Ontrail Vineyards Micro-Winery Use Permit, P25-00139-UP
Summary
SCH Number
2026060461
Lead Agency
Napa County
Document Title
Ontrail Vineyards Micro-Winery Use Permit, P25-00139-UP
Document Type
NEG - Negative Declaration
Received
Present Land Use
General Plan description: Agricultural Resource (AR)/Agriculture, Watershed and Open Space (AWOS)
Zoning: Agricultural Watershed District (AW)
Document Description
Proposal for a phased Micro-Winery Use Permit for a new 5,000 gallon per year winery with daily tours and tastings by appointment on a 13.33 acre parcel.
Phase 1 consists of the following:
• Convert the existing 1,951 sq. ft. barn to production space for barrel fermentation and aging of up to 5,000 gallons of wine per year, with all crush activities occurring at an offsite facility, and utilizing an on-site self-contained mobile bottling services, which will be located south of the existing barn.
• Convert the existing 529 sq. ft. farm labor office to winery tasting and accessory uses.
• By appointment visitation, tours and tasting, and retail wine sales for up to 10 visitors per day, or 70 visitors per week.
• On-premises consumption of wine (Business and Professions Code Section 23358, 23390, and 23396.5) in a 2,500 sq. ft. area located on the outdoor patio of the tasting room.
• Hours of operation include seven days a week from 8 a.m. to 5 p.m., except during harvest for production, and seven days a week from 9 a.m. to 6 p.m. for visitation.
• One (1) full-time and one (1) part-time employee (one employee is an owner-operator who lives onsite).
• Installation of four (4) parking spaces [one (1) accessible, two (2) standard, and one (1) compact].
• Construction of a fire truck turnaround south of the proposed Fire Truck Staging Area.
• Use of an existing domestic wastewater treatment system to serve the tasting room and winery. No winery process wastewater would be generated during Phase 1 winery facility; cleaning of equipment will occur offsite.
• Use of an existing groundwater well (Well #1).
• Improve the existing driveway to comply with the Napa County Road and Street Standards.
Phase 2 consists of the following:
• Convert the 1,951 sq. ft. barn to a non-winery use.
• Construct either a new 4,103 sq. ft. winery building or a 2,152 sq. ft winery building (provided the 1,951 sq. ft. barn continues use as a winery building).
• Installation of five each 5,000-gallon water storage tanks.
• Removal of 0.13 acres of existing vineyards to accommodate the new 4,103 sq. ft. winery production building.
• Construction of a fire truck turnaround in between the farm labor office and proposed new winery building.
Phase 3 consists of the following:
• Construction of a 730 sq. ft. covered crush pad.
• On-site production and the installation of either a production wastewater system to accommodate on-site treatment or utilization of a hold and haul wastewater system.
Phases 2 and 3 may occur any time after completion of the Phase 1 improvements.
Contact Information
Name
Wendy Atkins
Agency Name
County of Napa PBES
Job Title
Planner II
Contact Types
Lead/Public Agency
Phone
Name
Jim Fassio
Agency Name
Applicant
Job Title
Owner
Contact Types
Project Applicant
Phone
Email
Name
Cameron Pridmore
Agency Name
CMP Civil Engineering & Land Surveying Inc
Job Title
Civil Engineer
Contact Types
Consulting Firm
Phone
Location
Coordinates
Cities
Napa, Unincorporated Area, Nearest City Napa
Counties
Napa
Regions
Northern California
Cross Streets
Silverado Trail and Soda Canyon Road
Zip
94558
Total Acres
13.33
Jobs
2
Parcel #
039-610-003
State Highways
Silverado Trail
Schools
Sunrise Montessori of Napa Valley, Willow, Vichy, Vintage
Waterways
Dry Creek, Miliken Creek, Napa River, Sarco Creek, Soda Creek
Township
4W
Range
22
Section
6N
Base
MDM
Other Location Info
3252 Silverado Trail
Notice of Completion
State Review Period Start
State Review Period End
State Reviewing Agencies
California Air Resources Board (ARB), California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Forestry and Fire Protection (CAL FIRE), California Department of Parks and Recreation, California Department of Pesticide Regulation (DPR), California Department of Toxic Substances Control (DTSC), California Department of Transportation, District 4 (DOT), California Department of Water Resources (DWR), California Native American Heritage Commission (NAHC), California Natural Resources Agency, California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), California State Lands Commission (SLC), Office of Historic Preservation, State Water Resources Control Board, Division of Drinking Water, State Water Resources Control Board, Division of Drinking Water, District 25 (SWRCB), State Water Resources Control Board, Division of Water Quality, State Water Resources Control Board, Division of Water Rights
Development Types
Commercial (New Winery Building)(Sq. Ft. 4103, Acres 0.9, Employees 2)
Local Actions
Use Permit
Project Issues
Hydrology/Water Quality, Noise, Septic System
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
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.
