CAMPO ALEGRE, LLC & FIRETREE VINEYARDS LLC / FIRETREE FAMILY VINEYARDS MICRO-WINERY / USE PERMIT P25-00134-UP AND VIEWSHED PERMIT P25-00302-VIEW CEQA Status: Consideration and possible adoption of a Class 3 (CEQA Guidelines section 15303) Categorical Exemption pursuant to Appendix B, of Napa County’s Local Procedure for Implementing the California Environmental Quality Act (Additional Categorically Exempt Projects in Napa County), Item No. 10 - Construction and operation of small wineries, other agricultural processing facilities and farm management uses. The project is not included on a list of hazardous materials sites complied pursuant to Government Code Section 65962.5. Request: Approval of a Micro-Winery Use Permit to establish a new winery with an annual production capacity of 5,000 gallons including the construction of new buildings for production and hospitality/administrative uses, an unenclosed outdoor pavilion, tours and tastings by appointment only, on-site consumption, on-site driveway improvements to meet the Napa County Road and Street Standards, parking, landscaping, and other improvements associated with wineries. The project also includes a request for a viewshed permit to allow for proposed production and accessory buildings and an unenclosed outdoor pavilion to be located on slopes over 15% in locations partially visible from Old Sonoma Road, a County-designated Viewshed Road. The project site consists of three properties totaling approximately 98.99 acres, zoned Agricultural Watershed (AW) with a General Plan land use designation of Agriculture, Watershed and Open Space (AWOS), located at 4235 Old Sonoma Road, Napa; APN’s 047-030-020 (winery), 047-030-028 (driveway), and 047-030-038 (driveway - formerly APN’s 047-030-025 & -027). Staff Recommendation: Adopt the Categorical Exemption prepared for the project and approve Micro-Winery Use Permit No. P25-00134 and Viewshed Permit No. P25-00302, as conditioned. Staff Contact: Riley Hebb, Planner II, (707) 299-1334, riley.hebb@countyofnapa.org Applicant Contact: Nicolas Messaritis, (415) 357-4400, nicolas@arcanumarchitecture.com CONTINUED FROM THE SEPTEMBER 23, 2026 ZONING ADMINISTRATOR HEARING

Committee

Zoning Administrator

Requested by

Planning, Building and Environmental Services

Introduced

September 29, 2026

On agenda

October 7, 2026

Where it was heard

Zoning Administrator Oct 7, 2026

Watch Napa County

Say what matters to you — a street, a company, a subject — and we will email you when Napa County files something about it.

Watch this

Free for 14 days, no card — and nothing charges itself: at day 14 the emails simply stop unless you choose to subscribe ($19 a month). One email when something matches, and nothing else. Unsubscribe from any of them. Searching stays free — it is public record.