Project · Napa County, CA · Updated last week
Promise Winery
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Sourced from Napa County meeting, Feb 4, 2026. ZoneWire tracks 39 projects in Napa County, CA, updated within 24h of every meeting.
Where this stands
Phase 1: Convert 1,300 sq ft barn to 2,700 sq ft winery building for 5,000 gallons barrel aging and fermentation; convert ADU to tasting room; ADA restroom structure; driveway entrance upgrades. Phase 2: 30,000 gallons production; 5,000 sq ft wine cave with covered crush pad; new winery process wastewater treatment system. Property has 3.5 acres approved vineyard.
- Project
- Promise Winery
- Asset class
- Commercial
- Developer
- Jen and Steve McPherson
- Location
- 62-acre parcel on Sage Canyon Road (Highway 128), Pritchard Hill area, one mile east of Lake Hennessy
- Scale
- 1,300 sq ft
- County
- Napa County, CA
- Jurisdiction
- Napa County
- Current status
- Approved
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Promise Winery
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