3379–3381 21st Street

Mission · San Francisco, CA 94110

  • Built 1909
  • 2-unit apartment building
  • 4 stories
  • Zoned RH-3
  • District 9
  • Historic status: historic resource
37.7566, −122.4228 Street View appears here once a Google Maps embed key is configured.
6,068 sq ftBuilding area
2,848 sq ftLot area
18Rooms · 10 bed, 11 bath

Permit history

  1. Jul 2025

    Revision to 202406114239. one unit 2nd fl remove non bearing wall between bedroom 1 and bedroom 2 at 2nd fl. convert powder room into bathroom. convert hallway bath to master bath. 1st fl convert poweder room into closet. convert 2 bath into 1 bathroom.

    Complete Permit 202507301974 $$$ $3,600
  2. Feb 2025

    Demolition and replace approx. 1/3 of kitchen cabinets, demolition/replace countertops & backsplash. move refrigerto location to s of stone. replace range & dishwater. paint existing cabinets & walls. install waterline for coffee maker. no exterior work.

    Issued Permit 202502261143 $$$ $120,954
  3. Jun 2024

    One unit: remove bearing wall btw kitchen & greate rm @ 2nd fl. remove bearing wall btw family rm & office to become bedroom #5, remove wall btw bedroom #4 & # 5 to become # 3 as per plan at 1st fl.

    Complete Permit 202406114239 $$$ $20,000
  4. Sep 2023

    Comply with nov 202177567 one unit. legalize bathroom to great room on 2nd fl; door @ living room, relcoate existing door @ bedrm 1; replace door with window in bedroom 3; remove door @ family room; remove beds from office and family rooms.

    Complete Permit 202309136529 $$$ $15,000
  5. Aug 2020

    Installation of a new sprinkler monitoring system. ref permit application 201901079706.

    Complete Permit 202008202197 $$$ $4,000
  6. Sep 2019

    Rev to 201901079706: - water flow information changes recalculated for all hydraulic calulations.

    Complete Permit 201909131643 $$$ $1
  7. Jan 2019

    Installation of fire sprinkler system through out the building per nfpa13 and underground per nfpa 24. ref app#201711033094. total 87 fire sprinkler heads. n/a for maher.

    Complete Permit 201901079706 $$$ $45,000
  8. Nov 2017

    Interior remodeling at 3379 at 2nd and 3rd floors of existing 2 unit building. 2 new habitable area at basement to be combines with 1st floor(3381 21st street).

    Complete Permit 201711033094 $$$ $125,000
  9. Mar 2017

    Perform repair as per termite report #76806 item 1c, 1d, 1e, 3a, 4a, 5a in like kind.

    Complete Permit 201703212004 $$$ $4,650
  10. Feb 2012

    Remodel existing bathroom to add shower stall and toilet. remodel existing toilet room to add lavatory. install new stair from second floor to attic storage.

    Complete Permit 201202164367 $$$ $55,000
  11. Apr 2003

    Reroofing.

    Expired Permit 200304172535 $$$ $6,780
  12. Oct 1991

    Replace rear right basement wall with extended footing wall.

    Complete Permit 9119893 $$$ $7,000

5 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.