The site also indirectly supports over 50,000 other jobs, Amazon said.
The second headquarters will reportedly be evenly divided between Long Island City in NY and Crystal City in Arlington County.
Last week, the WSJ floated the two-city solution was under consideration, after Amazon had whittled the original 238 sites to 20 earlier this year. It's unclear how the company's apparent decision to split the new headquarters between two cities will impact its planned investments.
The Washington Post, which also confirmed the news Monday evening, noted that while "238 locations initially submitted proposals to Amazon, the Washington region was considered a favorite from the outset by many experts due to Bezos's personal connections in the region, particularly the $23 million mansion he purchased in the city's Kalorama neighborhood previous year and his ownership of The Washington Post".
Amazon did not respond to a request for comment from Deadline tonight, and the Journal said the company declined to comment for its story.
Days before the potential Amazon news emerged, the city announced a $180 million plan to address packed schools, street design and a sewage system that groans in heavy rain.
Los Angeles was the only West Coast city that made the final 20 and many speculated that Amazon would prefer an East Coast locale as the rest of the finalist cities showed, from Atlanta, and Austin to Miami, Philadelphia and Raleigh.
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Amazon reportedly won't be coming to Pittsburgh. Other cities may get other responsibilities, the newspaper added.
The split also raised questions about how equal the two new locations will be with Amazon's current Seattle base, which employs more than 45,000 people.
While soliciting bids for "HQ2", Amazon vowed to invest $5 billion back into the community of whichever location is selected and hire 50,000 well-paid new employees in the region.
But Long Island City has also been straining to handle its growth.
Critics of the process say already wealthy corporations often use corporate subsidies to lower costs of projects that they would have pursued anyway. The U.S. Patent and Trademark Office began moving more than 7,000 jobs out of Crystal City in 2003.