726–730 Polk Street

1. 1922

   Recorded in the city's survey of the Van Ness Avenue automobile corridor as built for use as an auto accessories store. Designed by W. L. Schmolle for Chanslor and Lyon's wholesale automobile supplies and tire store, which the San Francisco Examiner called the largest on the Pacific Coast given over entirely to automotive equipment. Tan and buff brick, with shields lettered C&L for the first occupant.

   Van Ness Auto Row Support Structures survey, adopted 2010
2. Oct 1984

   Remove some existing windows, non bearing walls structural.

   Complete Permit 8411146 $$$ $2,400,000
3. Dec 1984

   Demolish existing interior non-structural partitions.

   Complete Permit 8412845 $$$ $55,000
4. Jan 1985

   Relocate or add sprinklers to existing sprinkler system.

   Complete Permit 8500816 $$$ $50,000
5. Sep 1985

   Add new walls for rental areas.

   Complete Permit 8510718 $$$ $175,000
6. Jan 1986

   Renovation of a renovated building into a cafe (1500 sq ft.).

   Complete Permit 8600725 $$$ $60,000
7. Sep 1986

   Interior office remodel.

   Complete Permit 8611658 $$$ $66,000
8. Jul 1990

   Cti one.

   Expired Permit 9015149 $$$ $37,500
9. Sep 1990

   Remodel partial floor for office use add to & alter existingparti.

   Cancelled Permit 9018262 $$$ $27,000
10. Jan 1993

    Convert groundfl into headstart/add bathrm, storage area.

    Expired Permit 9300935 $$$ $33,000
11. Sep 1996

    Demolish and preceed a complete const document permit.

    Complete Permit 9617338 $$$ $30,000
12. Oct 1996

    Install elevator for b-2 floors remodel 1st floor.

    Expired Permit 9620444 $$$ $1,600,000
13. Jan 1997

    Cti-1 el me sp 4th floor.

    Expired Permit 9701840 $$$ $50,000
14. Oct 1997

    Vertical addition.

    Complete Permit 9721440 $$$ $30,000
15. 2010

    Evaluated in the city's survey of the Van Ness Avenue automobile corridor and given California Register status code 3CS — individually eligible for the California Register, under Criteria 1, 2 and 3.

    Van Ness Auto Row Support Structures survey, adopted 2010
16. Sep 2011

    Modification of an existing wireless communications equipment (radio cabinets & antennas) & installation of 5 radio cabinets, one dc power rack & one battery rack in the basement. adding 9 antenna panels to an existing rooftop penthouse behind new rfp screen wall. appurtenant coax cable & cable tray.

    Complete Permit 201109305863 $$$ $115,445
17. Apr 2017

    Att modification: r/r 6 e antennas with 6 new antenneas, install 6 new rrus, new fiber trunk, r/r e evs 41 with new dos 5216 + 2 xmu, remove e dvs41, 3 e dtmas maher not req.

    Complete Permit 201704144048 $$$ $35,000
18. Apr 2018

    Att modification: r/r 6 existing antennas with 6 new antennas; install 6 new rru's and other small equipment. install striping per emf report. n/a for maher.

    Complete Permit 201804267474 $$$ $36,000
19. Mar 2020

    Tenant improvement of existing office space, new non-structural partitions & electrical work for offices, conference room, copy room, and break room at 4th fl. n/a maher.

    Complete Permit 202003066358 $$$ $145,000
20. Nov 2020

    Install (1) illuminated double-faced projecting wall sign on polk st side of 4-story building. "project open hand".

    Issued Permit 202011249630 $$$ $25,000
21. Dec 2021

    At&t: remove & replace 6 antennas, r&r 9 rru; with 6 nw rrus; 3 nw diplexers. remove 2 existing rbs 2206 cabinet, 1 dc power plant & install 1 nw 7100 dc power plant. install 20 155ah batteries in existing rack. install 12 190 ah batteries in nw 7100 dc, & 8 in existing battery rack, 11 rectifiers in 7100 cab.

    Complete Permit 202112033621 $$$ $90,000
22. Dec 2021

    Install new ductless hvac system with (1) 2 ton condenser & (2) 1 ton fan coils, condensate to tie intao existing drain. electrical excluded.

    Complete Permit 202112154505 $$$ $37,261
23. Nov 2022

    Att&t modification of an unmanned telecom facility consisting of: remove and replace 3 antennas; 6 rru's; install 6 back to back mounts; new rf safety signs and modify stripping on roof; install new eme barriers & gates; one new rectifier and one sub-panel.

    Cancelled Permit 202211106272 $$$ $35,000
24. Aug 2023

    4/f: t.i., office space with new exam rooms, no structural partitions at 4th floor of 4 story building.

    Complete Permit 202308184711 $$$ $35,000
25. Apr 2025

    2-3rd/floors: interior remodel on 2nd and 3rd floors due to water damage. all new walls are non-load bearing. mep deferred.

    Complete Permit 202504285312 $$$ $150,000
26. Nov 2025

    Modification of an att&t unmanned existing wireless facility: r/r 3 antennas & 3 rrus. install 2 conversion upgrade kit; converter/rectafier expansion shelf: 10 converters & 3 50 amps dc breakers in existing netsure 7100 power plant. install rf safety signage, strippings & burricades per rf report.

    Complete Permit 202511250386 $$$ $45,000

DBI holds 79 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 79. 9 of them are nominal $1 street-space or sidewalk permits.