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.


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

SFMTA Transit Updates, 6/4/21

Transit options in the San Francisco Bay Area and Marin are ramping back up! Beginning Monday, June 7th, BART will be doubling the number of 15-minute frequency trips on weekdays by adding 26 new trips on lines with the highest ridership. Saturday service will also increase with 16 additional trips. BART hours remain 5 AM – 9 PM on weekdays and 8 AM – 9 PM on weekends. Click here for more information.

In addition, Golden Gate Transit will make regional adjustments effective Sunday, June 13th, with some trips arriving or departing from the San Francisco Financial District.

Muni Metro subway stations reopened on Saturday, May 15, 2021, with full N and KT routes. Wi-Fi service is now available in stations and tunnels as a result of system improvements over the pandemic. Click here for more details. Additionally, a new temporarily combined 36/52 route will service the Forest Hill, Miraloma, and Sunnyside neighborhoods, running a loop between Forest Hill and Glen Park stations. F Market and Wharves service has also returned on the historic streetcars.

We’re happy to see the increased transit activity in the city!


WELL Health Safety Rating

100 First is proud to announce that we have achieved the WELL Health-Safety rating by the International WELL building institute!

The WELL Health-Safety Rating for Facility Operations and Management is an evidence-based, third-party verified rating for all new and existing building and facility types focusing on operational policies, maintenance protocols, stakeholder engagement, and emergency plans.

The WELL Health-Safety Rating provides an efficient and effective opportunity to guide, validate, and recognize the efforts of owners and operators for efforts on critical health and safety issues.

For more information, please visit the WELL Certified website here. You can also find our building in the WELL Health Safety directory located here.


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

Get Started