Know This Place

3639–3641 20th Street

Mission · San Francisco, CA 94110

  • Built 1912
  • Two-flat
  • 4 stories
  • Zoned RH-3
  • District 9
  • Historic status: historic resource
37.7582, −122.4222 Street View appears here once a Google Maps embed key is configured.
5,247 sq ftBuilding area
2,874 sq ftLot area
9Rooms · 4 bed, 5 bath

Permit history

  1. Sep 2020

    Installation of new sprinkler monitoring system. ref bpa#201909181982.

    Complete Permit 202009265151 $$$ $4,000
  2. Sep 2019

    Install 61 sprinklers throughout per nfpa#13r underground pr nfpa#24 ti 201705166649.

    Complete Permit 201909181982 $$$ $15,000
  3. May 2019

    Revision to permit application 201705166649 & permit application 201904168072. relocation and addition of new windows and new skylight and new finish at existing driveway. include regrading of side yard to match existing neighbor's grade.

    Complete Permit 201905079943 $$$ $1
  4. Apr 2019

    Revision to pa 2017-0516-6649 - minor reconfiguration to interior wall layout at all floors. scope of work does not include any exterior work revision.

    Complete Permit 201904168072 $$$ $1
  5. May 2017

    Interior: remove existing bdrm on 1st floor. relocate existing bdrm to new master bed & bath, lundry/storage @basement @rear.reconfig closets on 2nd floor. structural upgrades. reconfig bath & lvng rm @attic for newroof deck. exterior: replace existingwindows @front/side. existing front doors to remain with existing glazing.

    Complete Permit 201705166649 $$$ $150,000
  6. Jan 2017

    New storage, laundry, mechanical rm in e storage space at basement interior layout & modification to unit in 1st fl, expansion of 2nd unit into existing attic and new interior stairs. exterior work to include new skylights at existing roof only. scope includes fully automatic sprinkler sys(separate permit).

    Complete Permit 201701106842 $$$ $530,000
  7. Sep 2016

    Replace existing foundation. create new basement storage space @ rear area of 1st floor.

    Suspended Permit 201609218342 $$$ $50,000
  8. May 2009

    Light roof maintenance and repair of 3' rotten wood gutter & paint. gutten to be replace with copper. no structural changees repair in kind.

    Complete Permit 200905218933 $$$ $8,500
  9. Jan 2009

    Revision to permit application 2008-1003-3381-replace a portion of the east foundation, voluntary strengthening at ground floor level.

    Complete Permit 200901291010 $$$ $12,500
  10. Oct 2008

    Replace a portion of the west foundation. replace north foundation, voluntary strengthening at ground floor level.

    Complete Permit 200810033381 $$$ $30,000
  11. Oct 1999

    Renew permit application 9906660 for final inspection.

    Complete Permit 9920741 $$$ $1
  12. Apr 1999

    Dry rot repair on rear facade above & below deck-in kind.

    Expired Permit 9906660 $$$ $4,800
  13. Mar 1995

    Reroofing.

    Expired Permit 9502988 $$$ $6,000
  14. Jun 1992

    Pour concrete foundation for concrete block.

    Expired Permit 9210134 $$$ $3,200
  15. Oct 1990

    Vinyl siding (alside) to back of house from deck up.

    Complete Permit 9022390 $$$ $2,648
  16. Sep 1990

    Revision to.

    Complete Permit 9018846 $$$ $1
  17. Jul 1990

    Remodel upper unit kitchen and convert a part of it.

    Complete Permit 9013554 $$$ $8,000

3 nominal $1 street-space permits are omitted.

Not yet documented: the architect and builder, the early residents and the date of the last recorded sale. Know any of it? Tell us — just describe it in plain words.