333 Post Street

1. 1900

   Built.

2. May 1982

   Permit 8204090 $$$ $80,000

   Building use: ticket office.

3. 1991

   Union Square Garage was recorded as an unreinforced-masonry building of merit in the city's seismic-safety survey, which dated it to 1942.

   San Francisco Department of City Planning, Environmental Impact Report for an Ordinance to Require Seismic Retrofit of Unreinforced Masonry Buildings, Case No. 1990.832E, July 1991.
4. Dec 2000

   Approved Permit 200012208404 $$$ $700,000

   Demolition of park level.

5. Dec 2010

   Permit 201012015875 $$$ $200,000

   Acc barrier removal - restripe for revised accessible parking, revise/add signage, add railing & fencing at overhead obstructions.

6. Mar 2011

   Issued Permit 201103222548 $$$ $100,000

   Provide ada remediation i various places in union square.

7. May 2012

   Permit 201205100184 $$$ $16,126,562

   Partial demolition of union square plaza and garage, construction of new central subway union square/market street station entrance.

8. Nov 2013

   Issued Permit 201311182214 $$$ $214,000

   Installation of an automatic carbon monoxide sensing (amcs) system (to modulate existing garage ventilation system) 72 sensors total.

9. Jun 2014

   Permit 201406198884 $$$ $75,000

   Commissary-storage area, walk in freezer, clean up ara for carts. no sprinklers, life safety; maher not rquired.

10. Dec 2014

    Permit 201412294575 $$$ $100,000

    Corrective measures for access barriers at union square plaza. work includes granite permanant edge protection, granite cane detectors at bottom of handrails. concrete stepping stones on curves. handrails, guiderails, stairlight replacement, repair to water proofing. ref. #201103222548. n/a maher.

11. Jan 2017

    Permit 201701177232 $$$ $515,699

    Install 3 new fm-200 clean agent fire supression system, total 22 cylinders, to protect the following: 1)main electrical cn04/annex cn07, 2)train ctrl pl01/aux comm pl03, 3)comm equip mz05/gap breaker mz07. ref ti permit application 201205100184. preactions for each space under separate permit(s).n/a for maher ordinance.

12. Feb 2017

    Permit 201702280230 $$$ $12,000

    Install new standpipe system for new underground railway tunnels. connect to stations on future permits. compliance with maher ord 155-13.

13. Apr 2017

    Permit 201704133879 $$$ $1,100,000

    New water-based fire protection system for ums muni subway station. includes: standpipes within station, aboveground wet sprinklers, undercar track deluge, and 4 preaction systems. greatest demand 807.2 gpm @ 37 psi. ref pa 2012-0510-0184.

14. Dec 2017

    Permit 201712116154 $$$ $650,000

    Electrical works associated with the replacement of parking access and revenue control systems parcs equipment for the garage. (parcs) equipments are not part of this permit application. n/a for maher.

15. Oct 2018

    Permit 201810233849 $$$ $90,047

    Provide a new fire alarm system at the new chinatown light rail station. permit number: 2012-0510-0184.**maher n/a**.

16. Apr 2022

    Issued Permit 202204011386 $$$ $1,000,000

    Union square/market st station concourse level - construct 2 vendor kiosks; convert 2 existing storage to all gender accessible restroom; kiosks & all gender will include electrical and plumb for new lightings, power and new water use fixtures; existing undeveloped space to be renovated to a down-time room reserv.

17. Sep 2022

    Permit 202209192681 $$$ $100,000

    Installation of temporary ice rink, ticket booth, skate booth, canopies, lighting for evening skating.

18. Jul 2023

    Permit 202307132080 $$$ $150,000

    Installation of temporary ice rink, ticket booth, skate booth, canopies, lighting for evening skating.

19. Aug 2024

    Permit 202408269433 $$$ $150,000

    Installation and removal of temporary ice rink, skate shop, canopies, lighting for evening skating.

20. Jul 2025

    Permit 202507110656 $$$ $425,000

    2 new 24' speaker poles/footing at stage steps. new storage closet in existing storage room @ garage level 1.

21. Jul 2025

    Permit 202507231406 $$$ $150,000

    Installation and removal of temporary ice rink, skate shop, canopes, and lighting for evening skating.

22. Jun 2026

    Issued Permit 202606042500 $$$ $1,030,000

    New interior build-out. will consist of new custom millwork island, new food service equipment, new mechanical exhaust system and fire suppression system, new interior finishes, flour, paint and tile, new non load bearing, furring partition, revised fin/life safety/information, revise fire alarm.

23. Jul 2026

    Issued Permit 202607205247 $$$ $150,000

    Installation and removal of temporary ice rink, skate shop, canopes, and lighting for evening skating.

DBI holds 76 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 76. 1 of them are nominal $1 street-space or sidewalk permits. 4 expired permits are not shown.