3826–3830 18th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1900
  • Four-flat
  • 3 stories
  • Zoned RM-1
  • District 8
  • Historic status: unevaluated
37.7615, −122.4291 Street View appears here once a Google Maps embed key is configured.
4,628 sq ftBuilding area
3,640 sq ftLot area
21Rooms · 4 baths

Permit history

  1. Nov 2025

    To comply with nov# 202544671, items #4 & #5, remove existing fix windows and replace with a operable window. not visible from street.

    Complete Permit 202511139569 $$$ $1,600
  2. Dec 2017

    Ext. wood siding repair/replacement in remaining half west wall, north side & 1/2 east wall only. remove existing siding, install waterproof felt paper & new siding. work not visible from street.

    Complete Permit 201712186723 $$$ $20,000
  3. Apr 2017

    Renovation of 2nd fl unit and 3rd fl unit. exterior wood siding repair/replacement. window replacement like for like on 2nd and 3rd fl.

    Complete Permit 201704194306 $$$ $125,000
  4. Dec 2013

    Add conditioned space at existing level with addition of new stairwell, dormers. remodel rear of existing 3rd fl. (kitchen and bath.).

    Issued Permit 201312093663 $$$ $150,000
  5. Sep 2010

    Remove and replace existing stairs at rear as in kind.

    Complete Permit 201009201146 $$$ $8,000
  6. Jul 2010

    Repair and or replace dry rotted stringers, support posts and several treads, rear of building 50% or less.

    Reinstated Permit 201007297741 $$$ $5,000
  7. Jul 2010

    Replace 3 windows, size for size, not visable from street, u-valve 0.30, replace in kind. no structural work.

    Cancelled Permit 201007146646 $$$ $3,762
  8. Jan 2010

    Building strengthening of ground floor. voluntary.

    Complete Permit 201001275434 $$$ $7,000
  9. Jan 2010

    Add perimeter anchor bolts @ perimeter walls with 5/8" 0 a.b x 1'-0" @ 32" o.c.. drill epoxy with min 8" into existing footing + 3x3x1/4 washer & nut. add 1/2" plywood and 12" in field (voluntary).

    Complete Permit 201001124611 $$$ $7,000
  10. Jul 2007

    Demolish existing non-structural interior walls. replace existing floor, reconstruct interior walls.

    Complete Permit 200707257764 $$$ $70,000
  11. Oct 2003

    Reroofing.

    Complete Permit 200310177771 $$$ $8,713

2 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.