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.


End of Summer Celebration on the Sun Terrace

 The season is changing! Join us on the 100 First Sun Terrace for an end-of-summer celebration with Humphry Slocombe ice cream, El Porteno empanadas, and a flamenco guitarist. There will be a raffle with some fun giveaways at the end of the event. We look forward to seeing you all there!

Transportation Fare Discounts

Local transportation agencies are offering fare discounts to welcome commuters back to transit. Check out the links below for discounts and changes by the various agencies.

Clipper Promotion

New Pilot Bus Route – Route 114

Cal Train 50% off non-Go Pass Fares

Caltrain 20% off Monthly Passes through 6/30/23

Free Muni Program for all 18 years and under through 8/14/22

SF Bay Ferry – Lower Fares Effective 7/1/22

Proper Food Reopened

We are excited to have Proper Food reopen at 100 First. Please feel free to stop by for breakfast, lunch or both!


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

Get Started