Know This Place

4231–4233 18th Street

Castro (Eureka Valley) · San Francisco, CA 94114

  • Built 1908
  • 3-unit building with a ground-floor store
  • 3 stories
  • Zoned CASTRO
  • District 8
  • Historic status: not a historical resource
37.7606, −122.4368 Street View appears here once a Google Maps embed key is configured.
2,900 sq ftBuilding area
1,873 sq ftLot area
10Rooms · 3 baths

Permit history

  1. Apr 2026

    Reroofing with shingle replacement approx 997 sq ft, install new gutters and downspouts, new galvanized edge metals, new synthetic underlayment, new comp shingls from gaf.no hotwork.

    Complete Permit 202604300423 $$$ $16,700
  2. Jan 2026

    Replace wood siding from the back of property, approx 1500 sq ft. new materials. install new hardie plank lap siding, replace 11 windows (uf<=0.27), new anderson single hung and 2 sliding fiberglass. replace membrande back of deck, install new 5000 elastodeck. non street visible. ref permit application 202510036654.

    Complete Permit 202601284674 $$$ $18,000
  3. Oct 2025

    In kind replacement of existing deck stair due to dry rot. extension of 3rd level deck within setback. replace railings with code compliant railing new footings for residential units.

    Complete Permit 202510036654 $$$ $20,000
  4. Mar 1996

    Vertical & horizontal addition.

    Complete Permit 9603668 $$$ $50,000
  5. Nov 1991

    Reroofing.

    Expired Permit 9121660 $$$ $2,600
  6. Jun 1985

    Proposing a new garage at existing basement.

    Cancelled Permit 8506570 $$$ $5,000

1 nominal $1 street-space permit is omitted.

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