Napa County Zoning Decisions: September 2026

In September 2026, Napa County held 4 public meetings covering zoning matters. 4 zoning decisions had a recorded outcome this month: 2 approved (100% approval rate), 2 deferred. Activity was down 21% compared to August (163 activity items across 4 meetings).

Zoning Decisions This Month

Oak Zegna Vineyards LLC Micro Winery Use Permit at 3252 Silverado Trail

Deferred.

Public hearing on a new 5,000 gallon per year micro winery on an existing 13.33 acre parcel (APN 039-610-003) at 3252 Silverado Trail, built in up to three phases including converting an existing 1,951 sqft barn to production space, converting a 529 sqft farm labor office to tasting/accessory use, a new 4,103 sqft winery building, and a 730 sqft covered crush pad. Visitation limited to 10 visitors/day and 70/week, no marketing events, one full-time and one part-time employee. Mitigation measures added for Swainson's Hawk and a mitigated negative declaration prepared. The zoning administrator continued the item to a date uncertain to allow staff to consider the most recent letter from Water Audit California. No voting body; continued by the hearing officer.

See the vote tally and conditions for this decision →

On-Trail Vineyards Micro Winery Use Permit

Deferred.

Use permit P2500139 for the On-Trail Vineyards micro winery. Previously heard July 22; staff recommended continuance to prepare a mitigated negative declaration requested by the California Department of Fish and Wildlife. Public hearing opened and item continued to a special zoning administrator meeting on September 30, 2026.

See the vote tally and conditions for this decision →

Sunrise Ranch Winery Wicked Wine Run Category 4 Temporary Event

Approved.

Category 4 temporary event license P2600205 for the Wicked Wine Run at Sunrise Ranch Winery, 1 Kirkland Ranch Road, American Canyon (APN 057-140-015 and 057-140-016). Event on October 10, 2026, 11:30 a.m. to 5:30 p.m., approximately 1,500 attendees (up from 600), featuring a 21+ 5K and 1K with wine sampling, three vendors, four food trucks, one DJ. Zoning administrator found the project ministerially exempt from CEQA and approved the permit.

See the vote tally and conditions for this decision →

Garbage Zone 1 rate adjustment (item 10D)

Approved.

Adopted a resolution adjusting rates effective October 1, 2026 for residential and commercial collection of solid waste, recyclables, green waste and food waste in unincorporated Napa County Garbage Zone 1, served by Napa County Recycling and Waste Services LLC. Net requested increase under 1% (about half a percent); 35-gallon can in Zone 1 will be $49.10/month. Motion by Supervisor Alessio, second by Supervisor Cottrell.

See the vote tally and conditions for this decision →

Top Keywords This Month

• zoning: 26 instances
• land use: 24 instances
• residential: 14 instances
• short term rental: 7 instances
• commercial: 7 instances

What to Watch

• Land use mentions were up 118% from August.
• Short term rental is new this month with 7 mentions, not present in August.

Stay on Top of Napa County Meetings

This roundup covers the highlights. ZoneWire can email you the moment a new Napa County meeting is posted, with the agenda, so you never have to check the calendar yourself.

Get free New Meeting Alerts for Napa County.