Union Theological Seminary (Columbia University) as Grant University (quad)
Reese heads to the university to investigate Harper Rose.
Source: Person of Interest — Wikia
“Blunt” Filming Locations
A college student who isn't what she seems gets involved in a conflict between the Brotherhood and the cartels.
Person of Interest episode “Blunt” was filmed in New York in the United States of America.
Kings County Distillery / Building 121 (Brooklyn Navy Yard) as Dispensery
Reese follows Harper Rose to the medical marijuana dispensary where she works.
Source: Person of Interest — Wikia
Building 25 (Brooklyn Navy Yard) as Alley near Dispensary
Reese catches up with Harper Rose and offers his help, but she knocks him down and runs away.
5th Avenue (between 22nd & 23rd) as Following Root
Finch attempt to track Root down the street but she evades him.
Melrose Ballroom as Club Boost
Reese tracks Harper down to a nightclub where she is partying under another alias.
Source: NYC Permits List
Chelsea Square Restaurant as Chelsea Square Restaurant
Fusco brings Harper Rose to the restaurant to talk to Reese.
24-01 44th Road as Caleb's Office
Finch follows Root to an office where he finds her talking to Caleb Phipps, a Number from before.
Source: Person of Interest — Wikia
Building 12 (Broadway Stages) as Brotherhood Warehouse
Dominic interrogates Harper's boyfriend while other members of the Brotherhood work to launder the drug money.
Source: NYC Permits List
The Rail Line Diner as The Rail Line Diner
Reese meets with Dominic while Fusco covers him from a nearby rooftop.
Source: Person of Interest — Wikia
Silvercup Studios as Brotherhood Warehouse (rooftop)
Reese opens the skylight on the Brotherhood warehouse and repels inside.
General Worth Square / Broadway & 5th Avenue as Saying Goodbye to Harper
Finch and Reese say goodbye to Harper.