A cluster of former prop warehouses and other commercial buildings — near the intersection of Melrose and Western avenues in an area known as Melrose Hill — is quietly yet quickly turning into a hive of art galleries, indie retailers and inventive nightlife. Existing and incoming tenants range from acclaimed sandwich shop Ggiata and L.A.-based womenswear brand CO to blue-chip megadealer David Zwirner.
The impresario behind it all is 32-year-old Zach Lasry, who along with his…