900 3rd Avenue as Computer Warehouse
Finch and Reese break into a warehouse to steal some advanced computers to augment the Machine's PS3 cluster.
“SNAFU” Filming Locations
Root and Finch work to fix some bugs in the newly restarted Machine while Reese and Fusco start looking into the big backlog of Numbers.
Person of Interest episode “SNAFU” was filmed in New York in the United States of America.
Times Square (north of 45th) as Times Square
Reese stands in the middle of Times Square to test the rebuilt Machine's ability to track him.
Vineyard Theatre as Theater
Fusco investigates one of the inaccurate Numbers and finds it is an actor in a play.
Eldridge Street (between Canal & Division) as Chinatown Gunfight
Reese is heading back to the subway when his Number, Laurie Granger, starts to shoot at him.
East Broadway Mall as Chinatown Mall
Reese follows Laurie Granger into a tiny mall and chases her through the shops.
Union Square as Sicurezza Caffé
The Machine shows Finch a feed of Grace painting at a cafe in Italy.
Source: NYC Permits List
Cleft Ridge Arch (Prospect Park) as Picnic in Park
Root and Finch join Reese and Fusco for a picnic in the park after she gets her new identity.