Hi Alex, thanks for your help.
I have done some checking of the API account and limits that the API might have.
The billing was activated but I had to click a button to upgrade the account so that I could increase the quota limit. The limit seems to be correct now and I see “Google Maps API Loaded :)” in the console.
The map on the listing page still don’t seem to load.
The map loads fine on the create a listing page.