432–436 Jackson Street

1. 1855

   Possibly the fireproof four-storey Tremont Hotel of 1855, later cut down to two storeys; it was the Tremont until 1870 and the White House Hotel until 1886, with the showroom of the Pioneer Steam Marble Works in one of its two shops. The present front — five bays with brick arches where the hotel had seven with cast-iron pilasters — leaves the identification open.

   SF Planning, landmark designation
2. 1907

   Built.

3. June 26, 1969

   The City Planning Commission approved designating the Yeon Building a city landmark, with the owner's support.

   San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)
4. 1970

   Designated San Francisco Landmark No. 24, Yeon Building.

   SF Planning, landmark designation
5. Feb 1986

   Permit 8602001 $$$ $15,000

   Roof parapet.

6. Sep 1994

   Permit 9414830 $$$ $20,000

   To comply umb ordinance.

7. Dec 2001

   Issued Permit 200112145328 $$$ $30,000

   Rev.appl#200103265265 install new sidewalk to dpw standard, automatic door opener i/l level landing.

8. Aug 2018

   Withdrawn Permit 201808238211 $$$ $25,000

   To comply with nov 201851151. to legalize dwelling unit on 2nd fl. of building, art gallery to remain on ground fl. accessory dwelling unit per planning code 204.

9. Dec 2018

   Permit 201812218971 $$$ $4,000

   To comply with nov 201851151. renovation on 2nd fl at 432 jackson st in order to legalize dwelling unit per ord# 43-14. maher n/a.

10. Nov 2020

    Permit 202011309841 $$$ $450,000

    Commercial core shell: remove 1 existing stair to basement & skylight. level 1 provide 2 new ada bathrooms & t.i.. level 2 provide 1 new ada bathroom & t.i.. roof provide skylight.

11. Nov 2020

    Permit 202011309797 $$$ $106,000

    432-434-436 jackson st: demolition work in basement, levels 1 & 2: no exterior work: demolition existing fixtures and finisehs including casework, non-structural partitions, suspended ceiling and existing lighting. ab-017.

12. Mar 2021

    Filed Permit 202103237122 $$$ $40,000

    Install 4" cl52 cldi underground and dcda from curb to riser and new sprinkler system for existing commercial building being remodeled. ref. permit application 2020-1130-9841.

13. Jun 2021

    Permit 202106142343 $$$ $310,000

    Interior non-structural t.i. new partitions, flooring, ceiling, new pantry, cabinetry, mopsink, new electrical & lighting. no exterior work. mechanical & sprinklers under separate permit. ref permit application 202011309841.

14. Jun 2021

    Issued Permit 202106233081 $$$ $40,000

    New electrical for restrooms, common area and ti space, original permit permit application 2020-1130-9841 n/a maher.

15. Jun 2021

    Issued Permit 202106253211 $$$ $68,300

    Reroofing. to comply with cool roof requirements per 2019 california energy code 141.0(b)2b. remove existing roofing on flat roof, install 2 ply app utia-wite comp sheet roof.

16. Jul 2021

    Permit 202107013633 $$$ $140,000

    Add 2 rooftop heat pump units, add 2 furnaces and 2dx couls/air conditioning units, add 3 path exhaust fans. provide ductwork, refregerant piping, and controls for heat pump & ac systems.

17. Jul 2021

    Permit 202107265065 $$$ $25,000

    Add one roof air conditining unit & thermostate, add 1 exhaust fan, add supply & return air grilles, new ductwok, and air balance.

18. Aug 2021

    Permit 202108055871 $$$ $320,000

    Interior non - structural t.i., new partitions, flooring, ceiling, new electrical and new lighting.

19. Aug 2021

    Permit 202108196708 $$$ $10,000

    Installation of fire sprinkler monitoring system.

20. Sep 2021

    Permit 202109228920 $$$ $35,000

    Install new 6" cl52cldf underground and new nfpa13 system throughout (133 heads). ref permit application s: 201812218971; 202011309841; 202106142343; 202107013633; 202108055871.

21. Sep 2021

    Permit 202109239030 $$$ $12,000

    Structural repair at basement, 1st and 2nd floor. no new structural work. reference permit 202011309841. repair work include joise sistering, improved floor framimg to wall connection, etc.

22. Feb 2022

    Permit 202202117841 $$$ $12,000

    Revision to pa 2020-1130-9841 - no structural work to be done; basement - relocate existing doors to meet egress & ada requirements; level 1 - add door for seurity @ hallway; level 2 - no revised work. roof-no work; exterior - no work.

23. Sep 2022

    Permit 202209132339 $$$ $20,000

    Level 1: remove existing fixed window and restore back to double doors at retail front on the left side of the building on jackson st. doors to match double doors on the right side of the building. replace existing hardware for both existing doors to provide uniform look for all (3) entries.

24. Oct 2022

    Permit 202210134272 $$$ $20,000

    Construction of a new accessory office with storage loft above and a new bar at the work room within existing art gallery.

DBI holds 35 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 35. 4 expired or cancelled permits are not shown. The building is dated 1855 in its landmark designation; the assessor's roll gives 1907. Whether this is the 1855 Tremont Hotel, cut down from four storeys, is unsettled: the hotel had seven bays with cast-iron pilasters where the building has five with brick arches, and the assessor's roll dates the building to 1907.