How can I check if a property has a valid rental licence?

In the Comunitat Valenciana autonomous region you can look up valid rental licences via this link. You can search by municipality. In case you also want to verify other types of accommodation, you can check these link use.

In the autonomous region of Andalusia you can look up valid rental licences (or licences for other types of tourist accommodation via this link.

There is a similar system in the autonomous region of Murcia. You can find the link here.