Newcastle Partners sold the 30,000-square-foot office property in the city’s Jackson Square neighborhood. : Brick and Timber Collective has expanded its footprint with the acquisition of a 30,000-square-foot creative office building in San Francisco. Newcastle Partners, in partnership with Drake Real Estate Partners, sold the property for $27 million after nearly three years of ownership. JLL arranged the sale on behalf of the seller. Situated at 900 Kearny St., the office building is in San Francisco’s Jackson Square neighborhood, near the intersection of North Beach, the north Financial District and China Town.