3332–3334 21st Street

Liberty Hill · Mission · San Francisco, CA 94110

  • Built 1900
  • 2 flats
  • 2 stories
  • Zoned RH-3
  • Liberty Hill Historic District
  • Article 10 — local protection
37.7571, −122.4220 Street View appears here once a Google Maps embed key is configured.

Two flats on one parcel carrying both 3332 and 3334, on Liberty Hill in the Mission. A published guide to notable residences records it as Mel Blanc's childhood home, from his birth in 1908 until the family moved when he was about five.

4,344 sq ftBuilding area
2,875 sq ftLot area
14Rooms

Permit history

Seven permits, all in 1987–1994 and nothing since. The 1987–89 run reads as one project: reinforce the east-side foundation and replace the kitchen, remodel a family room, and remove a column with a new beam — with a larger family-room construction permit withdrawn along the way.

  1. Jan 1994

    Restore accessory use of basement habitable space to the dwelling.

    Issued Permit 9401032 $$$ $1,999 revised
  2. Aug–Oct 1993

    Termite repair, then reroofing.

    Complete Permit 9314138 Permit 9317658 $$$ $3,620 / $4,000
  3. Nov 1988

    Add a beam to remove a column in the rec room.

    Complete Permit 8817180 $$$ $1,000
  4. May 1988

    Remodel the family room. A companion permit to build a new family room was withdrawn.

  5. Dec 1987

    Reinforce and augment the foundations on the east side; replace the kitchen.

    Complete Permit 8717518 $$$ $30,000

Not yet documented: the architect and builder, the original permit, when the building was divided into two flats, and any primary-source confirmation of the Blanc residency. Know any of it? Tell us — just describe it in plain words.