Anywhere does altering for jeans. Go to the store at metro, they seem to do a good job. If u want original hem, prices range from $8 - $12. Original is usually cheaper.
Why does this question get asked so much? Its not a hard for the tailors to do an altering job, especially for jeans. I would understand if you wanted a reliable tailor if you were going to tailor a suit or dress shirt. Use the search button next time.