Prime Retail/Office Rental Opportunity in the Heart of Lower Pacific Heights Downtown San Francisco. Perfect for Your Next Venture! Launch or expand your dream business here in a magnificent 1921 concrete historic building, built by the same renowned San Francisco Architectural Team behind the Iconic Hoover Dam. Space Highlights: 1,975 square feet open-concept main floor with soaring 20-foot ceiling. Large mezzanine level that can be used for office or break area. Full basement is ideal for inventory or secured storage. Charming functioning sunroom floods the interior with warm natural light, creating an inviting atmosphere and energy efficiency. RC4 Zoning supports the maximum flexibility for your vision, from a trendy pop up shop, temporary activation or fine art gallery to permanent retail store, high tech business, collectible show room, GYM/fitness studio, boutique fashion store, research center, professional office, higher-end retail store, barber shop or full service spa lounge and endless possibilities to match your vision. Busy foot traffic! Highly visibility location! Walking distance to Macys Union Square, Cheesecake Factory, Higher-end Retail Stores, Apple Store, Johns Grill, Farallon Steakhouse, Hotels, Restaurants, Bars & many other thriving surrounding businesses.