Strategically located on CA128 in historic downtown St. Helena, this exceptional office building with 2 spaces presents a rare opportunity to acquire a Service Commercial-zoned property in one of Napa County's coveted & tightly held markets. Set on a 0.98-acre parcel, the property combines functionality & future development flexibility. Includes approved building permits for a restaurant or grocery concept with 1,100+ SF of outdoor dining. The 4,391 SF remodeled structure was designed for versatility. Two suites can be operated independently or leased for income generation, each with a reception area, private offices, conference room & open areas. Features a shared lobby, breakroom with full kitchen & abundant natural light. Pergola-covered patio is perfect for employee breaks or future dining concepts. Generous onsite parking easily accommodates staff & visitors. Rarely available SC zoning enables a wide range of lucrative commercial applications. Positioned just off scenic Main Street with excellent visibility & accessibility, offering strong consumer traffic from locals & Napa Valley visitors. Whether an investor seeking a high-demand asset or operator establishing a flagship location, this is a compelling opportunity to own a cornerstone of St. Helena's commercial future!