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.


SFMTA Transit Service Updates / April 1, 2020

Beginning Monday, March 30th, all Muni Metro/light rail routes for the J, KT, L, M, and N will be replaced by buses in an effort to redirect custodial resources to other, higher-use facilities. In addition, Muni Rapid Routes 5R, 9R, 28R, and 38R will be temporarily discontinued.

Bart’s current weekday schedule is 5am-9pm with Saturday and Sunday service from 8am-9pm.

SFMTA has temporarily suspended parking enforcement measures to street cleaning and parking. Violation tickets will not be issued for the following:
• Surpassing 72-hour parking limits
• Exceeding time limit parking
• Parking without Residential Permit Parking (RPP) permits
• Parking in towaway zones during peak hours
• Parking in streets due for street cleanings

Please note SFMTA will continue enforcing parking rules if parked near fire hydrant, red, yellow, and white zones (except in front of school as they are out of session). Any parking in transit or bike lanes will be enforced.

Visit SFMTA.com for more information.

The Bay Area is Serving School Meal Pick-Ups for Children!

A team of Stanford students developed this resource listing locations in the Bay Area serving school meal pick-ups for your children during the shelter-in-place period.

100 First is now a BOMA 360 Performance Building!

We are proud to announce that 100 First has just been named a BOMA 360 Performance Building!  It is an honor to be among an elite group of properties recognized for excellence in all areas of operations and management.  For more information on this prestigious program, click here


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

Get Started