Caesars Republic Sonoma County
A new $300 million resort now under construction in Geyserville, opening Summer 2027.
Caesars Republic Sonoma County is a full redevelopment of the River Rock Casino site by the Dry Creek Rancheria Band of Pomo Indians in partnership with Caesars Entertainment. Construction began in August 2025 and is progressing toward a Summer 2027 opening. The project includes a new casino floor, 100-room hotel, spa, pool, fitness center, and multiple new dining concepts overlooking Alexander Valley.
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Project Status
Caesars Republic Sonoma County is under active construction following its August 2, 2025 groundbreaking. The project is a full redevelopment of the former River Rock Casino into a modern $300 million resort featuring a new casino floor, hotel, spa, pool, and multiple dining venues. The opening is scheduled for Summer 2027.
Latest Update
June 2026: Construction continues with no reported delays. Structural work on the new casino floor and hotel tower is progressing, and interior build-out has begun on several dining and guest-service areas. Financing remains fully secured through Citizens and GLPI.
Construction Timeline
2023
Sonoma County approves a new agreement with Dry Creek Rancheria to redevelop the River Rock Casino site.
2024
Pre-construction planning and site preparation advance as the tribe finalizes the redevelopment plan.
2025
August 2: Official groundbreaking ceremony with Dry Creek Rancheria and Caesars Entertainment. Full-site redevelopment begins.
2026
Active construction continues with structural, mechanical, and interior work across the resort footprint. No delays reported.
2027
Summer: Targeted grand opening of Caesars Republic Sonoma County.
Project Phases
Phase 1 - Full Casino & Resort Build (2025-2027)
- New casino floor with 1,000+ slots and 28 table games
- 100-room hotel overlooking Alexander Valley
- Luxury spa, pool, and fitness center
- Multiple new dining concepts
- Wine bar with outdoor deck
Future Phases
No additional phases have been announced. The initial build is designed as a complete resort.
Features
Casino
- 1,000+ slot machines
- 28 table games
- Modern gaming floor with updated layout and amenities
Hotel
- 100 guest rooms
- Valley-view rooms overlooking Alexander Valley and the Russian River
Dining
- Steakhouse
- Upscale cafe
- Asian restaurant
- Quick-service venue
- Sports bar
- Wine bar with outdoor deck
Amenities
- Luxury spa
- Outdoor pool
- Fitness center
Location
Caesars Republic Sonoma County is located in Geyserville, California, in the heart of Sonoma County wine country.
Address: 3250 Highway 128, Geyserville, CA 95441
River Rock Casino
Overview
River Rock Casino operates inside a 62,000 sq-ft tent structure located off Highway 128 east of Geyserville in the Alexander Valley and features 900+ slot machines, 11 tables, a high-limit room and a restaurant.
The casino was the first in Sonoma County when it opened on Sept. 15, 2002 with 60 slot machines inside two tent structures.
On August 2, 2025 the Dry Creek Rancheria and Caesars Entertainment broke ground on a new joint project to transform River Rock Casino into the Caesars Republic Sonoma County. The grand opening for the new casino will be in the summer of 2027.
Features of River Rock Casino Today
Gaming
62,000 square-foot casino floor
Smoke free gaming areas
Guests must be 21 years or older to enter casino
900+ slot machines - video poker and progressives - from pennies to high-limit $25 & $100 slots
11 tables featuring Pai Gow Poker, Mini Baccarat and Blackjack
High Limit Room - 60 slot machines with up to $100 denominations, 2 blackjack tables, and full-service bar.
Casino Express Bus Service
(415) 379-3779
Wednesdays - Sundays: Bay Area Buses Only
Fridays - Sundays: Sonoma County Buses Only
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Dining
Quail Run
Casual dining with views of Alexander Valley countryside from the restaurant patio. Hours are Sunday- Thursday 9am - 10pm and Friday - Saturday 9am - 11pm
Center Stage Bar & Grill
Located in the middle of the casino. Open Sun-Thur 7am to midnight, Fri-Sat 7am to 1am
Fortune Cafe
Asian cusine. Open on weekends.
OHOSA Tobacco Shop
OHOSA which means "Smoke"
Fine quality cigarettes and other tobacco products. Open 10am - 6pm daily.
Parking
Parking structures provides 1,179 vehicle spaces.
River Rock Casino Express
Bus service to River Rock Casino is available Friday, Saturday and Sunday. Contact Sanmo Travel at (415) 379-3779.
Hours & Location
Hours: Monday - Thursday 10am - 2am and Friday - Sunday 10am - 4am
River Rock Casino
3250 Highway 128 East
Geyserville, California 95441
(877) 883-7777
(707) 857-2777
Website
Tribe
Dry Creek Rancheria Band of Pomo Indians
The Dry Creek Rancheria Band of Pomo Indians owns the Caesars Republic Sonoma County resort. The tribe previously operated River Rock Casino on the same site and is now undertaking a full redevelopment to create a modern, competitive destination resort in partnership with Caesars Entertainment.
Enterprise: River Rock Entertainment Authority
Location: Geyserville, California
Official Website: drycreekrancheria-nsn.gov
Photos - River Rock Casino Today
These photos show today's River Rock Casino. The casino is housed within a tent structure and surrounded by three parking garages.
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Latest News
Caesars Republic Sonoma County - Construction Update (June 2026) June 8, 2026 - Dry Creek Rancheria is transforming River Rock Casino into Caesars Republic Sonoma County, a new $300M resort now under construction ... Read more 
River Rock Casino → Caesars Republic Sonoma County Transformation December 29, 2025 - Construction of Caesars Republic Sonoma County has been underway in Geyserville, California since August. The new casino resort will open in ... Read more 
New Casino Coming to Sonoma County, CA September 3, 2025 - A new casino resort, named Caesars Republic Sonoma County, will open in Geyserville in the summer of 2027. The Dry Creek Rancheria Band has partnered with Caesars ... Read more Headlines continued...➤Play Hot Drop Jackpots!
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