Introduction
If you're hiring a building contractor or tradesperson check online to find out if they have a valid contractor licence before they start the work. A licence is required for people to do residential building work, wiring, plumbing, draining, gasfitting, air conditioning or refrigeration work (except plug-in appliances).
To check a digital licence or certificate follow the instructions to Check a digital trade licence or credential in the Service NSW app.
What you need
You need any of the following to start your search:
- licensee name
- licence number
- licence type
- Australian Business Number (ABN)
- Australian Company Number (ACN)
- location (suburb, postcode or local government area).
How to check
- Select the 'Check online' button.
- Enter the information you have into the search bar.
- Select the search icon.
Contact
- If you cannot use the online tool or cannot find a contractor licence online contact NSW Fair Trading.
- For home building complaints and enquiries contact the Building Commission NSW .
Last updated: 15 August 2025