37.7665, −122.4534 A locator map appears here once a Mapbox token is configured.
Know This Place

District 5 · Block 1263, Lot 006 · ZIP 94122

510–520 Frederick Street

42-unit apartment building · Inner Sunset

  • 4 stories
  • 26,400 ft2
  • 7,636 ft2 lot area
  • 115 rooms
  • 42 bathrooms
  • Wood frame
  • Zoned NC-1
  • Not a historic resource
  • Sold June 2, 1995
Land$1,200,969
Improvements$3,695,375
Total assessed$4,896,344
37.7665, −122.4534 Street View appears here once a Google Maps embed key is configured.
  1. 1907

    Built.

  2. August 11, 1964

    Photographed.

    San Francisco Subjects Photograph Collection (SFP 162), San Francisco Public Library
  3. January 1967

    The Diggers' second Free Store opened here in January 1967.

    Donna Graves for San Francisco Heritage, Citywide Historic Context Statement for Counterculture (1965–1975), San Francisco Planning Department, adopted 17 July 2024
  4. Jun 1982
    Permit 8205062 $$$ $350

    Building use: apt.

  5. Oct 1994
    Permit 9417657 $$$ $25,000

    Repair fire damaged one unit, reglaze windows. rep. floorbrd.

  6. May 2000
    Permit 200005150020 $$$ $40,000

    One stop (mt)install one antenna on outside of parapet.

  7. Nov 2001
    Permit 200111294192 $$$ $1

    Fire damage repair- fire inspection.

  8. Dec 2001
    Issued Permit 200112215819 $$$ $45,000

    Installation of 3 antennas + g p s antenna: (2) panel antennas to be mounted onto outside wall of ex.

  9. Feb 2002
    Issued Permit M19000 $$$ $500,000

    Street space.

  10. Jun 2002
    Permit 200206078523 $$$ $71,740

    On 1st floor, remove water damaged (firemen) suspened ceiling, repair & reinstall. patch damaged gyp.b.

  11. Jun 2002
    Permit 200206259874 $$$ $27,800

    Fire sprinker system exclude commercial space.

  12. Oct 2002
    Permit 200210219483 $$$ $70,000

    Install fire alarm system with panel, announciator, bell, smoke detectors, pull station, horn/strobes.

  13. Jan 2006
    Permit 200601273239 $$$ $25,000

    Accessory use wireless site - consists of 1 antenna & 2 equipment cabinets.

  14. Sep 2007
    Permit 200709112295 $$$ $75,000

    Replace storefront windows and doors. repair dry rot, install new tiles at 1st floor facad and at entries to the stores at bottom and stucco above.

  15. Nov 2009
    Permit 200911131228 $$$ $45,000

    Modification in design per case 20060797c. installation of 1 equipment rack in existing sprint shelter in basement. 3 rf panel antennas on penthouse on roof and 1 gps antenna.

  16. May 2012
    Permit 201205311625 $$$ $45,000

    Remove 3 sprint antennas, install 3 new panel antennas on roof top. remove 2 equipment cabinets & install 2 new cabinets in existing lease area in the basement.

  17. Nov 2012
    Issued Permit 201211093928 $$$ $20,000

    Dry rot repair and foundation repair at east side of building, work is only at 1st floor and basement. stucco replacement at facade as required to per form dry rot repair.

  18. May 2014
    Permit 201405135605 $$$ $20,000

    Existing t-mobile micro wireless facility - replace existing equipment cabinet with new cabinet.remove 3 existing cabinets. add 1 cabinet & gps antenna.

  19. Oct 2018
    Permit 201810102822 $$$ $20,000

    Swap out equipment.

  20. Nov 2018
    Permit 201811196285 $$$ $25,000

    Compliance with mandatory soft story retrofit program, cebc 2016 app a4 & sfebc 2016 chp 4d. residential complies with #201803560.

  21. Nov 2018
    Permit 201811196283 $$$ $75,000

    Compliance with mandatory soft story retrofit program, cebc 2016 app a4 & sfebc 2016 chp 4d. commercial complies with #201803560 ces.

  22. Sep 2020
    Permit 202009234793 $$$ $25,000

    T-mobile remove & install 3 antennas & radios, xmu & other equipments.

  23. Aug 2022
    Issued Permit 202208261366 $$$ $12,000

    Sprint has contracted velex to remove existing equipment, including electrical connections, off the exiting rooftop telecommunications site. repair/patch all finishes in kind.

  24. Aug 2022
    Issued Permit 202208301540 $$$ $68,000

    Dish wireless propose to install 3 antennas, 1 persector, (6) rru's (2 per sector) (3) antenna mounts and an euipment cabinet on the rooftop. install (1) sector at three locations on roof both power and fiber lines will be placed in new cable tray on rooftop.

  25. Apr 2023
    Issued Permit 202304075274 $$$ $38,000

    Revision to permit application 202208301540, revision to as-built structural correction needed.

  26. Jul 2026
    Filed Permit 202607245515 $$$ $80,000

    Remove 6 antennas, 3 rru, 1 cabinet and cabling. install 3 antennas, 6rru, 2 cabinets and cabling. all scope will occur with the existing footprint.

DBI holds 50 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 50. 4 of them are nominal $1 street-space or sidewalk permits. 2 expired or cancelled permits are not shown.

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