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.


E Waste Collection – February 6, 11a.m. – 1p.m.

We will be hosting our Q1 2019 E-Waste Recycling Day at 100 First Street on Wednesday, February 6th from 11:00 AM to 1:00 PM. During this time, tenants may bring their electronic waste to the 100 First Street lobby.

All computer hardware and electronics, including computers, monitors, television sets, personal electronics, wires, stereos, speakers, keyboards, mice, cell phones, home phones, office phones, remote controls, radio equipment, LCD displays, laptops, VCR, speakers, and more. Computer hardware and electronic equipment is accepted regardless of vintage or working condition.

Please do NOT bring light bulbs, refrigerators, stoves, dishwashers, batteries (AA, AAA, etc.), aerosol cans, small propane canisters, paints, chemicals and other household hazardous waste materials to this event for disposal as they will not be accepted.

Contact the Building Management Office with any questions.

100 First Receives New Energy Star Rating!

We now have a new Energy Star rating of 92 out of 100!

At 100 First, we continuously evaluate our systems towards improving energy efficiency.  We track our energy consumption for the most optimal improvements towards energy savings.  Through our efforts, we have been able to foster economic development, greater competitiveness, and a healthy environment.

100 First Achieves Fitwel Certification

In response to the growing demand for spaces designed to support healthier lifestyles, 100 First has taken great strides in integrating best practices towards occupant health and wellness.  As a certified Fitwel property, we have been recognized for our efforts in promoting safety, impacting community health and supporting social equity.

We are proud to be among the most stabilized and healthy buildings in the San Francisco market!





Proper Food

Whole Cakes

Sausalito Cafe

Oasis Grill

Lunettes Optometric


Bank of America


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

Get Started