A person takes some reusable objects found in the dump

Question 5: One day I passed by a garbage dump and I got some of these stuff which was reusable. I took them and put them in my house. Could you kindly advise, Is it permissible for me to use them or is there any sin on me?

Answer: If the case is as you have mentioned and these things are not valuable, there is no wrong in taking them and benefitting from them… read more here.