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.


100 First | Party with Proper!

With the holidays right around the corner, don’t forget about Proper Food! Order at least 24 hours prior to the delivery date and your choice between pick-up or delivery! Big blowout or intimate gathering?

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!



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

Get Started