Wayne Chan, Lawrence
- Listed as
- authorized agent-others, contractor, designer, engineer
- Firm
- W C Plumbing & Fire Protection
- Based in
- San Francisco
- On San Francisco permits
- Sep 2007 to Nov 2025
64 permits since 2000 (contractor on 64 permits, designer on 2 permits, authorized agent-others on 1 permit, engineer on 1 permit): 52 completed, 1 in progress, 8 never finaled, 3 expired or cancelled.
This is the city’s permit record, not a license check: the role and the number come from what was written on each permit (the number spelled one way). It does not show whether the license is current. Their ranked record as a contractor is on their contractor page. How to read these records
Most recent permits
| Filed | Outcome | Address | Contractor | Work described on the permit | Declared cost |
|---|---|---|---|---|---|
| Nov 6, 2025 | Completed final sign-off Aug 2026 | 69 Horace St | W C Plumbing & Fire Protection | install 40 sprinklers thru out new adus per nfpa 13 & underground per nfpa 24. ref to 202508112723 & 202102235180. voluntary nfpa 13 installation at the owners request. nfpa 13d required per arch reference.Details
install 40 sprinklers thru out new adus per nfpa 13 & underground per nfpa 24. ref to 202508112723 & 202102235180. voluntary nfpa 13 installation at the owners request. nfpa 13d required per arch reference. | $20,000 |
| Aug 25, 2025 | In progress issued Aug 2025 | 1347 27th Av | W C Plumbing & Fire Protection | install 57 new sprinklers throughout per nfpa #13-r. new inderground per nfpa #24Details
install 57 new sprinklers throughout per nfpa #13-r. new inderground per nfpa #24 | $15,000 |
| Jul 22, 2025 | Completed final sign-off Sep 2025 | 2401 16th St | W C Plumbing & Fire Protection | install (28) sprinklers througout g/f per nfpa #13. no new underground work. this is a volunteer additioin to (e) sprinkler system.Details
install (28) sprinklers througout g/f per nfpa #13. no new underground work. this is a volunteer additioin to (e) sprinkler system. | $10,000 |
| Jan 22, 2025 | Completed final sign-off Sep 2025 | 2100 Jones St | W C Plumbing & Fire Protection | install 12 sprinklers throughout new adu per nfpa#13 underground per nepa#24. ref#: 202206297340Details
install 12 sprinklers throughout new adu per nfpa#13 underground per nepa#24. ref#: 202206297340 | $10,000 |
| Nov 28, 2022 | Completed final sign-off May 2023 | 33 Walter U Lum Pl | W C Plumbing & Fire Protection | add/relocate 26 sprinklers and add 4 new dry pendent sprinkler per nfpa13. ref pa# 202108247039Details
add/relocate 26 sprinklers and add 4 new dry pendent sprinkler per nfpa13. ref pa# 202108247039 | $10,000 |
| Sep 28, 2022 | Completed final sign-off Apr 2025 | 1658 Kirkwood Av | W C Plumbing & Fire Protection | install 48 new sprinlkers througout per nfpa13r and underground per nfpa24. pa 201805250176.Details
install 48 new sprinlkers througout per nfpa13r and underground per nfpa24. pa 201805250176. | $20,000 |
| Sep 28, 2022 | Completed final sign-off Apr 2025 | 1654 Kirkwood Av | W C Plumbing & Fire Protection | install 48 new sprinlkers througout per nfpa13r and underground per nfpa24. ref permit 201805250174Details
install 48 new sprinlkers througout per nfpa13r and underground per nfpa24. ref permit 201805250174 | $20,000 |
| Feb 17, 2022 | Completed final sign-off Dec 2023 | 2403 16th St | W C Plumbing & Fire Protection | ininstall 40 new fire sprinklers on 2/f & 3/f only. per nfpa 13d. ref pa202010055897. maher n/aDetails
ininstall 40 new fire sprinklers on 2/f & 3/f only. per nfpa 13d. ref pa202010055897. maher n/a | $16,000 |
| Aug 29, 2020 | Completed final sign-off Feb 2022 | 3310 Mission St | W C Plumbing & Fire Protection | install 224 new fire sprinklers for entire bldg per nfpa 13. new wet standpipe per nfpa 14 and underground per nfpa 24. ref pa# 201712186770Details
