4440 20th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1917
  • 2-unit TIC building
  • 1 story
  • Zoned RH-2
  • District 8
  • Historic status: unevaluated
37.7578, −122.4376 Street View appears here once a Google Maps embed key is configured.
2,015 sq ftBuilding area
2,748 sq ftLot area
9Rooms · 2 baths

Permit history

  1. Mar 2026

    Front building: remove existing cernamic tiles in master bathroom on 1st floor and replace in kind. approx 50 sq ft.

    Issued Permit 202603056967 $$$ $2,500
  2. Jul 2025

    (front) revise p/a #2025-0421-4831 to remove the previously approved all skylight installation bathroom and aboved stairs from the approved scope of work.

    Complete Permit 202507211195 $$$ $1
  3. Jun 2025

    Reroofing: remove and replace roofing material / existing roofing material (in-kind).

    Complete Permit 202506209112 $$$ $28,000
  4. Apr 2025

    Main house rear ext. stairs reconfiguration; stair from 2nd fl to the ground fl to be taken out. infill existing door to the stairs to create new window. extend deck landing on ground floor; new fire wall along property line @ rear stairs with new footing; add skylights @ bathroom & above interior stairs.

    Complete Permit 202504214831 $$$ $10,000
  5. Aug 2024

    2nd floor: remove and replace existing ceramic floor tile in 2nd fl guest bathroom in kind. approx. 35 sq ft. no other modification to the space.

    Complete Permit 202408098312 $$$ $3,700
  6. Jun 2024

    To obtain final inspection for work approved under permit application 201602048790, 200411159146, 200010052434. all work is complete.

    Complete Permit 202406104113 $$$ $1
  7. Feb 2024

    Revision to permit# 202307172273: remove and replace (16) windows retrofit. same size and location. not street visible.

    Complete Permit 202402226332 $$$ $40,290
  8. Sep 2023

    Remove closet doors in kitchen and install new cabinets and new electrical outlets.

    Complete Permit 202309116278 $$$ $7,380
  9. Jul 2023

    Remove and replace (10) windows retrofit. same size and same location. (4) front windows are marvin wood clad. (6) rear not visible.

    Complete Permit 202307172273 $$$ $26,750
  10. Apr 2023

    Per permit application 202206146270, add address to rear building at apn 2698/018 as: 4440a 20th st.

    Issued Permit M1230567 $$$ $244
  11. Dec 2022

    Replacing approx 4 steps to bring to code of existing deck. less than 50%. rear deck.

    Complete Permit 202212158463 $$$ $1,500
  12. Oct 2022

    Revision to permit application 202206146270. according to site inspector's request. existing site condition different than proposed at cottage.

    Complete Permit 202210285431 $$$ $1
  13. Jun 2022

    Rear cottage - interior remodeling of single family. 2 story cottage. reconfigure the existing bathroom; a new open plan kitchen - living room and expansion of room in 2nd floor by using some attic space (rear building).

    Complete Permit 202206146270 $$$ $150,000
  14. Jun 2022

    Interior remodel of a single family 2-story main house. add new connecting internal stairs. connecting ground & 2nd fl. new master bedroom with walk-in closet & bathroom on ground floor. remodel on existing bathroom. new open kitchen on 2nd fl.

    Complete Permit 202206136151 $$$ $200,000
  15. Feb 2016

    11 windows install replacement at rear cottage not visible from street, window material carbon fiber lowe's contractor to do installation, u factor shall not exceed.32.

    Expired Permit 201602048790 $$$ $2,700
  16. Nov 2006

    Install vinyl siding. 3 sides back house. not visible from street. no structural work to be done.

    Complete Permit 200611066994 $$$ $10,000
  17. Jun 2006

    Replace counter top sink, faucet in kind. no structural changes.

    Complete Permit 200606073436 $$$ $3,966
  18. Nov 2004

    Replace 2 footings in the basement.

    Expired Permit 200411159146 $$$ $1,200
  19. Jun 2001

    Install white double hungs same style as is, side back windows total 9, no alteration.

    Expired Permit 200106121384 $$$ $2,700
  20. Oct 2000

    Reroofing.

    Expired Permit 200010052434 $$$ $7,100
  21. Mar 1986

    Comply with complaint #p15022.

    Issued Permit 8603483 $$$ $2,000
  22. Jul 1985

    Remodel kitchen and bath.

    Complete Permit 8507534 $$$ $9,700
  23. Nov 1974

    Created during job card conversion on: 04/19/84.

    Expired Permit 0441712

1 nominal $1 street-space permit is omitted.

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