Passalacqua produces wines from Sonoma County in California's North Coast region. The winery focuses on Zinfandel and Cabernet Sauvignon, drawing from vineyard sites including Halling Vineyard and Passalacqua Vineyard. PQZ, a Zinfandel, represents the winery's work with the variety, as does Halling Vineyard Zinfandel. TR Passalacqua Vineyard Cabernet Sauvignon rounds out the portfolio. Wine Enthusiast and Decanter have rated the winery's releases.