install 224 new fire sprinklers for entire bldg per nfpa 13. new wet standpipe per nfpa 14 and underground per nfpa 24. ref pa# 201712186770 | $90,000 |
| Mar 11, 2020 | Completed final sign-off Jun 2021 | 2255 Taraval St | W C Plumbing & Fire Protection | install (236) sprinklers throughout per nfpa #13. wet stand pipe per nfpa #14. underground under separate pa #2019-1106-6619 & 2012-0620-3038.Details
install (236) sprinklers throughout per nfpa #13. wet stand pipe per nfpa #14. underground under separate pa #2019-1106-6619 & 2012-0620-3038. | $80,000 |
| Feb 28, 2020 | Never finaled issued Mar 2020, no final | 856 Capp St | W C Plumbing & Fire Protection | fire sprinkler: install 184 sprinklers throughout per nfpa#13 wet stand pipe per nfpa #24. underground under on app#201910235297 seperate permit. ref app#201712065684Details
fire sprinkler: install 184 sprinklers throughout per nfpa#13 wet stand pipe per nfpa #24. underground under on app#201910235297 seperate permit. ref app#201712065684 | $65,000 |
| Nov 6, 2019 | Completed final sign-off Jun 2021 | 2255 Taraval St | W C Plumbing & Fire Protection | install 24 feet of underground fire supply line per nfpa 24. ba 201206203038Details
install 24 feet of underground fire supply line per nfpa 24. ba 201206203038 | $10,000 |
| Oct 23, 2019 | Never finaled issued Oct 2019, no final | 856 Capp St | W C Plumbing & Fire Protection | ref pa# 201712065684; install (10) feet of underground fire service per nfpa# 24Details
ref pa# 201712065684; install (10) feet of underground fire service per nfpa# 24 | $5,000 |
| Jul 31, 2019 | Completed final sign-off Jul 2020 | 2990 Turk Bl | W C Plumbing & Fire Protection | install 20 sprinklers throughout new adu's on ground floor & egress path for new adu per nfpa #13 underground per nfpa #24. ref pa 2017-1027-2531Details
install 20 sprinklers throughout new adu's on ground floor & egress path for new adu per nfpa #13 underground per nfpa #24. ref pa 2017-1027-2531 | $6,000 |
| May 16, 2019 | Completed final sign-off Jul 2020 | 540 De Haro St | W C Plumbing & Fire Protection | install 390 sprinklers throughout per nfpa #13 wet stand pipe per nfpa314, underground sep permit ti 201502107867Details
install 390 sprinklers throughout per nfpa #13 wet stand pipe per nfpa314, underground sep permit ti 201502107867 | $100,000 |
| Mar 28, 2019 | Completed final sign-off Feb 2020 | 1601 Lincoln Wy | W C Plumbing & Fire Protection | revision to pa 2019-0322-5986 deleting (n) fire meterDetails
revision to pa 2019-0322-5986 deleting (n) fire meter | |
| Mar 22, 2019 | Completed final sign-off Feb 2020 | 1601 Lincoln Wy | W C Plumbing & Fire Protection | install 21 sprinklers at new adu on ground flr only per nfpa#13 underground per nfpa#24 ti 201710030291Details
install 21 sprinklers at new adu on ground flr only per nfpa#13 underground per nfpa#24 ti 201710030291 | $8,000 |
| Feb 28, 2019 | Completed final sign-off Jul 2021 | 21 Mountain Spring Av | W C Plumbing & Fire Protection | submit underground as built planDetails
submit underground as built plan | |
| Feb 28, 2019 | Completed final sign-off Aug 2019 | 1229 Connecticut St | W C Plumbing & Fire Protection | revise layouts and add zone control valve assemblyDetails
revise layouts and add zone control valve assembly | |
| Jan 28, 2019 | Completed final sign-off Jun 2019 | 75 Federal St | W C Plumbing & Fire Protection | reroute (e) fire sercice from discharge side of existing detector ck assembly to bldt. add new riser assembly at bldg and install new fdc on de boom st.Details
reroute (e) fire sercice from discharge side of existing detector ck assembly to bldt. add new riser assembly at bldg and install new fdc on de boom st. | $63,400 |
| Dec 12, 2018 | Completed final sign-off Oct 2019 | 2346 Lombard St | W C Plumbing & Fire Protection | install 141 sprinklers per nfpa #13 & standpipe per nfpa #14 ref pa 2015-1103-1632.underground under seperate permit #201810102739Details
