Cornerstone Sonoma

23570 Arnold Dr, Sonoma, CA
Capacity: 250 people

About Cornerstone Sonoma

Cornerstone Gardens and The Barn at Harrow Cellars are two venues that both offer exceptional beauty. These event spaces will inspire you to choose which atmosphere will best fit your event needs and reflect your vision for your wedding, special event or corporate retreat. Cornerstone offers a unique variety of spaces to create beautiful and memorable events. From a grand lawn expanse with a serene lily pond, to a rustic barn amongst the architectural gardens, and a grand Sperry Tent surrounded by an abundance of flowers, Cornerstone is the perfect place to celebrate any occasion. The Barn at Harrow Cellars is an elegant white-washed barn with a stunning view of the Carneros’ rolling hills. It can be transformed into the space of your dreams, with a perfect indoor-outdoor experience that serves as the hallmark of your wine country event. With olive tree-lined pathways surrounding a pond and lush green lawn, these grounds are the perfect place to say “I do". The Barn at Harrow Cellars offers an idyllic setting for any wine country experiences.

Event Pricing

Venue Rental - Corporate & Social (Starting at)
Attendees: 0-250 | $8,500 /event
Pricing for parties and meetings only
May - October Pricing (Weddings)
$10,000 - $25,000 /event
Pricing for weddings only
November - April Pricing (Weddings)
$10,000 - $25,000 /event
Pricing for weddings only
Key: Not Available


Last Updated: 1/25/2023

Event Spaces

Cornerstone Gardens
Cornerstone Gardens
The Barn at Harrow Cellars
The Barn at Harrow Cellars
Venue Types
  • ADA/ACA Accessible
  • Full Bar/Lounge
  • On-Site Catering Service
  • Outdoor Function Area
  • Waterview
  • Wireless Internet/Wi-Fi
  • Max Number of People for an Event: 250
  • Special Features: Bridal Suit Views of Vineyard