After the sudden death of Tiburcio and the settlement of the estate, neither the house nor the 800 acres were used by the Parrott family between 1896 and 1938.
Eventually the property was purchased by Mike Robbins in 1974. Robbins, after a successful career in real estate, came to the Napa Valley to pursue a new passion. He bought a Victorian on St. Helena Highway near Deer Park Road and constructed a small winery which became Spring Mountain Vineyards. Soon Robbins outgrew this first location and discovered the wonderful Parrot estate.
After acquiring Miravalle, Robbins restored the Victorian residence and built a 17,000 square foot winery at the site of Tiburcios wine cave and small winery.
Though his primary vineyard was in Rutherford on the Silverado Trail (now the site of Domaine Mumm), Robbins planted Cabernet Sauvignon and Sauvignon Blanc in 1980 on the land
around Miravalle. Robbins' Spring Mountain Chardonnay became highly prized by connoisseurs and was a cult wine of the late 1960s and 1970s.