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What to Expect
Discover Zinfandel from Robert Biale Vineyards, where this red grape variety has been an essential part of California's winemaking tradition for over a century. While specific origins and appellation details are unknown, Robert Biale Vineyards offers you the rich, bold flavors characteristic of traditional dry Zinfandel—notes of blackberry, raspberry jam, and hints of spice that complement a wide range of meals, from barbecue to grilled meats and tomato-based pasta dishes.
Original editorial summary © 2026 Encyclopedia of Wine. All rights reserved; may not be reproduced without permission. Registry facts are public TTB data; brand names and label artwork remain the property of their respective producers.
| TTB ID | 22362001000428 |
|---|---|
| Brand name | ROBERT BIALE VINEYARDS |
| Fanciful name | PARTY LINE |
| Class / type | — |
| Origin / appellation | — |
| Grape varietals | Zinfandel |
| Approval date | Jan 5, 2023 |
| Status | APPROVED |
| Serial number | 221228 |
| Permit number | BW-CA-5872 |
| Producer name & address | ROBERT BIALE VINEYARDS, THE BIALE ESTATE 4038 BIG RANCH ROAD NAPA CA 94558 |
| TTB record | View on TTB COLA Online → |
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