install 141 sprinklers per nfpa #13 & standpipe per nfpa #14 ref pa 2015-1103-1632.underground under seperate permit #201810102739 | $40,000 |
| Oct 10, 2018 | Never finaled issued Oct 2018, no final | 2346 Lombard St | W C Plumbing & Fire Protection | install 14 feet of underground fire line per nfpa 24. ref ti #201511031632.Details
install 14 feet of underground fire line per nfpa 24. ref ti #201511031632. | $5,000 |
| Sep 26, 2018 | Completed final sign-off Dec 2021 | 1229 Connecticut St | W C Plumbing & Fire Protection | install 86 sprinklers throughout per nfpa 13 underground per ndpa 24 ti 201706209825Details
install 86 sprinklers throughout per nfpa 13 underground per ndpa 24 ti 201706209825 | $25,000 |
| Aug 17, 2018 | Completed final sign-off Nov 2018 | 1088 Sansome St | W C Plumbing & Fire Protection | install (179) pendent heads below, new drop ceiling per nfpa#13.Details
install (179) pendent heads below, new drop ceiling per nfpa#13. | $30,000 |
| Jun 26, 2018 | Completed final sign-off Jun 2020 | 540 De Haro St | W C Plumbing & Fire Protection | install 20 feet of new underground piping per nfpa 24Details
install 20 feet of new underground piping per nfpa 24 | $10,000 |
| Jun 22, 2018 | Completed final sign-off Aug 2019 | 4043 Cesar Chavez St | W C Plumbing & Fire Protection | install spriniklers throughout nfpa 13r underground per nfpa 14; t.i. 201512215657Details
install spriniklers throughout nfpa 13r underground per nfpa 14; t.i. 201512215657 | $15,000 |
| Dec 14, 2017 | Completed final sign-off Jul 2018 | 319 Kensington Wy | W C Plumbing & Fire Protection | install 33 sprinklers per nfpa #13-d underground per nfpa #24. ref ti #201706290660.Details
install 33 sprinklers per nfpa #13-d underground per nfpa #24. ref ti #201706290660. | $15,000 |
| Jul 20, 2017 | Never finaled issued Jul 2017, no final | 21 Mountain Spring Av | W C Plumbing & Fire Protection | install (82) new sprinklers per nfpa#13-r & underground per nfpa#24. new bldg. pa#201009171084Details
install (82) new sprinklers per nfpa#13-r & underground per nfpa#24. new bldg. pa#201009171084 | $25,000 |
| Jan 31, 2017 | Never finaled issued Jan 2017, no final | 3534 Taraval St | W C Plumbing & Fire Protection | install 93 heads throughout per nfpa #13, standpipe per nfpa#14 and underground per nfpa #24 ti 20071212029Details
install 93 heads throughout per nfpa #13, standpipe per nfpa#14 and underground per nfpa #24 ti 20071212029 | $28,000 |
| Jul 19, 2016 | Completed final sign-off Jul 2021 | 2100 Market St | W C Plumbing & Fire Protection, Granite Excavation & Demolition Inc, Crime Watch Security Sys Llc | to erect 7 stories, no basement, 60 units residential with mix use type 1 construction.Details
to erect 7 stories, no basement, 60 units residential with mix use type 1 construction. | $12,520,000 |
| Nov 19, 2015 | Completed final sign-off Sep 2016 | 520 09th St | W C Plumbing & Fire Protection | install new fire sprinkler system throughout the building per nfpa13 underground per nfpa 24 (total heads= 203) maher n/aDetails
install new fire sprinkler system throughout the building per nfpa13 underground per nfpa 24 (total heads= 203) maher n/a | $58,000 |
| Jun 19, 2015 | Completed final sign-off Apr 2016 | 298 Alabama St | W C Plumbing & Fire Protection | tenant improvement relocation and drop head for existing fire sprinkler system for t-bar ceiling and install new 6" backflow preventer. additional bracing. (no underground work). ref #2014-12-24-4455 relocating 21, 108 total. compliance with maher ordinance no 155-13 not required.Details
tenant improvement relocation and drop head for existing fire sprinkler system for t-bar ceiling and install new 6" backflow preventer. additional bracing. (no underground work). ref #2014-12-24-4455 relocating 21, 108 total. compliance with maher ordinance no 155-13 not required. | $23,000 |
