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100 First St
San Francisco, CA 94105
100 First · Office Property for Lease · 23,298 SF

Sublease Highlights

  • Full-floor sublease opportunity with exclusive floor identity.
  • Features 20 conference rooms, a large kitchen with lounge seating, and four wellness or phone rooms.
  • Located adjacent to the Salesforce Transit Center with access to BART, Muni, and regional transit services.
  • Plug-and-play creative office environment with IT and AV systems already in place.
  • Abundant natural light and views overlooking Salesforce Park.
  • Building amenities include showers, lockers, bike parking, valet parking, on-site retail, public WiFi, and 24/7 security.

Property Overview

Full-floor sublease opportunity at 100 First Street, a 27-story Class A office tower located in San Francisco’s South Financial District. The available 4th-floor premises is offered as a plug-and-play creative workspace featuring exposed ceilings, polished concrete finishes, and infrastructure already in place for immediate occupancy. The space includes more than 215 sit/stand workstations, 20 conference rooms, a kitchen with lounge seating, and four wellness rooms that can also function as private phone rooms. The building combines modern operations with a highly connected downtown location adjacent to the Salesforce Transit Center. Occupiers benefit from direct access to regional transit options, including BART, Muni, Golden Gate Transit, and the Central Subway, while maintaining convenient connectivity to the Bay Bridge, San Francisco International Airport, and Oakland International Airport. The space also offers views of Salesforce Park and abundant natural light throughout the floor. Building amenities include bike parking, lockers, showers, valet parking, public WiFi, multiple on-site retailers, and 24/7 security. A publicly accessible garden terrace, recognized among San Francisco’s notable privately owned public open spaces, further enhances the workplace environment. This opportunity provides a turnkey solution for organizations seeking a full-floor identity in one of San Francisco’s most transit-oriented office locations.

  • Courtyard
  • Dry Cleaner
  • Property Manager on Site
  • Restaurant
  • Security System
  • Roof Terrace
  • Outdoor Seating
  • Balcony

Property Facts

Building Type
Office
Year Built
1988
LoopNet Rating
4 Star
Building Height
27 Stories
Building Size
480,457 SF
Building Class
A
Typical Floor Size
17,795 SF
Unfinished Ceiling Height
11’
Parking
Surface Parking
170 Covered Parking Spaces

Sustainability

LEED Certified
Gold
LEED certification is a globally recognized symbol of sustainability achievement.

Sustainability

LEED Certification Developed by the U.S. Green Building Council (USGBC), the Leadership in Energy and Environmental Design (LEED) is a green building certification program focused on the design, construction, operation, and maintenance of green buildings, homes, and neighborhoods, which aims to help building owners and operators be environmentally responsible and use resources efficiently. LEED certification is a globally recognized symbol of sustainability achievement and leadership. To achieve LEED certification, a project earns points by adhering to prerequisites and credits that address carbon, energy, water, waste, transportation, materials, health and indoor environmental quality. Projects go through a verification and review process and are awarded points that correspond to a level of LEED certification: Platinum (80+ points) Gold (60-79 points) Silver (50-59 points) Certified (40-49 points)

  • Listing ID: 41279874

  • Date on Market: 2026-07-14

  • Last Updated:

  • Address: 100 First St, San Francisco, CA 94105

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