The line Monday was far shorter, however.
The store resembles a Starbucks with a green awning and mermaid logo, but with the word "Dumb" attached above the Starbucks sign.
Starbucks says it's trying to contact the people responsible for the Hillhurst Avenue store, which was announced in a Feb. 7 tweet under the handle dumbstarbucks.
The Seattle-based coffee chain says its legal team is working on identifying the store's owner.
Spokeswoman Laurel Harper says the store is not affiliated with Starbucks and, despite the humor, the store cannot use the Starbucks name.
AP reporter Candice Choi in New York City contributed to this story.