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HotelScore™ 9.2 / 10
2026–2027 Trade Shows & Conventions Near DoubleTree by Hilton Washington Dulles (Washington, D.C.)
Compression calendar and transfer times between DoubleTree by Hilton Washington Dulles and Walter E. Washington Convention Center (8–12 min official show shuttle / rideshare).
2026–2027 Trade Shows & Conventions in Washington, D.C.
Primary Convention Campus: Walter E. Washington Convention Center (8–12 min official show shuttle / rideshare).
DoubleTree by Hilton Washington Dulles — 8-Row Master Property & Group Contract Summary
Guest Room Inventory & Peak Group Allocation
449 Total Keys · Up to 189 Peak Group Block Rooms
Standard 1-per-40 cumulative complimentary room credit; request 1-per-35 comp ratio + 3 VIP suite upgrades at group rates during RFP.
Total Event Space & Breakout Room Ratio
40,000 Sq. Ft. Total · 40 Dedicated Meeting & Breakout Rooms
Optimal for 269–834 attendee conferences requiring simultaneous keynote and breakout tracks.
Largest Pillarless Ballroom Capacity
7,923 Sq. Ft. · 834 Theater · 587 Plated Banquet
Divisible soundproof airwalls; supports up to 40 standard 10×10 tabletop/exhibit booths (~200 gross sq. ft./booth) with 24-hour hold option.
Primary Convention Campus Connectivity
Walter E. Washington Convention Center (8–12 min official show shuttle / rideshare)
Primary headquarter and exhibitor room-block anchor serving Walter E. Washington Convention Center.
Airport Transfer & Motorcoach Staging
IAD (Washington Dulles International Airport) · 5.2 mi (14 mins off-peak / 26–36 mins peak)
Dedicated group porte-cochere / motorcoach staging lane available with 14-day advance manifest submission to hotel convention services.
Nightly Room Rate, Resort Fee & Tax Structure
$285/nt Group Block vs. $479/nt Peak Rack · 15.95% D.C. / National Harbor Hotel Occupancy Tax
Mandatory $32/nt resort/destination fee is 100% waived when contracted through the Conventions.com Housing Desk (saves $263/room/night all-in).
Banquet F&B '++' Multiplier & Catering Minimums
$28,000 Ballroom Waiver Min · 25% Service + 10% Tax (+37.5% Effective)
Contract F&B minimums on a cumulative multi-day program basis (breakfasts + breaks + reception combined) rather than per-room/per-day minimums.
Attrition, Cutoff & Cancellation Protection
80% Cumulative Pickup Allowance · 30-Day Cutoff · 100% Rebooking Resell Credit
Always insist on cumulative (not night-by-night) attrition calculation and a 'Resell Mitigation Clause' crediting any rooms resold by the hotel after cutoff.