Help! How can i help a cat stuck on the roof of an abondonned house

A cat keep peeking and meowing from the roof of an abondonned house near us, the owners of the house are abroad, this is the third day but we only noticed it yesterday, we called someone who knows the owners of the house next to it to try and help the cat get out, last we heard is they were out the whole day but they will see what they can do once they get home, fastforward to today and i can still see the cat peeking and meowing asking for help, pls who can i call that will actually come and help get the cat out?