500 Paul Avenue

1. 1928

   Built as the Ferry-Morse Seed Co. plant — a four-storey concrete warehouse with a central tower, and a one-storey warehouse beside it — in the former Western Development Co. tract, subdivided around 1925 for manufacturing.

   Kelley & VerPlanck Historical Resources Consulting, Bayview-Hunters Point Area B Survey: Town Center Activity Node — Historic Context Statement, prepared for the San Francisco Redevelopment Agency, adopted February 11, 2010
2. 1943

   Built.

3. Mar 1991

   Permit 9103956 $$$ $6,800

   Install one halon fire suppression system.

4. Feb 1994

   Permit 9402872 $$$ $13,600

   Vertical addition.

5. Sep 2003

   Issued Permit 200309054026 $$$ $7,300

   Replace partial underground fire sprinkler service to above grnd; existing pipe schedule.

6. Jul 2007

   Permit 200707278018 $$$ $72,784

   Reroofing.

7. Apr 2008

   Permit 200804048924 $$$ $65,000

   Erect sign - ground, double faced, non electric.

8. Feb 2011

   Issued Permit 201102099948 $$$ $55,000

   To obtain final inspection for work approved under permit application 200511097769. replacement of a metal carport.

9. Feb 2011

   Issued Permit 201102099951 $$$ $55,000

   Renew permit application 200007316557 for final to comply with nov 200676807. unmanned wireless date facility with antennas and control cabinet.

10. Oct 2013

    Permit 201310098923 $$$ $18,000

    Replace existing lte antennas 3 with new antennas. add 3 new remote radio units on penthouse wall. add 3 tma units adjacent to antennas on penthouse wall. add 3 lines of hybrid cable from equipment room to rrh units.

11. Nov 2014

    Permit 201411252465 $$$ $10,000

    Removal of equipment cabinets and all associated hardware, antennas and mouting hardware for metro pcs. maher n/a.

12. Jun 2015

    Permit 201506249768 $$$ $35,000

    Verizon remove (6)existing panel antennas on e toner & replace (6) new panel antennas. relocted & reuse (3) lte antennas for 850.install (6)rrhs with a2 modules inside tower wall, relocate 3existing aws rrhs inside tower wall, install 3 newa2 unitsbehind aws rrhs in tower, install ray cap dc 3315 supressors.

13. Nov 2017

    Permit 201711295055 $$$ $932,450

    Reroofing.

14. Feb 2018

    Permit 201802282443 $$$ $32,300

    Add remote radio units inside rooftop tower feature. no visible change to exterior total 6 prus. also replace existing ac compressors with 5 ton units. **maher n/a**.

15. Dec 2021

    Permit 202112144361 $$$ $40,000

    Verizon: r/r 6 existing antennas & mounts with 6 new antennas & mounts.replace 3 new anennas; install 3new twin filters at antenanas.retain 3new antennas.install 3new radios 8863 units.install (3 4408 raios units.r/r 3e rrus, 32 units with 3 new 8843 units.

DBI holds 38 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 38. 11 expired or cancelled permits are not shown. The assessor dates the building 1943; the 2010 survey dates it 1928.