By default each listing shows an offer badge (e.g. For Sale). If you want to show a different badge text and color when a listing is marked unavailable, you can use the following code:
Read here to find out about how to add code snippets to your site.
Example

Other articles in Snippets
- Snippet: Add Custom Listing Detail with Pre-defined Options
 - Snippet: Add Custom Listing Details
 - Snippet: Add custom listing offer
 - Snippet: Add custom text (from) before price
 - Snippet: Change Advanced Search Form Labels
 - Snippet: Change Archive Title
 - Snippet: Change Color of Sales Badge
 - Snippet: Change Default Search Form Labels
 - Snippet: Change Details of the Listing Summary
 - Snippet: Change Labels of Listing Post Type
 - Snippet: Change Placeholder Text of the Keyword Search Field
 - Snippet: Custom Advanced Search Fields
 - Snippet: Custom Listing Category Taxonomy Slug
 - Snippet: Custom Listing Feature Taxonomy Slug
 - Snippet: Custom Listing Location Taxonomy Slug
 - Snippet: Custom Listing Post Type Slug
 - Snippet: Custom Listing Type Taxonomy Slug
 - Snippet: Custom number of baths and beds in Listing Details
 - Snippet: Custom number of features in search form
 - Snippet: Disable Visual Editor on Listings Page
 - Snippet: Display advanced search fields by default
 - Snippet: Make Listing Type Taxonomy hierarchical
 - Snippet: Modify Measurements
 - Snippet: Only Display Keyword Search in Property Search Form
 - Snippet: Re-order fields in search form
 - Snippet: Remove ‘Offer’ from Property Search Form
 - Snippet: Remove Features from Search Form
 - Snippet: Search Exact Value of Bathrooms
 - Snippet: Search Exact Value of Bedrooms
 - Snippet: Set specific offer as default in listing price metabox
 - Snippet: Show Different Offer Badge when Listing Item is not Available
 - Using Code Snippets