About Us
Since 1893 Historic San Francisco Building
In the heart of San Francisco’s Union Square district, the historic Native Sons of the Golden West Building at 414 Mason Street has served as a landmark of California heritage and a hub for community gatherings since it opened.
Originally built in the late 19th century and rebuilt after the 1906 earthquake, this architectural gem blends historic character with modern versatility.
Today, the venue offers multiple flexible meeting spaces for corporate retreats, seminars, and intimate gatherings, with natural light, flexible seating, state-of-the-art AV equipment, and convenient proximity to the Moscone Center (15- min walk).
Beyond its professional meeting facilities, 414 Mason Street is famously home to August Hall, a legendary music hall and event venue that carries on the building's rich tradition of live performance and vibrant nightlife.
Unique San Francisco Venue
Historic Heritage, Modern Versatility
The Native Sons of the Golden West Building at 414 Mason Street is a true gem of San Francisco history, dating back to 1893.
This iconic venue blends classic architecture with contemporary elegance, carefully restored to accommodate modern gatherings while preserving its original charm.
Its unique setting enhances any corporate meeting, seminar, or private event with timeless features.
Flexible Meeting & Event Spaces
Designed to accommodate multiple groups of up to 48 people, our adaptable meeting rooms offer the ideal environment for productivity and collaboration.
Each space features abundant natural light, state-of-the-art audiovisual (A/V) technology, high-speed Wi-Fi, Kitchen Spaces (Fridge, sink, and large counter space for catering drop-off), customizable seating configurations tailored to your event's exact specifications, and a dedicated on-site Event Manager.
Premier Union Square Location
Located in the vibrant heart of San Francisco's Union Square, the venue is an easy 15-minute walk from the Moscone Center, surrounded by major and independent hotel brands, with a parking garage directly across the street.
Adding to its unique appeal, 414 Mason Street is also home to August Hall, letting you seamlessly pair professional daytime meetings with world-class live entertainment and nightlife in the same building.
