When Tom is talking with Kevin at his desk, Kevin is wearing suspenders and has a red stapler reminiscent of Office Space (1999), starring Ron Livingston.
The blinking traffic lights when Tom gets out of his car are an indication that it's filmed in BC Canada. Traffic signals in Washington State do not operate like that.
At 21:35 a Canada Post truck drives through behind the scene confirming filming in Vancouver
Brian Regan, is a stand up comedian. He is known the be a "clean" comedian. Hearing him curse in this episode is unusual. Even in his interviews, he doesn't use cursing.