100 First



100 First



100 First

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Work. Thrive. First.

Step inside and the difference is clear. At 100 First, work and life merge effortlessly together. Grab a coffee in the airy, sun-soaked lobby. Find a quiet moment on the public garden terrace. Enjoy a dizzying array of fine dining, boutique fitness, and lodging options located just outside your door. Welcome to the heart of San Francisco’s vibrant South Financial District. Welcome to 100 First.

To learn more about this and other Kilroy properties, please visit kilroyrealty.com.

Vendor Access

If you are a vendor and you are planning on visiting 100 First Street, you must submit a vendor access request prior to your visit.


Proper Foods – 10th Anniversary!

Please join Proper Food’s in celebrating their 10th anniversary at 100 First Street!

Proper Food 2024 Anniversary

Bay Area Bike to Work Day

Join thousands of fellow cyclists who pedal to work, school, errands, or just for fun. Whether it’s your first ride or you’re a professional cyclist, take the pledge to get out of your car for even just a few days during May, and then make a long-term commitment to use your bike whenever you can. Encourage friends, family and co-workers to take the pledge too!

Bike to Wherever Days run for the entire month of May! Make sure to ride on Thursday, May 16th for the 30th Anniversary of Bay Area Bike to Work Day.

Headshots 2024 | Sun Terrace

Please join us on May 29th, 2024 for complimentary head shots! It will be at a first come, first serve basis.

We hope to see you there!

Headshot Flyer 2024


Office Managers, please create an account to access all of the building tools & resources.

Get Started