Mt. Olivet Cemetery as Mt. Olivet Cemetery
Finch and Shaw watch Carter's funeral where Paul and Taylor are mourning.
Source: Person of Interest — Wikia
“The Devil's Share” Filming Locations
Reese sets out on a mission of revenge against Simmons and the rest of the team must stop him from getting himself killed in the process.
Person of Interest episode “The Devil's Share” was filmed in New York, Yonkers, & White Plains in the United States of America.
Bantry Bay Publick House as Bar
Shaw beats up some goons in a bar looking for Simmons.
Source: NYC Permits List
Shonnard Terrace & Warburton Avenue as Crashing into Forgers
Reese crashes a truck into a car of criminals and he interrogates them about the documents they made for Simmons.
Coffey Street Studios as Warehouse
Finch and Fusco find Shaw interrogating the forger Yorke after Reese was done with him.
Source: NYC Permits List
Super 8 Jamaica North Conduit as Motel
Alonso Quinn is held in a motel by the U.S. Marshals when multiple groups assault the building.
156-15 146th Street as Building across from Motel
Root has Shaw pull over and after they exit the car a U.S. Marshall comes around the corner and then Root leads the team up to the Marshall's position across from the motel where Quinn is being held.
Source: NYC Permits List
Ross Aviation (HPN) as Hanger
Fusco tracks Simmons down to the airport where he is preparing to leave on a private plane.
Metropolitan Hospital Center as New York Unified Hospital
Elias visits Simmons in the hospital and has Scarface kill him.