| May 12, 2015 | Completed final sign-off May 2016 | 5680 Mission St | W C Plumbing & Fire Protection | installation of new fire sprinkler system througout building per nfpa-13. project includes new 4" copper 'k' underground fire service. monitoring under sep.permit ref. arch. app. 3 2013.1025.0236Details
installation of new fire sprinkler system througout building per nfpa-13. project includes new 4" copper 'k' underground fire service. monitoring under sep.permit ref. arch. app. 3 2013.1025.0236 | $16,000 |
| Feb 24, 2015 | Completed final sign-off May 2022 | 2401 16th St | W C Plumbing & Fire Protection | install (4) sprinkler head for driveway as shown on the drawing & 2" underground sprinkler main. n/a maher ordinanceDetails
install (4) sprinkler head for driveway as shown on the drawing & 2" underground sprinkler main. n/a maher ordinance | $2,800 |
| Nov 25, 2013 | Completed final sign-off Jan 2016 | 2421 16th St | W C Plumbing & Fire Protection | (compliance with maher ordinance - extended no.155-13 not required. excavation less than 50 cu. yd.) install full fire sprinkler system to all floors as shown on drawing including underground work, total heads: 383. ref. pa#2012 0824 8160Details
(compliance with maher ordinance - extended no.155-13 not required. excavation less than 50 cu. yd.) install full fire sprinkler system to all floors as shown on drawing including underground work, total heads: 383. ref. pa#2012 0824 8160 | $81,000 |
| Oct 29, 2013 | Completed final sign-off Aug 2014 | 969 Market St | W C Plumbing & Fire Protection | new fire sprinkler system to all floors as shown on plan-310 sprinklers. no underground work. use existing 6-inch fire main. compliance with maher ordinance no 155-13 not req, no disturbance of at least 50 cu yd of soil.Details
new fire sprinkler system to all floors as shown on plan-310 sprinklers. no underground work. use existing 6-inch fire main. compliance with maher ordinance no 155-13 not req, no disturbance of at least 50 cu yd of soil. | $83,000 |
| Jul 26, 2013 | Completed final sign-off Dec 2017 | 1942 Market St | W C Plumbing & Fire Protection | install new fire sprinkler system through-out building per nfpa 13 with new 4" fire service as show on existing bldg.Details
install new fire sprinkler system through-out building per nfpa 13 with new 4" fire service as show on existing bldg. | $8,000 |
| Jul 23, 2013 | Completed final sign-off Aug 2014 | 173 Marston Av | W C Plumbing & Fire Protection | install fire sprinkler system per nfpa 13d to all floor as shown on plans w/new 1 1/2" combo fire service. total sprinkler heads: 59. t.i. app# 201008168852Details
install fire sprinkler system per nfpa 13d to all floor as shown on plans w/new 1 1/2" combo fire service. total sprinkler heads: 59. t.i. app# 201008168852 | $8,000 |
| Jul 23, 2013 | Never finaled issued Jul 2013, no final | 4318 26th St | W C Plumbing & Fire Protection | install new fire sprinkler system per nfpa 13d to all floors with new 1" combo fire service as shown on drawings, 50 heads totalDetails
install new fire sprinkler system per nfpa 13d to all floors with new 1" combo fire service as shown on drawings, 50 heads total | $8,000 |
| Nov 27, 2012 | Completed final sign-off Nov 2013 | 3500 19th St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as shown on the drawing including underground. total head is 477. ref pa# 200605010369Details
install fire sprinkler system to all floors as shown on the drawing including underground. total head is 477. ref pa# 200605010369 | $83,000 |
| Nov 27, 2012 | Completed final sign-off Nov 2013 | 616 20th St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as show on the drawing including underground. total head is 340. ref pa# 201012096405 & 201012096400Details
install fire sprinkler system to all floors as show on the drawing including underground. total head is 340. ref pa# 201012096405 & 201012096400 | $88,000 |
