Colliers, in conjunction with RI Marketplace, is pleased to present the opportunity to acquire a 112,570-square-foot condominium interest in 1155 Market Street, also known as The Lighthouse Building (the “Property”), in the Civic Center submarket of San Francisco, California. Auction Page: https://rimarketplace.com/auction/3181/office/san-francisco/ca Formerly occupied by a single tenant, two new leases were executed bringing occupancy to 30% and a weighted average lease term of 7.19 years. With another 75,000 square feet of available space, 1155 Market presents a user with the opportunity to occupy and fully customize a new headquarters location. Additionally, the in-place income enables investors more flexibility with existing cash flow to carry the asset through a lease-up period. Located in the Civic Center submarket, the Property sits within one of San Francisco’s most supply-constrained office districts. With no new deliveries since 2012, the area has demonstrated resilience and continued demand from government, institutional, and non-profits tenants. 1155 Market is well positioned to benefit from the city’s growing role in the AI and technology economy. In Q1 2026, the Bay Area attracted over 80% of U.S. venture capital funding, with San Francisco accounting for nearly 60% of global AI investment in 2025. With proximity to Civic Center institutions, theaters, and a variety of dining options, along with excellent access to BART, Muni, and multiple bus lines, 1155 Market presents a distinctive opportunity for an investor or owner/user to acquire an asset with longterm potential in the heart of San Francisco.