. >> reporter: --jill poesner's volunteers open up a van full of pet medicine and offer free vaccinationsnd other basic veterinary care for alameda and contra costa county's homeless dog and cat owners. >> oh, no. no. >> reporter: 15 years ago she thought differently. >> my first reaction was, how can you have an animal? you can't take care of yourself. >> i'll check and see if that's okay. >> reporter: then she educated herself. >> animals are crucial companions to people no matter what kind of money you have. definitely people without homes don't necessarily make bad pet owners. >> needed that. >> they might make the best pet owners. >> reporter: like jordan and scarlet. >> i can actually have a companion with me and it's not going to screw me over or leave me or anything, you know. >> looks like irritation. >> reporter: nancy brought simba. >> he was shelter-bound so we intercepted him. we were only supposed to be fostering but i think he is staying. >> reporter: after 10 years of doing this work on her own, in 2011 jill posener set up the nonprofit called paw fund. >> number 11. >> re

. >> reporter: -- jill poesner's volunteers open up a van full of pet medicine and offer free vaccinationser basic veterinary care for alameda and contra costa county's homeless dog and cat owners. >> oh, no. no. >> reporter: 15 years ago she thought differently. >> my first reaction was, how can you have an animal? you can't take care of yourself. >> i'll check and see if that's okay. >> reporter: then she educated herself. >> animals are crucial companions to people no matter what kind of money you have. definitely people without homes don't necessarily make bad pet owners. >> needed that. >> they might make the best pet owners. >> reporter: like jordan and scarlet. >> i can actually have a companion with me and it's not going to screw me over or leave me or anything, you know. >> looks like irritation. >> reporter: nancy brought cimba. >> he was shelter-bound so we intercepted him. we were only supposed to be fostering but i think he is staying. >> reporter: after 10 years of doing this work on her own, in 2011 jill posener set up the nonprofit called paw fund. >> number 11. >> reporter