37.7887, −122.4030 A locator map appears here once a Mapbox token is configured.

57–65 Post Street

Financial District · San Francisco, CA 94104

  • The Mechanics' Institute
  • Built 1909
  • Commercial office
  • 9 stories
  • Article 10 individual landmark
37.7887, −122.4030 Street View appears here once a Google Maps embed key is configured.
59,751 sq ftBuilding area
6,991 sq ftLot area
112Rooms
3Units
  1. Dec 1854

    The Mechanics' Institute was founded in the slump that followed the fall in gold production, to give under-employed miners, artisans and tradespeople somewhere to learn and meet.

    The Argonaut, vol. 30 no. 1, Summer 2019
  2. 1866

    The Mechanics' Institute bought the lot it still occupies on Post Street.

    The Argonaut, vol. 30 no. 1, Summer 2019
  3. Jul 2004

    Life-safety work on all floors.

    Complete Permit 200407229495 $$$ $175,000
  4. Sep 2011

    Barrier removal — an accessible countertop added at the library checkout desk on the second floor.

    Complete Permit 201109225299 $$$ $32,000
  5. May 2016

    Change of use from bank to bar at 65 Post Street — the commercial tenant space remodelled and its bathrooms made accessible.

    Complete Permit 201605056614 $$$ $86,400
  6. Jun 2019

    Drywall around the windows repaired and replaced after water damage, with baseboards and carpet renewed in the affected areas.

    Complete Permit 201906214147 $$$ $100,000
  7. Sep 2021

    In-kind masonry repairs to the east elevation — loose material removed from scaffolding, deteriorated plaster parge coat, loose brick tie-backs and lintels repaired in kind, and the windows painted in place.

    Issued Permit 202109108120 $$$ $750,000
  8. Sep 2025

    Re-roofing, with hot works.

    Complete Permit 202509034426 $$$ $12,000
  9. Jul 2026

    Second and third floors — individual study rooms built out on the third floor, finishes updated, walls and ceilings repainted, floors carpeted, woodwork stained, light fittings and casework replaced, and cooling added to the third-floor IT closet.

    Filed Permit 202607155065 $$$ $1,880,000

Seven of the 104 filings on this parcel are shown; the rest are sign and street-space permits, revisions to the permits above, and the duplicates DBI files under 57, 61 and 65 Post Street.

Not yet documented: the architect and builder of the present building; what stood on the lot between the Institute's purchase in 1866 and the 1909 date the assessor's roll and SF Planning both give this one. Submit an update