100 Masonic Avenue

1. 1928

   Built.

2. August 25, 1964

   Photographed, showing St. Elizabeth Infant Hospital.

   San Francisco Subjects Photograph Collection (SFP 162), San Francisco Public Library
3. March 6, 1975

   St. Elizabeth's Infant Hospital occupied the 63,800-square-foot corner property, with 275 feet on Masonic Avenue and 232 feet on O'Farrell Street, a landscaped front lawn and a seven-car lot at the corner.

   San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)
4. March 6, 1975

   The City Planning Commission unanimously approved, with six conditions, a one- and two-storey addition of about 12,500 square feet to move Mount St. Joseph's Home for Girls, a residential care home for 20 girls, onto the site from Silver Terrace.

   San Francisco City Planning Commission minutes, San Francisco Public Library (Internet Archive)
5. Jul 1985

   Permit 8507558 $$$ $17,200

   Install 112 aluminum windows in existing frames.

6. Aug 1990

   Permit 9015648 $$$ $467,000

   To erect offices & classrooms.

7. Feb 1993

   Permit 9302981 $$$ $30,000

   Replace light fixtures, add switching, add receptacles.

8. Jul 1994

   Permit 9411437 $$$ $35,000

   Parapet.

9. Aug 2006

   Issued Permit 200608149377 $$$ $95,265

   Install fire sprinler system in 1st - 3rd floors (retrofit), replace existing sprinilers in basement with quick response type.

10. Jan 2007

    Permit 200701171793 $$$ $56,900

    Remove existing roof decking, appurtenancess & skylights at 2nd level and reconstruct it to make it accessible. remove step at existing door.

11. Aug 2016

    Permit 201608013820 $$$ $234,000

    Reroofing.

12. Jan 2017

    Permit 201701046511 $$$ $45,000

    Voluntary replacement of existing fire alarm system, like for like.

13. Mar 2021

    Issued Permit 202103045929 $$$ $6,480

    Fabrication and installation of evacuation maps for whole building.

14. May 2022

    Permit 202205315241 $$$ $170,000

    Prop h: minor interior remodel only, and includes replacing existing finishes with new standard finishes. no structural change or modification is proposed.

15. Dec 2022

    Permit 202212128136 $$$ $1,600,000

    Prop h: interior remodel &play area improvements for non-profit child development center. remodeling classrooms for infants & toddlers age-group, renovate existing bathrooms, add additional unisex restrooms, remodel existing offices & add additional lounge. new accessible path. remodel existing play area at back.

16. May 2023

    Permit 202305117630 $$$ $80,000

    Within preschool classroom- removing existing step in the slab to even out the floor for ada accessibility pour of 3" of concrete on the existing slab to level with adjacent corridor for ada pour new partial concrete slab where old step is removed. revision ot 202205315241.

17. Aug 2023

    Issued Permit 202308315680 $$$ $8,000

    Relocate 3 pendent heads. add 2 new uprights off mechanical tee.

18. Oct 2023

    Permit 202310058067 $$$ $155,000

    Replace (89) windows total on (3) sides. all visible from the street to wood double hungs and (9) casements on top floor. in existing openings. u factor 0.58 max, rshgc 0.41 max, and vt 0.32 min (same size replacement).

19. Oct 2024

    Permit 202410112826 $$$ $27,000

    Upgrade the existing fire alarm system with new panel with voice evac system, radio comm, smoke detctors & pull stations due to interior rmeodeling. install notification applicances through out for complete coverage. ref 202212128136.

DBI holds 32 permits for this parcel, most of them tenant improvements on individual floors. The timeline shows the 24 largest by stated cost, plus the earliest on file; the DBI query in the sources below returns all 32. 1 of them are nominal $1 street-space or sidewalk permits. 9 expired or cancelled permits are not shown.