Diamond Heights Winery LLC Use Permit Application No. P10-00400-MOD


SCH Number
Lead Agency
Napa County
Document Title
Diamond Heights Winery LLC Use Permit Application No. P10-00400-MOD
Document Type
NEG - Negative Declaration
Present Land Use
PLU: Agriculture, Winery Z: AP (Agricultural Watershed) GPD: AWOS (Agriculture, Watershed, Open Space)
Document Description
Approval of a Use Permit to convert an existing 20,000 gallon per year Small Winery Exemption with no visitation or marketing events to a winery with the following: " No change in the approved 20,000 gallon per year production; " Recognize and upgrade existing improvements including: an outdoor covered crushpad (1,692 sq. ft.), tank pad (735 sq. ft.), winery production areas (6,719 sq. ft.) and indoor accessory areas (2,709 sq. ft.) totaling approximately 11,855 square feet of area; " Establish by-appointment tours and tastings to a maximum of 15 per day; " Increase employees from 1 full-time and 1 part-time to 4 full-time and 2 part-time; " Increase parking from 8 spaces to 15 spaces; " Establish a marketing plan including: with three events per year for a maximum of 40 guests at each event and one event per year for a maximum of 100 guests; " Expansion of existing subsurface drip winery wasterwater system and; " Widening of the existing access drive to 20 feet.

Contact Information

Linda St. Claire
Agency Name
Napa County Department of Conservation, Development, & Planning
Contact Types
Lead/Public Agency


Cross Streets
Franz Valley School Road
Total Acres
Parcel #
State Highways
Hwy 128

Notice of Completion

State Review Period Start
State Review Period End
State Reviewing Agencies
California Department of Fish and Wildlife, Bay Delta Region 3 (CDFW), California Department of Parks and Recreation, California Department of Transportation, District 4 (DOT), California Highway Patrol, California Native American Heritage Commission (NAHC), California Regional Water Quality Control Board, San Francisco Bay Region 2 (RWQCB), Department of Water Resources, Office of Historic Preservation, Resources Agency
Development Types
Other (Winery)
Local Actions
Use Permit
Project Issues
Cultural Resources, Wildlife

Disclaimer: The document was originally posted before CEQAnet had the capability to host attachments for the public. To obtain the original attachments for this document, please contact the lead agency at the contact information listed above. You may also contact the OPR via email at state.clearinghouse@opr.ca.gov or via phone at (916) 445-0613.

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