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 the subject parcel or
neighboring parcels under the same ownership, with spoils
specifically occurring on APN 027-060-020-000 at various
locations but outside of all required stream and ephemeral
setbacks;
c. Onsite parking for three (3) vehicles; one (1) handicapped, one (1)
compact and one (1) standard;
d. Up to one (1) full-time employee, and three (3) part-time
employees;
e. Installation of a 50,000-75,000-gallon Fire Protection Water Tank
located on a parcel under the same ownership but within the
jurisdiction of the County of Sonoma (this will require the
