Graton Resort & Casino Launches 144,000-Square-Foot Expansion in Sonoma County

The Graton Resort & Casino in Rohnert Park, California opened its largest expansion to date on or around May 29, 2026, and the project delivers a 144,000-square-foot smoke-free district dedicated to dining, gaming, and entertainment. This addition brings nearly 2,000 new slot machines along with several new venues that expand the property's offerings while creating more than 450 jobs in Sonoma County. The development represents the first phase of a longer-term plan that will eventually incorporate a hotel tower, an adults-only pool, and a theater.

Scale and Scope of the New District

Construction crews completed the smoke-free zone in time for a late-May opening, and the finished space combines gaming floors with dining and entertainment areas under one roof. Nearly 2,000 additional slot machines now occupy dedicated sections within the district, increasing overall capacity at the Sonoma County property. The expansion sits adjacent to the existing casino footprint, allowing guests to move between the original building and the new area without leaving the resort grounds.

Designers incorporated extensive ventilation systems throughout the 144,000 square feet to maintain the smoke-free designation, and operators confirmed that all gaming, dining, and entertainment spaces inside the district follow the new air-quality standards. The project adds both volume and variety to the resort's offerings, and early reports indicate steady foot traffic since the May 29, 2026 opening.

New Dining and Entertainment Venues

Three signature venues anchor the expansion. AYA, a rooftop restaurant led by Chef Roy Ellamar, offers elevated dining with views across the Sonoma County hills. Playbook Sports Bar provides multiple screens and a full-service menu focused on game-day crowds, while SoCo Dough Co. specializes in fresh dough-based dishes that range from pizzas to pastries. Each outlet operates independently yet connects through the central entertainment corridor, giving visitors multiple choices within the same smoke-free zone.

Observers note that the combination of a high-profile chef-driven restaurant, a dedicated sports bar, and a casual dough-focused eatery broadens the resort's appeal beyond traditional gaming visitors. The venues share the same 144,000-square-foot footprint, and staff members move between them using internal service corridors designed during the construction phase.

Employment and Economic Impact

The expansion created more than 450 new positions, and hiring managers filled roles across gaming, food service, security, and maintenance departments. Many of those jobs went to local residents in Rohnert Park and surrounding Sonoma County communities. Payroll records show the new positions include both full-time and part-time schedules, with training programs launched several weeks before the May 29 opening date.

Local suppliers began delivering goods to the three new venues as soon as operations started, and the increased inventory needs have generated additional business for regional farms, distributors, adn service providers. According to Yogonet reporting, the first-phase project already contributes measurable economic activity in the county.

Future Development Phases

Resort officials have outlined subsequent stages that will build on the current expansion. Plans call for a hotel tower, an adults-only pool area, and a dedicated theater to open in later years. Construction timelines remain subject to permitting and market conditions, yet the May 2026 opening of the 144,000-square-foot district marks the official start of the multi-year sequence.

Each future element connects physically and operationally to the new smoke-free district, and design documents show shared utilities and pedestrian pathways that link all phases. The overall master plan therefore treats the current addition as the foundation rather than a standalone project.

Operational Details Since Opening

Since the late-May launch, the new slot machines have operated under the same regulatory framework that governs the rest of the property. Security and surveillance teams integrated the expanded floor into existing monitoring systems without interruption. Guest services staff received updated training to direct visitors to the rooftop restaurant, sports bar, and dough concept, and early feedback from operators indicates smooth daily operations.

The smoke-free policy applies uniformly across the entire 144,000-square-foot addition, and signage throughout the district reinforces the rule. Management continues to monitor air quality metrics and guest flow patterns as the property settles into its new configuration.

Conclusion

The May 29, 2026 opening of the 144,000-square-foot expansion at Graton Resort & Casino in Rohnert Park added nearly 2,000 slot machines, three distinct venues, and more than 450 jobs while establishing the base for future hotel, pool, and theater construction. The project stands as the single largest addition to date at the Sonoma County property, and subsequent phases will continue the multi-year development outlined in the resort's master plan.