TRAMP STAMP GRANNY’S | 91 Photos & 187 Reviews - 1638 N Cahuenga Blvd, Los Angeles, California - Piano Bars - Yelp Tramp Stamp Granny's 4.3 (187 reviews) Claimed $$ Piano Bars, Cocktail Bars, Venues & Event Spaces Closed 8:00 PM - 2:00 AM (Next day) See hours Updated by business owner 3 months ago See all 95 photos Write a review Add photo. Photos at Tramp Stamp Granny’s - Central Hollywood - 1638 N Cahuenga Blvd Planning a trip to Los Angeles? Foursquare can help you find the best places to go to. Find great things to do See all 17 photos Tramp Stamp Granny’s Piano Bar and Beer Bar Central Hollywood, Los Angeles Save Share Tips 1 Photos 17 7.3/ 10 11 ratings 17 Photos Movie L.