1737–1741 Mason Street

1. 1911

   Built by Trevia & Pasqualetti.

2. March 24, 1911

   Trevia & Pasqualetti contracted to put up three-storey frame flats, at $3,000.

   The San Francisco Call, 24 March 1911, p. 15
3. Sep 1985

   Permit 8510006 $$$ $1,500

   To bring into code.

4. Sep 1985

   Permit 8510007 $$$ $1,000

   To bring into code.

5. Jan 2003

   Permit 200301145125 $$$ $7,885

   Reroofing.

6. Dec 2016

   Permit 201612084458 $$$ $25,000

   3rd floor only (buidling at front property) - relocated existing bedroom & kitchen, turn existing powder room into laundry per plan, add 1 full bathroom per plan. remodel existing bedroom per plan.

7. Feb 2022

   Permit 202202238561 $$$ $60,000

   3rd fl: reconfigure interior layout with one bedrm, one office, one 3-fixture bathroom, kitchen & living rm. (rear building work only.).

8. Apr 2022

   Permit 202204011403 $$$ $10,000

   Front building - repair exterior rear stairs to comply with section 604 of the sq ft housing code (in-kind) less than 50%.

9. Oct 2022

   Permit 202210033639 $$$ $20,000

   Install new fire sprinkler system for renovation at 3fl and eagress path. total =17 heads, included 2" underground fire services. ref permit application 202202238561.

10. Feb 2024

    Issued Permit 202402236479 $$$ $30,000

    3rd fl unit interior remodel: 1) reconfig area btwn existing storage, existing kitchen & existing laundry to become a kitchen with den and add new bath. 2) remove wall btwn dining & living. 3) replace water heater with tankless water heater. 4) replace furnace with mini-split system 5) add 4 skylght 6) replace fdn.

11. Mar 2024

    Filed Permit 202403208240 $$$ $8,000

    Revision to permit application 202402236479. 3rd floor(one unit mason street) interior renovation: 1) relocate the existing bathroom to the north side of the property. 2)convert the current bathroom into a study room. 3)relocate the laundry room. 4)reconfigure the closet.

12. Apr 2024

    Permit 202404250766 $$$ $30,900

    Front & rear building: upgrade e) fire alarm system to comply with sffc sec 1103.7.6.1.

13. May 2024

    Issued Permit 202405011150 $$$ $6,000

    3/f (one unit) roof - new private roof deck connects to the 3/f unit.

14. Nov 2025

    Issued Permit 202511250470 $$$ $100,000

    One unit- 1st floor reconfigure bathroom layout (2) convert existing powder room into laundry room. exchange locations of kitchen and office per plans. convert laundry room into new sun room with closet. remove two closets between 2x existing bedrooms and install new bi window and portion of wall to newdoor.

15. Dec 2025

    Issued Permit 202512292847 $$$ $1

    Revision to permit application 2024-0501-1150: change steel cable railing to glass railing at roof deck.

16. Apr 2026

    Permit 202604270133 $$$ $1

    To obtain final inspection for work approved under permit application 202402236479, 202405011150.

17. Jun 2026

    Issued Permit 202606113001 $$$ $40,000

    Basement floor - replace garage door with roll-up door, add a trench drain. 1st floor - raise front bay windows to accommodate new garage door.

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