3440 20th Street

Mission · San Francisco, CA 94110

  • Built 1965
  • 48-unit apartment building
  • 3 stories
  • Zoned RM-1
  • District 9
  • Historic status: unevaluated
37.7590, −122.4177 Street View appears here once a Google Maps embed key is configured.
31,086 sq ftBuilding area
12,512.5 sq ftLot area
129Rooms · 48 baths

Permit history

  1. Nov 2025

    Common area: structural wall repair. structural construction includes new studs, plywood and mudsill. nov# 202544910.

    Issued Permit 202511109275 $$$ $5,000
  2. Aug 2025

    Two units balcony repairs - sister severely deteriorated framing. repair minor deterioration with woodepox or approved equivalent. replace full stucco soffit vents.

    Complete Permit 202508062453 $$$ $25,000
  3. Aug 2022

    One unit. install 1 new clothes washer and dryer. no wall demolition.

    Complete Permit 202208170737 $$$ $4,500
  4. Jun 2022

    One unit - install one new clothes washer & dryer.

    Complete Permit 202206287306 $$$ $4,000
  5. Jun 2022

    One unit - install one new clothes washer & dryer.

    Complete Permit 202206287308 $$$ $4,000
  6. Jun 2022

    Fire as-built for permit application 201908027686. install additional fire devices as needed on ground level. new 9 adu units by installing new lf sounders in all sleeping areas & pull station, smoke, horn/ strobe in common area. ref adu permit application 202002184665.

    Complete Permit 202206156380 $$$ $10,000
  7. Jun 2021

    Provide fire sprinkler system on ground floor and new underground per nfpa 24. ref app#202002184665.

    Issued Permit 202106243147 $$$ $50,000
  8. Apr 2021

    #111. rehab bathroom, rehab kitchen, replace washer/dryer.

    Complete Permit 202104088156 $$$ $25,000
  9. Sep 2020

    Remove ~100 sq ft of existing dry rotted wood siding. replace in kind. not visible from street.

    Issued Permit 202009164262 $$$ $6,500
  10. Jun 2020

    One unit: convert existing kitchen to nook, relocate kitchen, rehabilitate existing bathroom, install washer/dryer.

    Withdrawn Permit 202006188880 $$$ $40,000
  11. Feb 2020

    Convert garage spaces into (9) new adu's per ordinance no. 162-16 for a building total of (48) units.

    Complete Permit 202002184665 $$$ $200,000
  12. Oct 2019

    One unit: kitchen (64sq ft), and bathroom (49sq ft) rehab. install washer and dryer(ventless).

    Issued Permit 201910083926 $$$ $20,000
  13. Aug 2019

    Upgrade existing fire alarm to comply with sffc 103.7.6.1 and nfpa 72.

    Complete Permit 201908027686 $$$ $40,000
  14. Feb 2018

    Streetspace.

  15. Nov 2017

    One unit: rehabilitate e bathroom, existing kitchen, install washer dryer.

    Complete Permit 201711033114 $$$ $25,000
  16. Sep 2017

    To comply with nov 201704961 stucco/exterior finish will be like kind to match. revision to pa 2017-0808-4260 structural repairs discovered after removing dry rot. dry rot was discovered during work done on pa 2017-0522-7311.

    Complete Permit 201709289790 $$$ $24,999
  17. Aug 2017

    Modification of permit application 201705227311. replace termite damage and dry rot on the botton balcony above the garage door. inkind repair of approx 20 sq ft of siding due to dry rot. less than 50%. in kind street facing.

    Complete Permit 201708084260 $$$ $5,000
  18. May 2017

    Replace 24 aluminum-framed windows and sliding doors in-kind and repair stucco to match around new window and door installations.

    Complete Permit 201705227311 $$$ $280,000
  19. Dec 2016

    One unit, 2nd floor: remodel existing bathroom, kitchen and add washer & dryer.

    Complete Permit 201612013899 $$$ $25,000
  20. Sep 2016

    2/f #114- remodel existing bathroom, remodel existing kitchen, add washer & dryer.

    Complete Permit 201609228499 $$$ $25,000
  21. Jun 2016

    One unit: kitchen remodel. new cabs, countertop, bathroom renovation: new fixtures and lighting, use existing tub.

    Issued Permit 201606089389 $$$ $20,000
  22. Jun 2016

    One unit: kitchen remodel: new cabs, countertop replacement. bathroom rneovation: new fixtures and lighting. tub replacement.

    Issued Permit 201606089391 $$$ $20,000
  23. Mar 2016

    One unit at 2nd floor. remodel existing bathroom, remodel existing kitchen. add washer and dryer. exhaust from range not visible from the street.

    Complete Permit 201603101705 $$$ $25,000
  24. Mar 2015

    One unit: remodel kitchen and washer and dryer, remodel bathroom.

    Complete Permit 201503100430 $$$ $30,000
  25. Feb 2015

    Convert 2 bedroom apartment into a studio & one bedroom apartment, add kitchen, bath and 2 with d, remodel kitchen & bath, turn one unit into 301 and 301b.

    Withdrawn Permit 201502138348 $$$ $30,000
  26. Oct 2014

    Remove all towerstream antennas & associated equipment to abate ces nov #201388452 & planning department complaint #12353.

    Complete Permit 201410169147 $$$ $500
  27. May 2014

    Administrative permit to document that original permit from 1962 bpa 298797 and seismic strengthening bpa 201203287017 complies with 2014 sfbc a4 - no work.

    Complete Permit 201405064996 $$$ $1
  28. Oct 2013

    Repair dry rot @ exterior on 2nd, 3rd & 4th (top) floor on north and south elevation, two locations, replacement in-kind.

