Three Rivers Convention Center Expansion The Future of Events in Tri-Cities

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The Three Rivers Convention Center Expansion is Underway!

Big things are coming to Kennewick! The Three Rivers Convention Center is breaking ground on an exciting expansion that will elevate our ability to host premier events—bringing more space, modern amenities, and greater economic opportunity to the Tri-Cities region.

Proudly funded by the Kennewick Public Facilities District in partnership with A-1 Pearl, this investment reflects our community’s commitment to growth and innovation in Tri-Cities — at no cost to taxpayers.

Expanded Capacity.
Elevated Experience.

This multi-million dollar expansion will nearly double our existing space, creating new opportunities for conventions, meetings, banquets, trade shows, and public events.

  • Modern architectural design and open, flexible layouts
  • New meeting rooms and breakout spaces
  • Outdoor event-friendly areas and improved flow between venues
  • Enhanced parking and better access to the Toyota Center & Arena
  • A new kitchen to expand food and beverage capabilities
  • An extended lobby and pre-function space for improved flow and guest experience
TRCC Expansion Floorplan

What Are We Adding?

square foot exhibit hall
square feet of additional meeting space
room convention hotel connected to the new space

More Visitors.
More Revenue.
More Opportunity.

This expansion represents smart, sustainable growth—designed to attract high-value events that support our city’s hotels, restaurants, shops, and workers. It’s about building more than just square footage—it’s about building momentum.

BOOK NOW
Request for Proposal
new annual attendees, driven by large-scale sports tournaments, conventions, and trade shows
room nights added per year, supporting local hotels and travel partners
$
cost to taxpayers
$
million
estimated total annual spending boost to the region
$
million
increase in local earnings from jobs and event-related services
$
million
annual increase in sales tax and hotel/motel tax revenue

Site Demolition

Completed June 2025

Site Utilities

May 2025 to August 2025 & June 2026 to August 2026

Parking Lot C

September 2025

Parking Lot G

September 2025

Foundations and Underground

June to September 2025

Structure / Steel / Masonry

September to February 2026

Building Envelope

November to May 2026

Finishes

April to August 2026

Site Work

June to September 2026

Closeout / Certificate of Occupancy

August to October 2026

Now Booking Reservations for 2026!

We’re excited to start booking events in our newly expanded facility! Whether you’re planning a conference, gala, corporate meeting, or tradeshow, let’s make it unforgettable.