Found Kitty, Can't Care For Him

Found kitty in Crown Heights (tell me where for points) has collars, no tag (tell me what color for points) smol kitty friendly kitty not feral curled up in a ball next to my feet purring instead of running $200 for checkup according to vet to see if he's healthy he also needs to be nudered I can house him temporarily but I have my own two cats and need to make sure he can't get them sick I can't take that on financially right now he's so sweet can anyone help find this kitty's owner or rehome this kitty if no one's looking for him? he's dirty enough to have been on the street a couple months