  const bool& group_config_block);
+  const bool& group_config_block,
+  const bool& verbose);
 
 } /* end namespace openfpga */