37.7570, −122.4244 A locator map appears here once a Mapbox token is configured.
Know This Place

District 8 · Block 3607, Lot 019 · ZIP 94110

3442–3446 21st Street

Two-flat

  • 2 stories
  • Zoned RH-2
  • Historic status: unevaluated
37.7570, −122.4244 Street View appears here once a Google Maps embed key is configured.
3,970 sq ftBuilding area
3,420 sq ftLot area
12Rooms · 2 baths
  1. 1928

    Built.

  2. Jun 1981
    Filing Permit 8105191 $$$ $1

    Additions alterations or repairs.

  3. Jan 1982
    Permit 8200176 $$$ $3,000

    Additions alterations or repairs.

  4. Jul 1988
    Permit 8810056 $$$ $500

    Skky light added to kitchen remodel permit #8807284.

  5. Aug 2018
    Issued Permit 201808217910 $$$ $26,000

    New private roof deck (access from top unit only). new stair access to roof deck. expansion of balcony. no other work proposed.

  6. Jul 2020
    Permit 202007099892 $$$ $2,500

    Fire sprinkler and underground for the house ref permit application 201612144936.

  7. Jul 2023

    Revision to permit application 202007099892 to tap into 12" main (instead of 4" main) and change ug lateral from 4" di to 2" copper k, fire sprinklers for the house (nfpa 13).

  8. Oct 2023
    Permit 202310259406 $$$ $10,700

    New sprinkler waterflow and supervisory system fully sprinklered building. install new control panel with built in radio, smoke detector above and pull station near panel in garage area. install wireless gateway for wireless monitor modules to tie-in waterflow and tamper switches to new panel to be.

  9. Apr 2024

    To obtain final inspection for work approved under permit application 2016-1214-4936, 2017-1012-1094, 2018-0522-9820 all work is complete.

3 nominal $1 street-space permits and 4 expired permits are omitted.

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