    Complete Permit 201310240118 $$$ $15,000
  29. Oct 2013

    One unit - remodel kitchean and bathroom; replace cabinet light fixture, hood range, sink/faucet. closet door; replace bath tub, vanity sink, blinds, carpet, heater if broken, bath room fan if needed, toilet, tile floor; to compley cec 150(k) 8 & 10.

    Complete Permit 201310038330 $$$ $23,000
  30. Aug 2013

    One unit: remodel kitchen, paint, replace cabinet, light fixture and sink/faucet, closet door, blinds.

    Complete Permit 201308144346 $$$ $18,000
  31. Jul 2013

    Revision to permit application 2012.03.28.7017 - at request of building inspector, file as-built drawing shown field.

    Cancelled Permit 201307101457 $$$ $1
  32. Oct 2012

    One unit: renovate kitchen and bathroom. install new kitchen cabinets, new bathroom tub, toilet. update electrical. no structural work.

    Complete Permit 201210091654 $$$ $18,000
  33. Mar 2012

    Voluntary partial structural strengthening at ground floor.

    Complete Permit 201203287017 $$$ $100,000
  34. Apr 2011

    #311 - remodel 1 kitchen & paint, upgrade electrical, lighting to comply to cec 150 (k). no window, wall, door or ceiling work on this permit.

    Complete Permit 201104274922 $$$ $14,000
  35. Jan 2011

    One unit to comply with his nov 200924724 - replace all kitchen cabinets, new flooring, paint, angle stops & sinks, relocate circuit box, add gfi's upgrade wiring, add dishwasher, atleast 50% high efficacy lighting (by wattage), no change to exhaust system.

    Complete Permit 201101218816 $$$ $5,000
  36. Aug 2010

    Remodel kitchen and bathroom like for like plumbing & electrical, new cabinets & countertop new bath vanity, reglaze tub. three units.

    Complete Permit 201008319924 $$$ $60,000
  37. Jul 2008

    One unit: kitchen and bath remodel, no structural cabinets, counter tile in kind, florescent lights only.

    Complete Permit 200807146638 $$$ $25,000
  38. Jun 2008

    One unit: kitchen + 1 bath remodel, no structural, cabinets, counter, tile, fluorescent light.

    Complete Permit 200806235091 $$$ $25,025
  39. Jun 2008

    Work @ one unit only. kitchen & bath remodel. no structural. cabinets, counter, tile, florescent light.

    Complete Permit 200806174654 $$$ $25,100
  40. Jan 2008

    Two units: new kitchen & bath remodel, new cabinets, counters, tile & flourescent lights. no structural work.

    Complete Permit 200801041830 $$$ $40,000
  41. Dec 2007

    Two units. kitchen + bath remodel. no structural. cabinets, counters, tile, fluorescent light.

    Complete Permit 200712261298 $$$ $40,000
  42. Nov 2007

    Revision to app#200710044517. change one unit to one unit.

    Complete Permit 200711309345 $$$ $1
  43. Oct 2007

    One unit.kitchen/bathroom remodel in kind. no structural changes. no window door or wall alterations. kitchen at least 50% of lighting wattage must be fluorescent. bath fluorescent or motion controlled sensor exhaust termination 3' min from pl & building openings.

    Complete Permit 200710044517 $$$ $21,000
  44. Oct 2007

    One unit.kitchen/bathroom remodel in kind. no structural changes. no window door or wall alterations. kitchen at least 50% of lighting wattage must be fluorescent. bath fluorescent or motion controlled sensor exhaust termination 3' min from pl & building openings.

    Complete Permit 200710044518 $$$ $21,000
  45. Sep 2007

    One unit- kitchen/bathroom remodel inkind.no structural changes. no window door or wall alteration. kitchen: at least 50% of lighting wattae must be flourscent.bath: fluorescent or motion controlled sensor.exhaust termination 3' min. from p.l. & building. opening.

    Complete Permit 200709172781 $$$ $21,000
  46. Sep 2007

    #206- kitchen/bathroom remodel in kind.no structural changes, no window door or wall alterations. kitchen: at least 50% of lighting wattage must be fluorescent. bath: fluorescent or motion controlled sensor. exhaust termination 3' min. from pl. & building. opening.

    Complete Permit 200709061897 $$$ $22,000
  47. Aug 2007

    One unit. kitchen/bathroom remodel in kind. no structural changes. no window door or wall alterations. kitchen: at least 50% lighting wattage must be fluorescent. bath: fluorescent or motion controlled sensor. exhaust termination 3' min from pl. & building openings.

    Complete Permit 200708220588 $$$ $20,000
  48. Aug 2007

    One unit. kitchen/bathroom remodel in kind. no structural changes. no window door or wall alterations. kitchen: at least 50% lighting wattage must be fluorescent. bath: fluorescent or motion controlled sensor. exhaust termination 3' min from pl. & building openings.

    Complete Permit 200708220591 $$$ $22,000
  49. Jul 2007

    Work @ one unit only. kitchen / bathroom remodel in kind.no structural changes. no window, door or wall alterations. kitchen at least 50% of lighting wattage must be fluorescent. bath fluorescent or motion controlled sensor. exhaust termination 3' minium from property line & building openings.

    Complete Permit 200707136669 $$$ $15,000
  50. Jul 1999

    Repair dry rot and replace six windows.

    Complete Permit 9914319 $$$ $20,000
  51. Sep 1998

    Reroofing.

    Expired Permit 9818571 $$$ $42,750
  52. Sep 1992

    Reroofing.

    Expired Permit 9216822 $$$ $25,000

7 nominal $1 street-space permits are omitted.

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