Where to Stay When Visiting CoStar Group (Washington, DC)

CoStar Group's headquarters is in Washington, DC. Three airports serve the DC area — and Metro reaches some campuses. Which you pick decides the trip.

CoStar Group is a commercial real-estate information and analytics company (also Apartments.com and Homes.com), headquartered at 1331 L St NW, Washington, DC 20005. That's downtown Washington — the Pennsylvania Avenue and K Street corridors between the White House and Capitol, where Danaher, Fannie Mae, and CoStar keep offices amid the monuments, all on Metro.

“CoStar is on L Street downtown. Stay in the DC core nearby, fly Reagan National fifteen minutes out, and walk or Metro to the meeting.”— Rachel Julian, Founder & Editor-in-Chief

Which airport — and how far?

Reagan National (DCA) is the closest — about 15 minutes and a straight Metro ride into downtown — and the default for domestic trips. Baltimore (BWI) ~45 minutes north often has the cheapest fares (a Southwest hub), and Dulles (IAD) ~40 west carries the long-haul and international routes. DCA for most downtown trips.

Where should you stay near CoStar Group?

Stay in downtown DC near CoStar Group — the core is walkable and Metro-connected, so most downtown hotels put you within a short walk or ride of the office. Reagan National is 15 minutes out by Metro; you won't need a car in the city.

The shortlist: verified hotels near CoStar Group

Real hotels in the downtown Washington, DC area, matched to the visit. Confirm exact distances before booking.

1. The Willard InterContinental Washington DCPennsylvania Ave

   A historic landmark on Pennsylvania Avenue by the White House — the room for hosting a client or an executive visit downtown.

   Best for: exec visits & hosting
2. JW Marriott Washington DCPennsylvania Ave

   Full-service on Pennsylvania Avenue near the White House and the office corridors, with a business center and meeting space — the reliable onsite pick.

   Best for: the standard onsite & meetings
3. The St. Regis Washington DCNear the White House

   Five-star and discreet a block from the White House — an elegant option for a high-stakes client evening.

   Best for: a high-stakes host
4. Hilton Garden Inn Washington DC DowntownDowntown

   Reliable and central in the downtown core, walkable to the offices and Metro — the value pick.

   Best for: a cost-controlled stay

Where can you take a client to dinner near CoStar Group?

Downtown DC's dining is deep — from the Penn Quarter restaurants to the 14th Street corridor a short ride north — most walkable or a quick cab from a downtown hotel.

What should you check before booking?

The area gets you close; the room still has to protect the work. Run the pick through the Sales-Ready basics — a real work surface, a quiet room, a lobby you'd host in — using the hotel details that decide the trip and the Sales-Ready Index.

The standard

CoStar Group is a DC-area HQ where the airport and the Metro both matter. Book near the office in the downtown Washington, DC area, fly the closest of the three airports, and lean on Metro where it reaches — then the sprawl stays off your morning.

Run a hotel near here? Travelers are being routed to this page. See how the Sales-Ready standard works — and how a property earns the mark that lands it on the shortlist.