Diamond Creek Vineyards Use Permit Major Modification P19-00177-MOD, Exception to the Napa County Roads and Street Standards
2 Documents in Project
Summary
SCH Number
2025120440
Lead Agency
Napa County
Document Title
Diamond Creek Vineyards Use Permit Major Modification P19-00177-MOD, Exception to the Napa County Roads and Street Standards
Document Type
NOD - Notice of Determination
Received
Posted
6/29/2026
Document Description
The proposal is to modify an existing winery Use Permit and subsequent modifications to recognize and approve items that are out of compliance with the permitted entitlements and for expansion beyond existing entitlements such as construction of a new winery building and agricultural storage building, increase in production, number of employees, weekly visitation, on-premises consumption of wine produced on-site, additional parking, number of marketing events, and necessary infrastructure improvements and upgrades to the wastewater system, and conversion of the existing winery building to a single-family residence with parking. The request also includes an Exception to the Napa County Roads and Street Standards.
Contact Information
Name
Kelli Cahill
Agency Name
Napa County
Job Title
Planner III
Contact Types
Lead/Public Agency
Phone
Name
Nicole Carter
Agency Name
Diamond Creek Vineyards
Job Title
President
Contact Types
Parties Undertaking Project
Phone
Location
Coordinates
Cities
Calistoga, unincorporated
Counties
Napa
Regions
Northern California, Unincorporated
Cross Streets
Diamond Mountain Road and State Route 29
Zip
94515
Total Acres
78.12
Jobs
2
Parcel #
020-440-004, 020-400-012
State Highways
29
Railways
n/a
Airports
n/a
Schools
Calistoga Elem, Calistoga Junior/Senior High, Palisades High
Waterways
Kortum Canyon Creek, Cyrus Creek, Garnett Creek, Blossom Creek, Nash Creek, Napa River
Township
08N
Range
07W
Section
12
Base
MDM
Other Location Info
1500 Diamond Creek Road, Calistoga, CA 94515
Notice of Determination
Approving Agency
Napa County
Approving Agency Role
Lead Agency
Approved On
County Clerk
Napa
Final Environmental Document Available at
1195 3rd Street, Suite 210, Napa CA 94559
Determinations
(1) The project will have a significant impact on the environment
No
(2a) An Environmental Impact Report was prepared for this project pursuant to the provisions of CEQA
No
(2b) A Mitigated or a Negative Declaration was prepared for this project pursuant to the provisions of CEQA
Yes
(2c) An other document type was prepared for this project pursuant to the provisions of CEQA
No
(3) Mitigated measures were made a condition of the approval of the project
Yes
(4) A mitigation reporting or monitoring plan was adopted for this project
Yes
(5) A Statement of Overriding Considerations was adopted for this project
No
(6) Findings were made pursuant to the provisions of CEQA
Yes
Attachments
Notice of Determination
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