Know This Place
37.7590, −122.4153 A locator map appears here once a Mapbox token is configured.

3318–3330 20th Street

Mission · San Francisco, CA 94110

  • Built 1920
  • Assessor class: vacant lot
  • 1 story
  • Zoned NC-2
  • District 9
  • Historic status: historic resource
37.7590, −122.4153 Street View appears here once a Google Maps embed key is configured.
23,278 sq ftLot area
20Rooms · 5 baths
  1. 1920

    Built as an industrial building, recorded as occupied by National Radio Co., makers of military-grade HF/VHF radios. Designed by Henry C. Smith.

    Showplace Square / Northeast Mission Historic Resource Survey, adopted 2011
  2. Feb 1984

    Foundation changes.

    Complete Permit 8401760 $$$ $2,500
  3. Mar 1993

    Parapet bracing.

    Expired Permit 9303661 $$$ $10,000
  4. Oct 1998

    Umb retrofit - special procedure.

    Expired Permit 9822370 $$$ $85,000
  5. Dec 1999

    Interior non struct. demolition.

    Complete Permit 9926360 $$$ $1,000
  6. Jan 2000

    Voluntary seismic upgrade/voluntary accessibility upgrade.

    Complete Permit 9926910 $$$ $60,000
  7. Feb 2000

    Install automatic fire sprinklers system.

    Expired Permit 200002222463 $$$ $65,000
  8. Nov 2003

    For final inspection only 9926910.

    Complete Permit 200311200712 $$$ $100
  9. Jun 2017

    Administrative permit to document and memorialize 16, 376 sq ft of trade shop. no construction under this permit. mezzanine level previously approved for office and storage under bpa 275605.

    Issued Permit 201706088831 $$$ $1
  10. Aug 2017

    Change of use from trade shop to restaurant & retail work limited to sw corner of building. adj. tenant space nic. conditional use authorization per permit application 2017.006766cua as per mission interim controls. ** maher: n/a **.

    Filed Permit 201708043948 $$$ $600,000
  11. Dec 2022

    Tenant improvement of existing space into pottery studio with kiln. new sinks. no exterior work.

    Complete Permit 202212198662 $$$ $47,200
  12. Jul 2024

    Per permit application 0992690 & 202212198662, add address to new ti at 587 shotwell at apn 3594/011. approval by building inspector j.o.

    Issued Permit M1233987 $$$ $280
  13. Jun 2025

    New stairs from mezzananine to first floor.

    Complete Permit 202506027710 $$$ $6,000
  14. Mar 2026

    Revision to permit application 202506027710 to add new detail for steel column to be supported by existing footing add special inspection item. bolts installed in existing concrete.

    Complete Permit 202603127481 $$$ $1
  15. Jul 2026

    Please update scope of work & construction cost. thanks.

    Filed Permit 202607295746

Not yet documented: the developer and the early tenants. The roll classes this parcel as a vacant lot and also gives it a build year of 1920. Submit an update