Industrial area where Mr. Yin leads the team and captures Juliet in episode #416 "Mr. Yin Presents".
Warehouse where Mr. Yin draws Mary and later the team in episode #416 "Mr. Yin Presents". (I'm fairly certain this is here)
Woody answer's Shawn call in his trailer which is parked in a sketchy industrial area and not the beach in episode #709 "Juliet Wears the Pantsuit".
Barry and Eddie track down their suspect to a brewery and end up chasing him in episode #106 "The Flash Is Born".
Abandoned factory that Oliver uses as his hideout and eventually builds his nightclub inside. First seen in episode #101, the pilot. Oliver and Maseo come here to stop China White in episode #314 "The Return".
Oliver and Tommy are kidnapped and interrogated by masked thugs in an abandoned warehouse in episode #101, the pilot.
Helena attacks a Triad meeting in a dark alley in episode #108 "Vendetta".
Oliver enters an abandoned subway station and gets on the train The Savior is performing his broadcasts from in episode #118 "Salvation".
Ray Palmer goes to investigate Jake Simmons at a warehouse in episode #319 "Broken Arrow".
Oliver attempts to escape and is chased down by Maseo Yamashiro in episode #301 "The Calm".
Oliver goes to Count Vertigo's warehouse and attempt to take him down in episode #301 "The Calm".
Oliver and Lance chase a criminal through some tunnels in episode #301 "The Calm".
Oliver chases the truck driver through a warehouse and catches him in episode #301 "The Calm".
Helena attacks a group of mobsters playing cards in a warehouse in episode #108 "Vendetta".
Oliver, Roy, and Diggle go to warehouse only to find the criminals they were searching for were already taken out by another vigilante in episode #306 "Guilty".
In a flashback, Oliver saves Carrie Cutter's life, and later he confronts her in episode #307 "Draw Back Your Bow".
Warehouse where the shape-shifters shows up at the start of episode #219 "The Man from the Other Side".
Warehouse where Lincoln Lee and Robert Danzig are chasing a shapeshifter at the start of episode #401 "Neither Here Nor There".
Location of The Machine after it has been moved starting in episode #321 "The Last Sam Weiss".
SG-1 investigates a mass murder at a secret N.I.D. facility in Los Angeles in episode #719 "Resurrection".
Lydecker calls Logan from his car in this street in episode #203 "Proof of Purchase".
Backstrom's team questions a band collective about a murdered band member in episode #109 "The Inescapable Truth".
John and Frank travel here to investigate Vietnamese funeral parlors in episode #102 "Blood Lines".
John chases a suspect to this street in episode #107 "Mind Games" who then escapes mysteriously.
Police break open the door to this warehouse which then explodes in episode #111 "John D.O.A.".
The Devil shows Sam a fight club where a whole group of souls are in episode #201 "A New Hope".