The holiday rentals site said it had learned that "armed militias and known hate groups" want to disrupt Joe Biden's presidential election. Bookings are canceled and blocked on the site across Washington D.C.
"We are aware of reports emerging yesterday afternoon regarding armed militias and known hate groups that are attempting to travel and disrupt the Inauguration," Airbnb stated in a corporate blog.
Security around the Washington, D.C. has been ramped up. Around 10,000 National Guard troops will help secure the area ahead of the inauguration.
Pro-Trump protesters storm US Capitol: In pictures
Supporters of President Donald Trump breached the US Capitol as lawmakers gathered to count electoral votes. Here's a look at some of the chaotic scenes in Washington as rioters clashed with security forces.
Image: Leah Millis/REUTERS
Protesters and police clash
Supporters of US President Donald Trump clash with police officers in front of the Capitol Building in Washington DC on January 6. Congress was holding a joint session to ratify President-elect Joe Biden's Electoral College win over President Trump.
Image: Stephanie Keith/REUTERS
Angry protesters march towards the Capitol
Aggressive pro-Trump supporters rallied outside the US Capitol's Rotunda. Police tried to hold them back, but they breached security and forced their way into the building.
Image: Roberto Schmidt/AFP/Getty Images
Forceful entry
An angry pro-Trump mob breaks into the US Capitol building on January 6, 2021, while Congress holds a joint session to ratify President-elect Joe Biden's Electoral College win over President Trump.
Image: Win McNamee/Getty Images
Guns drawn
With guns drawn, US Capitol police officers watch as protesters try to break into the House Chamber, the inner-most room where legislators had convened to ratify the Electoral College vote.
Image: J. Scott Applewhite/AP Photo/picture alliance
Standoff outside the Senate
Security officials try to hold off the rioters in the hallway outside the Senate chamber as lawmakers on the other side of the door are rushed to safety.
Image: Manuel Balce Ceneta/AP Photo/picture alliance
Taking over the Senate
After breaking through Capitol security, a protester rushes to the middle of the Senate chamber and screams "Freedom."
Image: Win McNamee/Getty Images
Invading the Senate chamber
A rioter manages to break through security, and jumps from the public gallery to the floor of the Senate chamber.
Image: Win McNamee/Getty Images
Taking shelter
People frantically searched for shelter in the House gallery, as the protesters tried to break into the House chamber. According to a White House reporter on the House floor, people were given gas masks that were under the seats.
Image: Andrew Harnik/AP Photo/picture alliance
Protesters move in
Pro-Trump supporters took over the offices vacated by lawmakers who had been rushed to safety.
Image: Saul Loeb/AFP/Getty Images
No holding back
Without police or security officials to hold them back, protesters walzed through the Rotunda and lawmaker's offices. This one carried away the lectern of Speaker of the House Nancy Pelosi.
Image: Win McNamee/Getty Images
Tear gas against protesters
Security forces use tear gas on rioters rallying outside the US Capitol Building.
Image: Andrew Caballero-Reynolds/AFP/Getty Images
Chaos in the Capitol
An explosion caused by a police munition goes off while pro-Trump supporters rally in front of the US Capitol building. Washington police and the national guard have been deployed to disperse the protesters.
Image: Leah Millis/REUTERS
Dispersing protesters
Members of the National Guard and Washington DC police have been deployed to the Capitol to disperse protesters. A city-wide curfew went into effect from 6:00 pm to 6:00 am.
Image: Spencer Platt/Getty Images
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What action is Airbnb taking?
Guests whose reservations were canceled will be refunded in full. Airbnb will also reimburse hosts the money they would have earned from those canceled reservations.
Reservations at HotelTonight, a service owned by Airbnb, will also be canceled.
Airbnb declined to say how many reservations were canceled. But over Presidents' Day weekend, the site lists more than 300 rentals in the Washington area, news agency AP reported.
The San Francisco-based company has been working with law enforcement and media to identify and ban people involved in the criminal activity at the Capitol building.
"We are continuing our work to ensure hate group members are not part of the Airbnb community," the company said.
Are other hotels and rental sites blocking reservations?
Major hotel chains Hilton Worldwide Holdings Inc and Marriott International said they planned to uphold existing reservations.
"We are monitoring the situation very closely and have operational and security plans in place," Marriott said.
Hyatt did not immediately respond to a request for comment.