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37.7588, −122.4117 A locator map appears here once a Mapbox token is configured.

3101 20th Street

Mission · San Francisco, CA 94110

  • Industrial building
  • 3 stories
  • Zoned UMU
  • District 9
  • Historic status: historic resource
  • City landmark (Article 10)
  • Individually listed on the National Register
37.7588, −122.4117 Street View appears here once a Google Maps embed key is configured.
6,800 sq ftBuilding area
2,596 sq ftLot area
9Rooms · 3 baths
  1. 1928

    Built.

  2. 1928

    Built for the organ builders Schoenstein and Company by the contractors Mager Brothers; the architect is not recorded.

    National Register of Historic Places nomination, National Park Service
  3. Jul 2011

    Interior renovation of an existing industrial building. project is to include replacement of a rear section of existing flooring & minor interior improvements. no change of use, square footage or occupancy will occur with this project.

    Complete Permit 201107281240 $$$ $14,000
  4. Nov 2012

    Reroofing.

    Complete Permit 201211204608 $$$ $28,250
  5. Dec 2013

    Addition of new roof deck & stair penthouse per c of a hpc motion #0215.

    Issued Permit 201312184469 $$$ $25,000
  6. Mar 2019

    Addition of solar panel rooftop array, new alterating tread stair with access hartch for non-occupiable roof. ** maher: n/a **.

    Issued Permit 201903155333 $$$ $65,000
  7. Jun 2026

    Reroofing. no hot works.

    Filed Permit 202606223641 $$$ $79,400

5 nominal $1 street-space or sidewalk permits are omitted from the timeline.

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