Registering Properties Custom Post type with key "properties" and custom taxonomy with key "property-category"

gistfile1.txt

<?php
/**
 * Properties Post Type General Class
 * @author Aamer
 *
 */
class properties_cpt {

	function properties_cpt() {
		add_action( 'init', array( $this, 'create_property_cpt' ) );
	}

	function create_property_cpt() {
		$labels = array(
		    'name' => 'Properties',
		    'singular_name' => 'Property',
		    'add_new' => 'Add New',
		    'all_items' => 'All Properties',
		    'add_new_item' => 'Add New Property',
		    'edit_item' => 'Edit Property',
		    'new_item' => 'New Property',
		    'view_item' => 'View Property',
		    'search_items'=> 'Search Properties',
		    'not_found'=>  'No Property found',
		    'not_found_in_trash'=> 'No Properties found in trash',
		    'parent_item_colon'=> 'Parent Property:',
		    'menu_name'=>=> 'Properties'
		);
		$args = array(
			'labels'=> $labels,
			'public'=> true,
			'exclude_from_search'=> false,
			'publicly_queryable'=> true,
			'show_ui'=> true,
			'show_in_nav_menus'=> true,
			'show_in_menu'=> true,
			'show_in_admin_bar'=> true,
			'menu_position'=> 20,
			'menu_icon'=> 'dashicons-admin-multisite',
			'capability_type'=> 'post',
			'hierarchical'=> true,
			'supports'=> array('title','editor','thumbnail'),
			'has_archive'=> true,
			'query_var'=> true,
			'can_export'=> true
		);
		register_post_type( 'properties', $args );
	}
}

$properties_cpt = new properties_cpt();

gistfile2.txt

<?php
/**
 * Properties Category taxonomy Class
 * @author Aamer
 *
 */
class properties_cat {

	function properties_cat() {
		add_action( 'init', array( $this,'sperry_property_cat' ) );
	}

	function sperry_property_cat() {
		$cat_labels = array(
			'name'=> 'Categories',
			'singular_name'=> 'Category',
			'menu_name'=> 'Category',
			'all_items'=> 'All Items',
			'parent_item'=> 'Parent Item',
			'parent_item_colon'=> 'Parent Item:',
			'new_item_name'=> 'New Item Name',
			'add_new_item'=> 'Add New Item',
			'edit_item'=> 'Edit Item',
			'update_item'=> 'Update Item',
			'view_item'=> 'View Item',
			'separate_items_with_commas'=> 'Separate items with commas',
			'add_or_remove_items'=> 'Add or remove items',
			'choose_from_most_used'=> 'Choose from the most used',
			'popular_items'=> 'Popular Items',
			'search_items'=> 'Search Items',
			'not_found'=> 'Not Found',
			'items_list'=> 'Items list',
			'items_list_navigation'=> 'Items list navigation',
		);
		$cat_args = array(
			'labels'=> $cat_labels,
			'hierarchical'=> true,
			'public'=> true,
			'show_ui'=> true,
			'show_admin_column'=> true,
			'show_in_nav_menus'=> true,
			'show_tagcloud'=> false,
		);
		register_taxonomy( 'property-category', array( 'properties' ), $cat_args );
	}
}

$properties_cat = new properties_cat();