540–548 Market Street

1. 1913

   Built.

2. 1913

   The Flatiron Building, designed by architect Charles I. Havens.

   Architecture, Planning & Preservation Professionals: A Collection of Biographies, adopted 2021
3. February 1, 1913

   Announced as the Meyer & Liebes Building: ten storeys and basement, Class A, a steel frame with reinforced-concrete walls and floors, about 100 offices and four stores, estimated at $150,000 and due early in 1914; designed by Havens & Toepke. Site as recorded: The Meyer & Liebes building, corner of Market, Sutter and Sansome streets.

   The San Francisco Call, 1 February 1913, p. 11
4. 1976

   The Bisexual Center, founded in 1976 as the first specifically bisexual organisation in the United States, operated from offices here, offering counselling and publishing the newsletter Bi Monthly from 1976 to 1984.

   Donna J. Graves and Shayne E. Watson, Citywide Historic Context Statement for LGBTQ History in San Francisco, San Francisco Planning Department, adopted by the Historic Preservation Commission November 18, 2015
5. 1982

   Designated San Francisco Landmark No. 155, Flatiron Building.

   SF Planning, landmark designation
6. May 1984

   Permit 8404980 $$$ $57,000

   Complete remodel walls floors ceiling, electrical plumbing.

7. Nov 1990

   Permit 9024098 $$$ $90,000

   Build a restaurant with 595 sq ft.

8. 1991

   Flatiron Building was recorded as an unreinforced-masonry building of merit in the city's seismic-safety survey, which dated it to 1913.

   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.
9. Jan 1991

   Permit 9101385 $$$ $30,000

   Interior improvements to convert to retail candy sales.

10. Aug 2008

    Permit 200808088762 $$$ $85,000

    1st floor t.i. includes building out of a full height non-structural partitions. new restroom. hvac, electrical, plumbing on separate permit.

11. Aug 2014

    Issued Permit 201408063168 $$$ $25,000

    Replace existing hvac unit. n/a for the maher ordinance #155-13.

12. Aug 2014

    Issued Permit 201408254635 $$$ $35,000

    Floors: 4th & 5th: removal of interior partitions & finishes, spare to remain unoccupied per ab-017. maher n/a.

13. Mar 2015

    Permit 201503302186 $$$ $120,000

    Interior t.i., new non structural partitions & finishes throughout 4/f & 5/f restroom & elevator lobby upgrades. n/a ordinance #155-13.

14. Jun 2015

    Permit 201506098463 $$$ $150,000

    5th floor: interior t.i. for a speculative suite. new conference, break, and finishes throughout. mep, fire, life safety sprinkler, and elevator upgrade under seperate permit. n/a for maher.

15. Jul 2015

    Permit 201507292819 $$$ $30,000

    Demolition only, no new construction. demolition of non-structural partitions, millwork and light fixtures. suite to remain unoccupied until tenant improvement permit is filed, under ab-17. n/a for the maher.

16. Sep 2015

    Permit 201509237858 $$$ $18,800

    Voluntary fire alarm control unit replacement: r&r - 1 fire alarm control unit, 1 remote led annumciator, 1; ed annunicator expander, 24 pull stations, 13 smoke det. n/a for maher.

17. Dec 2015

    Permit 201512235867 $$$ $150,000

    7th and 8th floor: interior t.i. for spec suite. new conference break and finishes throughout. 7th and 8th floor restroom and elevator lobby upgrades mep fire life safety and spinkler under separate permit.

18. Feb 2016

    Issued Permit 201602038767 $$$ $70,000

    1st floor - demolition of non-bearing patitoins, stair & partial mezzanine floor, suite to remain unoccupied until a tenant improvement permit is filed - per ab-017. n/a maher ordinance.

19. Feb 2016

    Issued Permit 201602240429 $$$ $40,000

    Demolition only 3rd floor, including removal of non structural partition, suspended ceilings, lights, millwork, plumbing and finishes. construction of ti, mep fire/life safety under separate permit. suite to remain unoccupied until a tenant improvement per ab-017.

20. Nov 2016

    Permit 201611173056 $$$ $199,201

    7/f: interior ti spec suite, 7th fl new partitions, electrical, pwr/comm and finishes. mep fire life safety and sprinklres under sep permit; maher ord 155-13 na.

21. Nov 2016

    Permit 201611293636 $$$ $19,000

    8/f: ti revision to pa 2015-1223-5867 - new layout, new tele/data, new undermount sink, new light fixtures, revised finish schedule/locations and reverse new door swings & new door type. mep fire life safety under separate permit.

22. Dec 2016

    Permit 201612094571 $$$ $19,000

    8th floor: complete revision to 201611293636 & 201512235867 ti- new conf rm, break, phone rms and lights/electrical & finishes. mep/fire/life safety under sep permit. (no work on 7th floor. under this permit; 7th floor. work under separate permit.) maher na.

23. Jan 2017

    Permit 201701247796 $$$ $74,725

    6th floor restroom interior improvement: new finishes, fixtures and accessories. mep, fire, life safty under seperate permit.

24. May 2017

    Filed Permit 201705116325 $$$ $140,000

    Ground floor: remove existing non historical canopies & awnings at storefront. wash, clean and paint surfaces on exterior from grnd floor to 3rd floor. remove existing wells fargo atm and demising walls. new storefront @ atm. ele for future atm.

25. Apr 2019

    Issued Permit 201904117685 $$$ $13,500

    To erect (2) non-electric, wall, projecting, double faced signs. (see's candies).

26. Sep 2020

    Permit 202009013102 $$$ $208,838

    Reroofing. must comply with cool roof requirements 2019 cec 141.0(b)2b.

DBI holds 75 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 75. 2 of them are nominal $1 street-space or sidewalk permits. 4 expired or cancelled permits are not shown.