About
Portworks Wine Lounge, now proudly owned and operated by Heringer Estates, is Petaluma’s artisan destination for small-batch port wines from Sonoma Portworks alongside curated Heringer Estates wines. Founded in 1994 as Sonoma County’s only dedicated port winery, it blends family legacies with a commitment to sustainability, craftsmanship, and community from estate vineyards in Clarksburg, California. The cozy lounge offers a welcoming space to sip, share, and celebrate Sonoma wine traditions.
small-batch port wines
Heringer Estates wines
sustainable estate vineyards in Clarksburg
craftsmanship and community
Photos
What They Make
Small-batch Port Wines
Artisan ports from Sonoma Portworks
Heringer Estates Wines
Estate-grown wines from Clarksburg vineyards
Awards
Gold Medal, San Francisco Chronicle Wine Competition 2020
2020
Silver Medal, California State Fair 2019
2019
Latest News
In 2025, founders Bill and Caryn Reading passed the torch to Heringer Estates, blending two family legacies.