LIC Business Center I as Shaw's Apartment
Reese searches Shaw's apartment and finds evidence of her being kidnapped.
“Mors Praematura” Filming Locations
Root and Shaw team up on a mysterious mission at the behest of the Machine while John and Harold help a man solve the his foster brother's murder.
Person of Interest episode “Mors Praematura” was filmed in New York in the United States of America.
Onyx Apartments as Jason Greenfield's Apartment (exterior)
Finch follows Timothy Sloan to an apartment building.
Spark's Deli as Spark's Deli
Carter waits in the car while Laskey shakes down a deli owner named Morozov for some money for HR.
East 7th Street & 3rd Avenue as Fusco meets Reese
Fusco finds the car abandoned by Root and tells Reese about it.
Source: Person of Interest — Wikia
Cafe Mocha as Cafe Mocha
Finch works with Timothy Sloan at a cafe while investigating Jason Greenfield.
Cooper Square as Crash by Statue
Root plants a package under a bench in front of a statue, and later the CIA transport crashes there.
Storage Plus as Store-It-4Ever
Timothy Sloan and Harold head to a storage unit where they find a hidden message exchange.
Source: NYC Permits List
630 Flushing Avenue as CIA Blacksite
Shaw escorts Root to a mobile blacksite where Root makes contact with Jason Greenfield.
Source: NYC Permits List
7th Avenue (between 27th & 28th) as Van in Street
The Vigilance van containing Timothy Sloan turns the corner.