1 Zoo Road

1. 1935–1941

   The Works Progress Administration built the zoo's paths, underpasses, lakes, paddocks and lagoons and its Aviary, Lion House, Pachyderm House, Monkey Island, Small Mammal House, Bear Pits, stone boundary wall, café and pump house — a zoo designed to replace fences with moats.

   San Francisco New Deal Historic Context Statement, adopted 2023
2. Feb 1982

   New construction.

   Complete Permit 8200818S $$$ $5,089,872
3. Jan 1994

   Erect an animal holding structure.

   Complete Permit 9400482 $$$ $748,447
4. Jul 1999

   To erect one story accessory building.

   Issued Permit 9913542 $$$ $2,000,000
5. Jun 2000

   To erect education center.

   Issued Permit 200006021619 $$$ $2,800,000
6. Jun 2000

   Education center.

   Filed Permit 200006021699 $$$ $2,800,000
7. Nov 2000

   To erect entry service building gift shop restaurant.

   Issued Permit 200011135486 $$$ $9,000,000
8. Feb 2001

   One-stop: erect one story barn with mezzanine for hay storage at s f zoo.

   Issued Permit 200102162412 $$$ $1,400,000
9. May 2001

   One stop: erect one story warehouse and shop.

   Issued Permit 200105300267 $$$ $2,000,000
10. Nov 2001

    Erect tunnetls and site works and site work.

    Issued Permit 200111153285 $$$ $7,450,000
11. Nov 2001

    Erect new giraffe barn.

    Issued Permit 200111153278 $$$ $2,120,000
12. Nov 2001

    Erect one story hoofstock barn.

    Issued Permit 200111153289 $$$ $1,560,000
13. Jul 2006

    New animal exhibit pavilion for public viewing of grizzly bears. work includes new fencing, landscaping, bear containment. project is privately funded. no fire protection. unconditioned space. no mechanical work. new structure.

    Withdrawn Permit 200607197036 $$$ $1,650,000
14. Jul 2006

    To erect 1 story exhibit pavilion.

    Complete Permit 200607247399 $$$ $1,650,000
15. Jan 2007

    Renovate existing non-public barn structure for better animal mgmt &req ada upgrades-new layout exterior animal exhibits &off exhibits yards incl new animal barriers &gates, animal pool(hippo)&pasture. new animal mgmt chutes consist concrete pad, steel pole enclosure with hydralic gates.

    Complete Permit 200701192132 $$$ $2,700,000
16. Aug 2012

    Build out children's playground structures and develop playground area.

    Complete Permit 201208157400 $$$ $1,800,000
17. Jan 2014

    Demolition to existing floor slab. replace with new slab, new struct support for new exhibit components. new custom exhibit faux rock work & tree, mesh enclosure, waterfalls, displace enclosure, new work path, casework, painting & graphics. seismic strengthening.

    Complete Permit 201401166500 $$$ $2,000,000
18. Apr 2016

    Demolition to e footing and landscape features of outdoor exhibit area install new perimeter footing and piers for new outdoor mesh enclosure. new fauz trees and plants, new open sunroom, new open view shelter. replace e view railings with new picket fencing and view railings. maher not req.

    Complete Permit 201604265679 $$$ $900,000
19. Jul 2017

    Renovations to e building, work includes demolition to e conc wall for new openings, new concrete wall and suspended slab to e loft area, add new restrooms, new kitchen casework, new animal holding spaces, new mechanical an delec work, equip to support, new renovated areas. new elevated animal passage way.

    Complete Permit 201707192300 $$$ $2,000,000
20. Jan 2019

    Snow leopard habitat to be built. one open air animal habitat; one open air animal dayroom, one animal holding building, an animal management space, and 1 visito viewing sheltered area.

    Complete Permit 201901251209 $$$ $1,500,000
21. Jan 2019

    Lemur forest expansion of existing boardwalk animal holding building. plaza lvl redesign, landscaping & public viewing areas. primary function of the building is to provide facilities for animal holding & wellness, animal mgmt support spaces & public viewing areas.

    Filed Permit 201901291544 $$$ $3,223,290
22. Dec 2019

    Improvement to existing pdc building to include animal habitat enclosures, art baobab tree exhibit, plaza promenade exhibit & public view areas.

    Complete Permit 201912139568 $$$ $1,500,000
23. May 2021

    Construct one baobab tree exhibit and install mesh enclosure for animal habitat exhibits. demolition existing concrete low wall to accommodate new baobab tree exhibit. struct supt wrk for baobab tree. new outdoor lighting and lighting inside tree exhibit. new guard railing around animal habitat/exhibit.

    Complete Permit 202105180495 $$$ $100
24. 2023

    Recommended for city landmark designation in 2023, on historical, aesthetic and artistic grounds.

    San Francisco New Deal Historic Context Statement, adopted 2023
25. Jul 2025

    Renovateexistinganimal holding spaces & add new interior rooms for animal indoor playrooms, animal handles preparation stations, storage & trash room.renovateexistingmech, lighting & electrical systems for new animal holding space.renovateexistingoutdoor exhibit spaces.

    Approved Permit 202504073880 $$$ $4,000,000
26. Jul 2026

    Replace existing gas furnaces with electric heat pump split systems. replace existing gas water heater with heat pump water heater.

    Issued Permit 202607094785 $$$ $814,075

DBI holds 142 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 142.