TO: Napa County Planning Commission
FROM: Brian D. Bordona, Director of Planning, Building & Environmental Services
REPORT BY: Dana Morrison, Supervising Planner - (707) 253-4437
SUBJECT: Tesseron New Winery-Use Permit No. P22-00309-UP
RECOMMENDATION
title
TESSERON NEW WINERY USE PERMIT APPLICATION NO. P22-00309-UP
CEQA STATUS: Consideration and possible adoption of a Mitigated Negative Declaration. According to the Mitigated Negative Declaration, the proposed project could have potentially significant environmental impacts to Biological Resources, however, various Mitigation Measures and Conditions of Approval have been incorporated to reduce potential impacts to a less than significant level. The MND was circulated for public comment during the initial Public Hearing notice and Notice of Intent to Adopt a MND, which ran from March 13th, 2025, through April 15th, 2025; State Clearinghouse Number 2025030568. The project site is not included on a list of hazardous materials sites compiled pursuant to Government Code Section 65962.5.
REQUEST: Approval of a Use Permit to allow a new winery with an annual production capacity of 20,000 gallons per year with the following characteristics:
a. Construction of a new 14,729 square foot (sf) cut and cover Type I cave with a 2,750-sf covered crush pad, and a 348-sf covered mechanical equipment area with an enclosed trash/recycling area:
i. Included in the cave is a 3,645-sf fermentation dome room with a 32-foot-high ceiling;
ii. The caves and domes will be used for winemaking, fermentation, aging, barrel storage, bottling, case good storage; dry good storage, as well as shipping and receiving; the cave will also contain an office, lab and two restrooms.
iii. A retaining wall will be constructed uphill of the cave and will be 56 feet 6 inches in height.
b. Excavation of approximately 20,000 cubic yards of spoils associated with the cave and construction of structure pads, all of the spoils will be distributed within th...
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