Know This Place

3824 21st Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1905
  • Single-family house
  • 2 stories
  • Zoned RH-2
  • District 8
  • Historic status: historic resource
37.7564, −122.4330 Street View appears here once a Google Maps embed key is configured.
1,450 sq ftBuilding area
2,850 sq ftLot area
6Rooms · 2 baths

Permit history

  1. Mar 2026

    Revision to permit application 202312192726: removal of dumbwaiter. skylight product change. back window type change, upper back window slight size change. removal of 2nd fl hvac & replacement with whole house on demand boiler on 2nd fl. deck shape change, interior loft railing change from glass to cable.

    Issued Permit 202603097163 $$$ $1
  2. Aug 2025

    Revision to 201203196276 s1; include - removal of full house dumbwaiter and shaft, removal of hvac from the 2nd floor, 2nd replaced by radiant in walls, removal of house water heater and replaced by whole house on demand boiler on 2nd floor, skylight model changes, back window change.

    Withdrawn Permit 202508122846 $$$ $100
  3. Jul 2025

    Revision to permit application 2023-1219-2726. changing the rear facing windows at the bay windows (2nd fl) from double hung (on approved permit) to casement. also slight change in attic window size at back of the house.

    Withdrawn Permit 202507140701 $$$ $1
  4. Oct 2024

    Remodel 1 bathroom in kind.

    Complete Permit 202410022190 $$$ $20,000
  5. Dec 2023

    Renovation of existing sfh includes reconfiguration of upper level, adding windows to rear exterior of building, and addition of a rear upper level deck to rear of home.

    Issued Permit 202312192726 $$$ $200,000
  6. Mar 2012

    To comply complaint #201147606. repair leak in roof & replace leaking siding in kind at rear (less than 50%) not visible from street.

    Complete Permit 201203196276 $$$ $5,800
  7. Mar 2012

    Repair rotted front porch and replace in kind, replace any rotted frraming and install new t&g wood deck, to comply with notice of violation 201203141 (less than 50% repair) in kind.

    Complete Permit 201203135994 $$$ $4,500
  8. Jun 2001

    Rev.to appl 9912444s app east retaining wall, threaded rod to foundation, parallam beam to 6"x16".

    Expired Permit 200106050733 $$$ $2,000
  9. Mar 2000

    New deck/install door/windows/extnd fmly room/nw wall openg.

    Complete Permit 9912444S $$$ $60,000
  10. Oct 1999

    Reroofing.

    Expired Permit 9922331 $$$ $8,000
  11. Jul 1995

    Addition permit required for underpinning work re a#9503949s.

    Expired Permit 9510403 $$$ $1
  12. Sep 1994

    Kitchen and bathroom remoeling.

    Expired Permit 9413611 $$$ $22,500
  13. Nov 1992

    Horiz addition to rear. kitchen & bath renovation & addition.

    Cancelled Permit 9219068S $$$ $150,000
  14. Sep 1987

    Alter floor joists, dry rot repair, remodel bath, sheetrock.

    Complete Permit 8713234 $$$ $7,000
  15. Jun 1987

    Replace lower exist joist, foundation, remodel kitchen, bath.

    Expired Permit 8707791 $$$ $9,000

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