5 Aug 2026
Graton Resort & Casino Enters Two-Year Vertical Construction Phase in Billion-Dollar Expansion

Graton Resort & Casino in California has moved into a two-year stretch of major vertical construction that forms the core of its $1 billion multi-year expansion program, and this phase brings together several distinct elements that will reshape the property over the coming years. The project centers on a 240-room hotel tower complete with an adults-only pool deck along with expanded suites, while a large-format entertainment venue designed for concerts and shows will sit alongside further growth in the gaming floor where slot machines currently total just over 3,000 and carry a long-term target of up to 6,000 units.
Timeline and Recent Milestones
Construction activity aligns with a schedule that runs through 2026-2028, and the non-smoking casino wing already opened in May 2024 as an earlier component of the overall plan. Additional work includes relocation of the poker room, introduction of high-limit gaming areas, and upgrades to the parking garage, all of which continue alongside the vertical build that began gaining momentum in the summer of 2026. Observers note that the shift to vertical construction marks a visible change from earlier groundwork phases, because steel and concrete work now rise above the site while interior fit-outs proceed in parallel at other sections of the resort.
Key Components of the Expansion
The hotel tower stands as the centerpiece of the current vertical effort, and it will deliver 240 rooms that incorporate expanded suite options together with an adults-only pool deck positioned for guest use. This structure connects directly to the existing resort footprint, which allows seamless access to both gaming and entertainment offerings once the tower reaches completion. The large-format entertainment venue will occupy a separate but integrated space that supports concerts and shows at a scale larger than current facilities, and planners have designed it to host events that draw regional audiences beyond day-to-day casino visitors.
Gaming expansion proceeds in measured steps, because current slot counts sit just over 3,000 while the long-term target reaches up to 6,000 machines across the full property. The relocated poker room and new high-limit gaming areas form part of this growth, and they operate in conjunction with the non-smoking wing that debuted in May 2024. Parking garage upgrades round out the list of ongoing improvements, since increased visitor volume will require expanded capacity once the hotel tower and entertainment venue open.

Construction Phases Through 2028
Reports indicate that the two-year vertical construction window now underway will extend through 2028, and this period overlaps with finishing work on the poker room relocation plus high-limit gaming installations. The schedule keeps multiple work streams active at once, which means vertical tower erection runs parallel to garage modifications and interior gaming adjustments. Data from project updates shows steady progress on all fronts, because crews maintain pace across structural, mechanical, and finishing trades without reported interruptions as of the August 2026 status review.
Those who track resort development in California point out that the $1 billion investment spreads across several years, and the current vertical phase represents the most visible stage yet. The adults-only pool deck attached to the hotel tower adds a distinct amenity layer that complements the entertainment venue, while the slot machine target of up to 6,000 units reflects long-range planning that accounts for both current demand and projected growth. Each element ties into the others through shared infrastructure, so the parking garage upgrades support the combined capacity of new rooms, shows, and gaming positions.
Integration with Existing Operations
Existing operations continue without interruption while construction advances, and the non-smoking wing that opened in May 2024 already provides guests with an expanded choice of gaming environments. The poker room relocation will shift play to a new location within the property, yet it maintains continuity for regular players during the transition period that stretches into 2027. High-limit gaming areas follow a similar pattern, because they build on established offerings rather than replacing them outright, and this approach keeps revenue streams stable as new space comes online.
According to project documentation, the entertainment venue will feature flexible staging and seating that accommodates both concerts and theatrical productions, which broadens the resort's appeal beyond traditional gaming visitors. The 240-room hotel tower, once finished, will increase overnight capacity and thereby support multi-day stays that pair with the adults-only pool deck and event programming. Observers note that these additions align with broader patterns in California resort development where integrated amenities drive longer guest visits and higher per-person spending.
Conclusion
The vertical construction phase now active at Graton Resort & Casino consolidates multiple expansion elements into a coordinated two-year push that runs through 2028, and it builds directly on the non-smoking wing opened in May 2024. The 240-room hotel tower with adults-only pool deck, the large-format entertainment venue, the push toward 6,000 slots, the poker room move, high-limit gaming additions, and parking garage upgrades all advance under the same $1 billion umbrella. As of August 2026 the work remains on schedule, which positions the property to deliver its full set of new facilities within the stated timeline while current operations stay intact.