| Jul 6, 2012 | Completed final sign-off Jul 2012 | 77 Van Ness Av | W C Plumbing & Fire Protection | unit #201-t.i-relocated (e) sprinkler heads, total of 23 sprinkler headsDetails
unit #201-t.i-relocated (e) sprinkler heads, total of 23 sprinkler heads | $5,000 |
| Jul 6, 2012 | Completed final sign-off Aug 2012 | 701 Bay Shore Bl | W C Plumbing & Fire Protection | replace extg sprinkler head and install new head. replace extg 6" and 8" double check detector assemblies and install new 6" and 8" double check.Details
replace extg sprinkler head and install new head. replace extg 6" and 8" double check detector assemblies and install new 6" and 8" double check. | $20,000 |
| Jun 15, 2012 | Completed final sign-off Jan 2013 | 385 21st Av | W C Plumbing & Fire Protection | install fire sprinkler system to all floor as shown on drawing including 4" underground. total 63 heads.Details
install fire sprinkler system to all floor as shown on drawing including 4" underground. total 63 heads. | $18,000 |
| Jun 15, 2012 | Completed final sign-off Feb 2013 | 1461 Pine St | W C Plumbing & Fire Protection | install fire sprinkler system to all floor as show drawing including underground. total heat 651.Details
install fire sprinkler system to all floor as show drawing including underground. total heat 651. | $98,000 |
| Jun 15, 2012 | Completed final sign-off Dec 2012 | 5700 Geary Bl | W C Plumbing & Fire Protection | installation of new fire sprinkler system to floor areas and communicating openings as shown on drawing. work includes 4" underground and water meter. system total: 55 sprinkler heads. ++app#Details
installation of new fire sprinkler system to floor areas and communicating openings as shown on drawing. work includes 4" underground and water meter. system total: 55 sprinkler heads. ++app# | $18,000 |
| Nov 3, 2011 | Completed final sign-off Mar 2012 | 1136 Clement St | W C Plumbing & Fire Protection | install fire sprinkler system as shown on drawing. total head=53Details
install fire sprinkler system as shown on drawing. total head=53 | $12,000 |
| Sep 21, 2011 | Completed final sign-off Apr 2012 | 1233 Connecticut St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as shown on drawings including underground, total of 94 headsDetails
install fire sprinkler system to all floors as shown on drawings including underground, total of 94 heads | $18,000 |
| Sep 21, 2011 | Completed final sign-off Apr 2012 | 1251 Connecticut St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as shown on drawings including underground, total of 92 headsDetails
install fire sprinkler system to all floors as shown on drawings including underground, total of 92 heads | $18,000 |
| Sep 21, 2011 | Never finaled issued Nov 2011, no final | 1261 Connecticut St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as shown on drawings including underground, total of 94 headsDetails
install fire sprinkler system to all floors as shown on drawings including underground, total of 94 heads | $18,000 |
| Jun 29, 2011 | Completed final sign-off Feb 2016 | 1029 Natoma St | W C Plumbing & Fire Protection | install new fire sprinkler system and standpipes to all floor as shown on drawing. total head 107Details
install new fire sprinkler system and standpipes to all floor as shown on drawing. total head 107 | $28,000 |
| Jun 29, 2011 | Completed final sign-off Jul 2011 | 121 09th St | W C Plumbing & Fire Protection | fire sprinkler " as built". relocated 8 heads, add 9 heads and chagepiping. ref#2005.05.18.2747s-3Details
fire sprinkler " as built". relocated 8 heads, add 9 heads and chagepiping. ref#2005.05.18.2747s-3 | |
| Feb 17, 2011 | Completed final sign-off Oct 2011 | 263 Dorland St | W C Plumbing & Fire Protection | rear building with 2 units - install full fire sprinkler system and standpipes per nfpa 13 & 14 and tie-into front building sprinkler system which will be installed under separate permit no. 2011-0211-0121Details
