2320 Lyon Street

1. 1928

   Built.

2. 1950

   A residential garden laid out in 1950 by the landscape architect Thomas D. Church, who designed more than 150 gardens in San Francisco and is widely counted the founder of Modern California landscape design.

   Modern Architecture and Landscape Design Context Statement, adopted 2011
3. May 2003

   Permit 200305154691 $$$ $80,000

   Revise 200302187601-replace french doors, repair exterior wall, tile in bathrm, plaster&fixtures.dry rot.

4. Jun 2003

   Permit 200306036151 $$$ $8,500

   Rev#200303250618 to include replacement of 4 french doors in front of building on the 1st floor. window to.

5. Dec 2003

   Permit 200312031480 $$$ $1

   To document existing bathroom at groundfloor per building inspector.

6. Dec 2003

   Permit 200312031527 $$$ $1

   To renew expired permit application 2003/05/28/5593, 2003/02/18/7601, 2003/03/25/0618 for final insp.

7. Feb 2008

   Permit 200802144784 $$$ $30,000

   Kitchen remodel. plum changing exterior windows & doors.

8. Feb 2014

   Permit 201402219040 $$$ $859,000

   Complete interior remodel- expansion at 1st floor new courtyard at side & new retaining walls, new media rm, 1-1/2 baths, wine/dining, bedrm @ ground floor. facade modernization with new window layout & new insulated units. new pentroom incl bath at existing attic with new roof decks. add bath @ 3rd floor.

9. Oct 2014

   Permit 201410209334 $$$ $90,000

   Provide temporary shoring to facilitate excavation & construction of the proposed garage addition per approved permit application # 2014-0221-9040. n/a ordinance #155-13.

10. Nov 2014

    Permit 201411191901 $$$ $50,000

    Provide additional shoring to suit field condition to facilitate excavation of the proposed garage addition per approved permit 201410209334 and 201402219040; maher n/a.

11. Jan 2015

    Permit 201501165951 $$$ $48,500

    New nfpa 13 fire sprinkler system, 97 sprinklers; maher n/a.

12. Feb 2015

    Issued Permit 201502047486 $$$ $3,000

    2" water service per nfpa 24 2013 per fire sprinkler permit #201501165951.

13. Nov 2015

    Permit 201511233323 $$$ $20,000

    Revision to appl #201402219040 - landscape improvements at courtyard including new concrete stair & planters. n/a maher ordinance.

14. Jan 2016

    Permit 201601116769 $$$ $10,000

    Replace existing driveway with new concrete driveway. provide new concrete supports for fence to replace existing.

15. Jul 2016

    Permit 201607061706 $$$ $1

    Add bird safe film treatment per planning code 139 at roof deck glass guards. existing conditoins shown for 201402210904, add maintenance rail at 4th fl roof deck. add hottub at 4/f roof deck, add handrail at front stair, lower roof deck 4/f elevation and reduce number of risers at roof deck stair.

16. Jul 2022

    Permit 202207259221 $$$ $250,000

    Replace exterior doors, exterior windows & finishes, visible from street, with in-kind due to water damage & dry rot. replace sheathing due to dry rot & water damage.

17. Feb 2023

    Issued Permit 202302081615 $$$ $100,000

    Bring building into compliance with pa2014.0221.9040. entry roof and portion of outdoor deck to be repaird in kind du to water damage, exterior and interior non -conforming struct conn. to be remediated and conform to designed standards. roof ht decrease. remove non-permitted work.

18. Feb 2023

    Permit 202302081612 $$$ $50,000

    Repair and remediation of existing concrete property wall due to water damage.

19. Mar 2023

    Permit 202303163781 $$$ $11,876

    Demolition a portion of existing sprinkler system, for roof to be reframed once completed. all heads & piping will be replaced to keep code complaince.

20. Dec 2023

    Permit 202312132486 $$$ $5,000

    Revision to permit application 202302081612 for new la features: planters and fountain.

21. Feb 2024

    Permit 202402145874 $$$ $3,500

    Install a facu that monitor automatic wet pipe fire sprinkler system. install heat detectors and manual fire alarm box.

22. Apr 2024

    Permit 202404119820 $$$ $95,870

    Roof-mounted solar pv system - 8.715 (dc) kw. 27 kwh battery backup system; equipments includes: (1) tesla backup switch, (1) tesla powerwall 2 & (1) tesla powerwall plus inverter and batteries. note existing ess equipment installed under permit #ew201905221005, dmj 04/15/2024.

23. Nov 2024

    Permit 202411124791 $$$ $3,000

    Revision to issued permit #202404119820; revision includes the change of mounting height of the batteries only.see sheets 6 & 8 for details. no changes electrically and all other equipment on the approved plan set remain the same.

24. Dec 2024

    Permit 202412166860 $$$ $4,111

    Replacing an existing back flow device with the same name and model. the existing back flow device had the tamper switches removed so the alarm compnay coud not make connections. building permit application 202207259221.

DBI holds 28 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 28. 3 of them are nominal $1 street-space or sidewalk permits. 2 expired permits are not shown.