3450 21st Street

Mission · San Francisco, CA 94110

  • Built 1928
  • Single-family house
  • 3 stories
  • Zoned RH-2
  • District 8
  • Historic status: unevaluated
37.7569, −122.4246 Street View appears here once a Google Maps embed key is configured.
7,368 sq ftBuilding area
7,980 sq ftLot area
13Rooms · 4 bed, 4 bath

Permit history

  1. Nov 2020

    Underpin property line wall due to foundation work at 3466 21st street - permit application 202011058337. approx 28 lf of underpinning.

    Complete Permit 202011209380 $$$ $1
  2. Aug 2015

    Revision to existing permitted 4th floor roof terrace guardrail per inspector comments. weld on stanchions and add additional 1'-7" glass guardrail top of existing railing. not visible from public right of way. ref pa 2014 0602 7185. maher na.

    Complete Permit 201508063535 $$$ $5,000
  3. Apr 2015

    Provide as built plans for fire sprinkler system original permit 201403271786.

    Complete Permit 201504143523 $$$ $1
  4. Oct 2014

    Add air conditioning to house. condensers mounted on platform behind existing roof ridges and not visible from street. platform includes visual acoustical shroud, shall comply with all sq ft noise ordinance requirements.

    Complete Permit 201410249835 $$$ $35,000
  5. Oct 2014

    Readjustment of project valuation for 201301228447. additional 108, 000 value per bid inspector clancy. total cost: 173, 000.

    Complete Permit 201410219529 $$$ $108,000
  6. Jul 2014

    Install underground fire and water line. n/a for the maher ordinance #155-13.

    Complete Permit 201407010163 $$$ $10,000
  7. Jun 2014

    Legalize 4th floor as habitable, add bathroom to 4th floor, convert existing flat roof visible at rear & east facade to accupiable roof deck.n/a maher.

    Complete Permit 201406027185 $$$ $25,000
  8. May 2014

    Add rooftop mechanical equipment & utility access hatch. provide decorative metal screening & guardrail. compliance with ordinance #155-13 not required.

    Withdrawn Permit 201405024762 $$$ $20,000
  9. Mar 2014

    Slate roof replacement in-kind, additional brick facade and chimney chase brick replacement in-kind, prevous in-kind work approved under permit application 201304124474 & 201302281213. "reroofing under separate permit by c-39 contractor".

    Complete Permit 201403281963 $$$ $25,000
  10. Mar 2014

    Install overhead (only) fire sprinkler system, per nfpa 13. 90 sprinklers. underground service by others. 201304124474. n/a for the maher ordinance #155-13.

    Complete Permit 201403271786 $$$ $19,000
  11. Feb 2014

    Relocation of dormer @ rear of building. dormer previously approved under permit application 2013/04/12/4474. ** maher: compliance with ordinance no# 155-13 not required **.

    Complete Permit 201402208973 $$$ $1
  12. Apr 2013

    Compl with nov #201399041 dated 4/22/13 -replace in-kind exterior wall & stair at 1st floor east elevation along gridline three due to existing inadequate structural conditions. original seismic upgrade under permit application 2013.02.28.1213.

    Complete Permit 201304245332 $$$ $30,000
  13. Apr 2013

    1st, 2nd & 3rd fl additions at rear & side yards. reconfigured landscaping & terracing. replace fence & gate at front yard. reconfigured roof & dormers at rear & secondary facades. replace & restore windows in-kind.

    Complete Permit 201304124474 $$$ $750,000
  14. Feb 2013

    New habitable space on 1st floor, includes, office, media rm, 1/2 bath, mudroom, laundry rm & wine room with wet bar. 2nd fl add 1/2 bath & interior remodel on 2nd, 3rd & 4th fls. seismic upgrade, exterior stucco replaced in kind. three doors replaced in-kind. brick in-fill of three windows at side elev.

    Complete Permit 201302281213 $$$ $720,000
  15. Jan 2013

    Remodel kitchen aqnd 6 bathrooms. no structural.

    Complete Permit 201301228447 $$$ $65,000
  16. Jan 2012

    Erect 1 story, type 5 building, green house (accessory to dwelling).

    Cancelled Permit 201201172310 $$$ $40,000
  17. Jul 1998

    Remove & replace existing sliding door & casemont window/rpr stc.

    Complete Permit 9814666 $$$ $8,000
  18. Jun 1998

    Reroofing.

    Expired Permit 9811578 $$$ $2,800
  19. May 1998

    Dry rot repair.

    Complete Permit 9809392 $$$ $1,000
  20. Mar 1997

    Remodel existingkitchen, bathrm & library, add 2 new windows.

    Expired Permit 9704894 $$$ $75,000
  21. Feb 1997

    Demolition of kitchen & bath, remvoe cabinets, plaster, fixture.

    Complete Permit 9702685 $$$ $5,000

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.