Addendum

United States: California: North Coast: Napa County: Napa Valley

Addendum is a boutique winery in Napa Valley, founded in 2014 by the Parker family. It focuses on Bordeaux-style varietals, sourcing fruit from premium vineyards to create small-lot Cabernet Sauvignon wines. The winery emphasizes precision vineyard selection and restrained production to highlight terroir and the family's winemaking values.

Official website

Map data © OpenStreetMap contributors. Location is approximate.

Thinking of visiting? Here’s the upcoming weather for this winery.

Weather in United States: California: North Coast: Napa County: Napa Valley, June 19, 2026 – June 22, 2026

Thu

2026-06-18

Clear

High 86°F · Low 52°F

Fri

2026-06-19

Clear

High 81°F · Low 50°F

Sat

2026-06-20

Clear

High 84°F · Low 46°F

Sun

2026-06-21

Clear

High 90°F · Low 46°F

Numerical forecast from 7Timer! (GFS-based). Temperatures shown in °F (converted from model °C). Provided as-is for non-commercial use; see 7Timer documentation.

Wine releases by year

2025

  • 2019 Napa Valley Cabernet Sauvignon (10/24/2025, 368 cases, $100) (10/24/2025, 368 cases, $100)

2022

  • 2018 Napa Valley Atlas Peak Stagecoach Vineyard Cabernet Sauvignon ($135) ($135)