343 Sansome Street

343 Sansome Street, San Francisco, CA 94104

Property Information

  • For Lease Contact for pricing
  • Property Type Office
  • Property Size 245,000 SF
  • # of Floors 16
  • Building Class A
  • Year Built 1990
  • Date Updated Sep 21, 2026

Description

Project includes restored existing bldg and addition of two office floors plus a penthouse. The final structure incorporates the adjacent building as a new office/retail facility with underground parking. Energy Star labeled in 2000 & 2008.

1 Space Available

Suite 1400

Space Type

Office

Lease Rate

Negotiable

Total Space

14,044 SF

Floor

14

Divisible Space

14,044 - 14,044 SF

Available Date

Immediate

Lease Type

Full Service

Renewal Option

No

Sublease

Yes

Sublease Expiry

Jul 31, 2028

Space Number

1400

Contacts

Location

Located at 343 Sansome Street, San Francisco, CA 94104, this property is part of the Financial District - Barbary Coast neighborhood and San Francisco market.

Contact 343 Sansome Street
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