If a parent is a permanent green card holder, how long would it take to petition an adult, single daughter? Brad says it will take about seven years. Watch Brad Show Live Monday through Friday from 5:30-7:30 p.m. EST., on www.facebook.com/BradShowLive. Come for the advice, stay for the fun. Law Offices of Spar Bernstein CALL 1-800-529-5465 IF IN THE USA! CALL 1-212-227-8933 FROM ANYWHERE IN THE WORLD! 225 Broadway, 5th FL New York, New York 10007 www.lawsb.com Attorney Advertisement. Prior successful results do not guarantee a similar outcome.