The Swig Company Ends 2025 with Three New Office Leases at The Mills Building in San Francisco
January 6, 2026
The Swig Company announced the signing of three new leases at San Francisco’s historic Mills Building, bringing total leasing at the property in the last twelve months to 129,000 square feet. The three most recent leases represent a diverse cross-section of the San Francisco economy, including a non-profit group, an architectural services firm, and a wellness operator. They are:
- Save the Redwoods, a nonprofit organization founded in 1918 to protect and restore California’s redwood forests, signed a lease for approximately 14,000 s.f. Jeff Tremolada of The Axiant Group represented Save the Redwoods.
- Huntsman Architectural Group, a design firm delivering architecture, interior design and strategic consulting services, signed a lease for approximately 12,500 square feet. Bill Benton, Mike Brown, and Derek Smith of Newmark represented Huntsman.
- Olida, a therapy and wellness operator, signed a lease for approximately 3,000 square feet. Olida was represented by Samantha Latimer and Alex Phillips of Cushman & Wakefield.
The Swig Company was represented by Mark Geisreiter, Bart O’Connor and Hannah Potter of Newmark in all three transactions.
“We’re honored to welcome Save the Redwoods, Huntsman Architectural Group, Olida, and all the incredible organizations that chose the Mills Building in 2025. Their commitment to downtown San Francisco reinforces the vitality and resilience of our business community. We’re also thrilled by the strong response to our spec suite program—many tenants are embracing our thoughtfully designed, move-in-ready spaces. The message from the market is clear: we’re delivering the spaces that today’s businesses need to thrive,” said Stacia Keisner, Senior Vice President, Asset Management at The Swig Company.
The Mills Building, a historic landmark in the heart of San Francisco’s Financial District, continues to thrive under the longtime stewardship of The Swig Company. Blending historic elegance with modern efficiency, the property offers abundant natural light, flexible suites, and robust infrastructure to support today’s businesses, complimented by onsite parking, bike storage, dining options, shared conference facilities, and wellness amenities.
About The Swig Company:
The Swig Company, LLC is a privately owned, San Francisco-based real estate operator with an 89-year history of investment, development, partnership and management of commercial real estate properties in major U.S. markets. Founded by Benjamin H. Swig in 1936, The Swig Company is guided by a long-term investment perspective that has proven adept at stewarding investors safely through multiple market cycles. The company’s vertically integrated operational platform, which includes investment, asset and property management, and leasing expertise, uses flexibility, generational thinking and sensitivity to sustainable practices to stay at the forefront of emerging trends in the commercial real estate industry. For more information, visit: www.swigco.com.