The Swig Company Logs Nearly 22,000 SF of New Leases at 444 Castro in Mountain View

The Swig Company Logs Nearly 22,000 SF of New Leases at 444 Castro in Mountain View

September 25, 2026

Tenants include Back Nine Golf, which will open an indoor golf simulator next year

Mountain View, Calif. (September 24, 2026) - Reflecting an office market buoyed by ongoing tenant demand for high-quality space, The Swig Company has inked nearly 22,000 square feet of signed leases in seven separate transactions at 444 Castro over the past month. The transactions, ranging in size from 1,800 s.f. to 5,300 s.f. include five leases with tenants new to the building, an expansion, and a renewal.

"Users across industries continue to show strong interest in the amenities and tenant experiences available at 444 Castro," said Elaine Dell'Aquila, Vice President of Asset Management at The Swig Company. "The addition of Back Nine Golf complements our existing amenities by bringing a ground-floor indoor golf simulator experience to our tenants as well as the surrounding community," she added.

Back Nine Golf, which was represented by Simon Figg of Dallas-based tenant rep firm Morrow Hill, plans to open on the ground floor in the second quarter of 2027 in 3,600 s.f. of space. The Swig Company was represented by Shelby Swanson of The Econic Company.

In addition to this new retail lease, The Swig Company, in partnership with exclusive leasing agents Christine Slonek and Andrea Bartlinski of Newmark, inked four leases with new tenants, including several for newly built creative spec suites that together encompass the entire sixth floor. These tenants include:

• Nexxa.ai, an industrial AI startup building an intelligent operating system for heavy industries like automotive, manufacturing, and energy, leased 1,800 s.f. and was represented by Conor Flannery and Nick Carroll of Cushman & Wakefield;
• SciFin, an enterprise software startup that turns fragmented sales data into trusted revenue context, leased 2,500 s.f. and was represented by Clayton Jones and Audrey Schaffer of Colliers;

In addition to Back Nine Golf and the two new office leases, The Swig Company, inked leases with four other tenants that do not wish to be identified.

More Spec Suites Coming Soon

Building on the success of the sixth-floor spec suites, The Swig Company is preparing to begin construction on four additional creative spec suites on the ninth floor. The property also offers two full floors, consisting of approximately 10,400 s.f. each, of immediately available space on the fifth and eighth floors, along with 2,700-3,300 square feet of ground-floor retail space fronting Castro Street.

Located in Downtown Mountain View, 444 Castro is a 12-story, Class A office tower that is LEED Gold Certified, WELL Health-Safety rated, and Energy Star certified. The building has a common conference room, EV chargers in the garage, free secured parking, a bike storage cage, a fitness center with showers and lockers, an outdoor courtyard with a communal gathering area, and on-site banking. Tenants also enjoy the connectivity to the building and their local community via The Swig Company's h3experiences app, which is designed to anticipate the demands of the evolving workforce.

For information on additional space at 444 Castro, contact Christine Slonek (408) 489-3563 or Andrea Bartlinski (408) 982-8424 of Newmark.

About The Swig Company:

The Swig Company, LLC is a privately owned, San Francisco-based real estate operator with a 90-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: https://www.swigco.com.