Following his father's death in 2003, Jordan, his half-sister, Ariel, and longtime Zevon collaborator Jorge Calderón accepted Warren's two posthumous Grammy Awards for Best Rock Vocal Performance and Best Contemporary Folk Album for The Wind.
In 2005, he appeared on another tribute album called Hurry Home Early: the Songs of Warren Zevon, issued by Wampus Multimedia, where he sang another unreleased song called "Warm Rain" with Simone Stevens.
In 2005, Zevon released his self-titled debut EP through his production company Mixed Headache.
In 2008, he won the Overall Grand Prize of the prestigious 14th Annual USA Songwriting Competition with his song "Home".
He has stated that it will feature the tracks "May or May Not", "Not Like Me", "Merry Go Wrong", "Wrecking Ball", "The Epic Fail" and "Stick With Me".