There is a limited valet parking facility at Riggs Washington DC. A Flat rate of $25 (plus tax 18%) for up to 6 hours parking, $55 (plus tax 18%) for overnight parking and $70 (plus tax 18%) for oversized vehicles, subject to availability on the day. Valet parking must be booked at valet stand. Vehicles may be taken in and out at any time of the day or night. Please allow time for your vehicle to be retrieved