Purpose-built for pioneers

Southline is an innovative, 31-acre purpose-built science and technology development in South San Francisco, conveniently located directly adjacent to BART and within walking distance to Caltrain.

The campus will feature 2.8 million square feet of Class-A office and life science space, offering an authentic work-life experience in one of the most exciting developing neighborhoods in the Bay Area.
Now Leasing
Project highlights
2.8M Sq. Ft.
Scalable, high-caliber workplace designed for the modern workforce
Best-in-the-Bay location with convenient access to all the transit options and freeways
Design fully supports workplace needs for science and tech users 
Offerings at every corner of the campus + near many local favorites

All roads lead
to Southline

Situated at the intersection of 101 and 280, where BART and Caltrain converge and just minutes from SFO, the entire Bay Area is as accessible as it has ever been at Southline. Recruit and retain from everywhere.
Downtown San Francisco
Downtown Oakland
San Francisco
San Mateo
Redwood City
Palo Alto
2 Min
Walk to the San Bruno
Bart Station
4 Min
Bike ride to the
San Bruno Caltrain Station
5 Min
Drive to San Francisco
Airport (SFO)

In the center
of everything

Southline is in the center of a burgeoning, mixed-use neighborhood that soon will become an employment hub and the cultural heart of South San Francisco.

This growing area will offer a walkable live/work community, creating opportunities to shape South San Francisco's next chapter.
Retail / Housing
40 Restaurants
100+ Shops and Services
2,300 New Residential Units

Project details

Efficient & Open Floorplates
—Office: 50,000-100,000 sq. ft.
—Life Science: 45,000 sq. ft.
—Up to 2/1000
—25% EV ready
Ceiling Heights
– Office: 16’ ground floor / 14’ upper floors
– Life Science: 18’ ground floor / 16’ upper floors
Column Spacing
—30’ & 33’ typical column spacing
Live Load Capacity
—125 lbs/sq. ft.
—4,000-8,000 MIPS
Now leasing
Phase 1A
Phase 1A Highlights
—Tenant improvement ready
—20 Southline Ave: 6 stories/350,000 sq. ft.
—Surface parking & five-level garage
—Amenities building
Designed for innovation,
inside out
We know that innovation doesn’t just happen at a desk. Here, curated amenities, restaurants,
and retail give big ideas space to grow, offering structure for deep thinking and space for
spontaneity. Experience something new each day.  

The Film

Expert Team
Lane Partners is a commercial real estate investor, developer, and operator with a keen focus in the greater San Francisco Bay area. By concentrating on products we know and markets we love, we recognize opportunity and deliver results like no one else. Whether it’s through the redevelopment, releasing or restructuring of institutional quality assets, we have been consistently adding value to properties since 2006. 
Beacon is a private real estate investment firm with a
75-year legacy of successful real estate development, management, and transformation. Beacon has a national footprint that covers 14 markets, with $14 billion of investment assets under management, and a portfolio spanning more than 29 million square feet.