Kosta Browne Winery and Tasting Room
Summary
SCH Number
2026090570
Lead Agency
Sonoma County
Document Title
Kosta Browne Winery and Tasting Room
Document Type
MND - Mitigated Negative Declaration
Received
Present Land Use
Diverse Agriculture (DA), 60 aae density (B6 60), Accessory Dwelling Unit Exclusion (Z) with combining districts for Floodplain (F2), Oak Woodland (OAK), Riparian Corridor 50 and 100 ft setback (RCS0/25 RC100/50) and Valley Oak Habitat (VOH)
Document Description
Duckhorn Wine Company propose a new Use Permit for Kosta Browne Winery including production of 90,000 cases annually with tasting and vineyard tours for 50 guests at one time with a maximum of 150 per day on a 155.8 acre parcel. A new 73,500 sq ft winery production facility, a new 3,600 sq ft tasting building and the conversion of a 3,900 sq ft existing barn to an additional tasting building is proposed. Tastings and Events would occur within the two tasting buildings, and their adjoining outdoor patios and courtyard. Tasting room hours of operation would be 7 days per week between 10:00 am and 5:00 pm, Monday through Sunday. The 24 agricultural events are proposed for up to 100 people any day of the week between 10:00 am and 10:00 pm and 4 industry wide events for up to 200 people.
Contact Information
Name
Jen Chard
Agency Name
Sonoma County
Job Title
Planner
Contact Types
Lead/Public Agency
Phone
Name
Steve von Raesfeld
Agency Name
Duckhorn Wine Company
Job Title
Applicant
Contact Types
Project Applicant
Phone
Email
Location
Coordinates
Cities
Windsor
Counties
Sonoma
Regions
San Francisco Bay Area
Cross Streets
Slusser Road and River Road
Zip
95492
Total Acres
155.8
Parcel #
057-070-21, 057-070-025
State Highways
101
Railways
N/A
Airports
Sonoma County
Schools
N/A
Waterways
Mark West Creek
Township
8N
Range
9W
Section
34
Base
Diablo
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Conservation (DOC), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Transportation, Division of Aeronautics (DOT), California Department of Transportation, Division of Transportation Planning (DOT), California Department of Water Resources (DWR), California Fish and Game Commission (CDFGC), California Highway Patrol (CHP), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Public Utilities Commission (CPUC), California Regional Water Quality Control Board, North Coast Region 1 (RWQCB), California State Coastal Conservancy (SCC), Department of Food and Agriculture (CDFA), Office of Historic Preservation, State Water Resources Control Board, Divison of Financial Assistance, University of California Natural Reserve System (UCNRS), State Water Resources Control Board, Division of Drinking Water, California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
State Reviewing Agency Comments
State Water Resources Control Board, Division of Drinking Water, California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW)
Development Types
Commercial (Sq. Ft. 81000, Acres 1.86, Employees 1)
Local Actions
Use Permit
Project Issues
Aesthetics, Air Quality, Biological Resources, Archeological/Historical
Public Review Period Start
Public Review Period End
Attachments
Draft Environmental Document [Draft IS, NOI_NOA_Public notices, OPR Summary Form, Appx,]
Notice of Completion [NOC] Transmittal form
State Comment Letters [Comments from State Reviewing Agency(ies)]
Disclaimer: The Governor’s Office of Land Use and Climate Innovation (LCI) accepts no responsibility for the content or accessibility of these documents. To obtain an attachment in a different format, please contact the lead agency at the contact information listed above. For more information, please visit LCI’s Accessibility Site.