rear building with 2 units - install full fire sprinkler system and standpipes per nfpa 13 & 14 and tie-into front building sprinkler system which will be installed under separate permit no. 2011-0211-0121 | $15,000 |
| Feb 11, 2011 | Completed final sign-off Oct 2011 | 257 Dorland St | W C Plumbing & Fire Protection | 3 front bldg units - install fire sprinkler system to all 4 floors as shown on drawings. rear cottage building sprinkler system installed under separate permit application no. 2011-0217-0464Details
3 front bldg units - install fire sprinkler system to all 4 floors as shown on drawings. rear cottage building sprinkler system installed under separate permit application no. 2011-0217-0464 | $25,000 |
| Dec 6, 2010 | Never finaled issued Dec 2010, no final | 2419 Franklin St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as shown on drawings, total of 107 headsDetails
install fire sprinkler system to all floors as shown on drawings, total of 107 heads | $18,000 |
| Nov 12, 2010 | Completed final sign-off May 2011 | 1740 17th St | W C Plumbing & Fire Protection | drop (8) sprinkler heads from upright to pendantDetails
drop (8) sprinkler heads from upright to pendant | $2,000 |
| May 5, 2010 | Expired or cancelled withdrawn Jun 2010 | 121 09th St | W C Plumbing & Fire Protection | install fire sprinkler system to all floors as shown on drawings. total sprinkler head 339. this plan must be resubmitted under the addendum s3.Details
install fire sprinkler system to all floors as shown on drawings. total sprinkler head 339. this plan must be resubmitted under the addendum s3. | $83,000 |
| Feb 13, 2009 | Completed final sign-off Jan 2011 | 1740 17th St | W C Plumbing & Fire Protection | install fire sprinkler system to all floor as show on drawing to nfpa 13 with new 4" fire service, ref #200810083721.Details
install fire sprinkler system to all floor as show on drawing to nfpa 13 with new 4" fire service, ref #200810083721. | $98,000 |
| Jan 29, 2009 | Completed final sign-off Dec 2010 | 100 Mallorca Wy | W C Plumbing & Fire Protection | install fire sprinkler system to all floor as shown drawing. total head is 82. reference #200711137939Details
install fire sprinkler system to all floor as shown drawing. total head is 82. reference #200711137939 | $20,000 |
| Jan 29, 2009 | Completed final sign-off Sep 2011 | 2400 Balboa St | W C Plumbing & Fire Protection | install nfpa 13 fire sprinkler system to all floor as shown on drawing. nwe 2 ' fire only underground and meter- r-3 occupancy- no sprinkler monitoring required... total head is 50. reference #200612119580Details
install nfpa 13 fire sprinkler system to all floor as shown on drawing. nwe 2 ' fire only underground and meter- r-3 occupancy- no sprinkler monitoring required... total head is 50. reference #200612119580 | $20,000 |
| Sep 15, 2008 | Completed final sign-off Jun 2009 | 942 South Van Ness Av | W C Plumbing & Fire Protection | revision to appl #200807166800 - change dedicated service instead of combination service.Details
revision to appl #200807166800 - change dedicated service instead of combination service. | |
| Jul 16, 2008 | Expired or cancelled expired Jun 2009 | 942 South Van Ness Av | W C Plumbing & Fire Protection | install fire sprinkler system for all floor. total 127 heads.Details
install fire sprinkler system for all floor. total 127 heads. | $20,000 |
| Jun 23, 2008 | Completed final sign-off Oct 2009 | 1299 Bush St | W C Plumbing & Fire Protection | provide and install fire sprinkler system per design drawing on all floors.Details
provide and install fire sprinkler system per design drawing on all floors. | $100,000 |
| Sep 7, 2007 | Expired or cancelled expired Dec 2008 | 1515 Greenwich St | W C Plumbing & Fire Protection | install fire sprinkler system only ongarage as shown on drawing.Details
install fire sprinkler system only ongarage as shown on drawing. | $25,000 |