Share This Listing

Message

964 characters remaining

Hmm, there seems to have been an error sending your message. Please try again.

Your email has been sent.

343 Sansome St
San Francisco, CA 94104
Office Property for Lease · 14,044 SF

Sublease Highlights

  • Full 14th-floor sublease opportunity totaling approximately ±14,044 SF.
  • Prime Financial District location with convenient access to regional transportation and downtown amenities.
  • Fully furnished plug-and-play creative office space.
  • Ground-floor retail and services including OrangeTheory Fitness, Mechanics Bank, and Manhattan Hub Deli.

Property Overview

343 Sansome Street offers a premier plug-and-play office opportunity in the heart of San Francisco’s Financial District. Available for sublease is the full 14th floor totaling approximately 14,044 square feet, featuring a fully furnished creative office environment with expansive waterfront views and a lease term available through July 14, 2028.

  • Bus Line
  • Property Manager on Site
  • Restaurant
  • Security System
  • Roof Terrace
  • Open-Plan

Property Facts

Building Type
Office
Year Built/Renovated
1929/1991
LoopNet Rating
4 Star
Building Height
16 Stories
Building Size
277,000 SF
Building Class
A
Typical Floor Size
16,432 SF
Unfinished Ceiling Height
13’
Parking
Surface Parking
Surface Tandem Parking
120 Covered Parking Spaces
Covered Tandem Parking
Reserved Parking

Sustainability

LEED Certified
Platinum
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: 41378513

  • Date on Market: 7/21/2026

  • Last Updated:

  • Address: 343 Sansome St, San Francisco, CA 94104

Link copied
Your LoopNet account has been created!

Please Share Your Feedback

We welcome any feedback on how we can improve LoopNet to better serve your needs.
X
{{ getErrorText(feedbackForm.starRating, "rating") }}
255 character limit ({{ remainingChars() }} charactercharacters remainingover)
{{ getErrorText(feedbackForm.msg, "rating") }}
{{ getErrorText(feedbackForm.fname, "first name") }}
{{ getErrorText(feedbackForm.lname, "last name") }}
{{ getErrorText(feedbackForm.phone, "phone number") }}
{{ getErrorText(feedbackForm.phonex, "phone extension") }}
{{ getErrorText(feedbackForm.email, "email address") }}