Chau Tang

License: E17222; Look the license up with the state
Listed as: engineer
On San Francisco permits: Oct 2014 to Jul 2025

5 permits since 2000 (engineer on 5 permits): 3 completed, 1 in progress, 1 never finaled.

CompletedIn progressNever finaledExpired 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. How to read these records

Most recent permits

Filed	Outcome	Address	Contractor	Work described on the permit	Declared cost
Jul 25, 2025	In progress issued Feb 2026	5235 Diamond Heights Bl	Metropolitan Electrical Construction	t-mobile: install 6 new antennas, 6 radios, add 2 cabinets, remove 1 existing cabinet, remove 1 antenna. Details Permit 202507251587 Status issued Filed Jul 25, 2025 Permit issued Feb 9, 2026 Declared cost $25,000 Address 5235 Diamond Heights Bl t-mobile: install 6 new antennas, 6 radios, add 2 cabinets, remove 1 existing cabinet, remove 1 antenna. Open the permit page	$25,000
Jan 21, 2021	Completed final sign-off Dec 2022	758 Divisadero St	Metropolitan Electrical Construction	att modification: swap 3 (e) antennas. swap 6 (e) rru's with 3 (n) rru's. relocate 2 (e) anteannas to within 2 (n) frp radomes. upgrade (e) 100a meter with 200a meter. no change to (e) batteries. Details Permit 202101213033 Status complete Filed Jan 21, 2021 Permit issued Aug 6, 2021 Final sign-off Dec 28, 2022 Declared cost $38,000 Address 758 Divisadero St att modification: swap 3 (e) antennas. swap 6 (e) rru's with 3 (n) rru's. relocate 2 (e) anteannas to within 2 (n) frp radomes. upgrade (e) 100a meter with 200a meter. no change to (e) batteries. Open the permit page	$38,000
Jul 16, 2019	Completed final sign-off Jan 2024	755 Stanyan St	Advanced Wireless & Logistics Inc	installation of an att wireless telecom facility. 12 antennas, 24 rru's, 4 dc-6 surge suppressors. ground equipment for telco + power sow on cps. Details Permit 201907166011 Status complete Filed Jul 16, 2019 Permit issued Jul 15, 2021 Final sign-off Jan 4, 2024 Declared cost $200,000 Address 755 Stanyan St installation of an att wireless telecom facility. 12 antennas, 24 rru's, 4 dc-6 surge suppressors. ground equipment for telco + power sow on cps. Open the permit page	$200,000
Apr 24, 2019	Never finaled issued Jan 2020, no final	81 09th St	Sac Wireless	replace 3 antennas w/ 3 antennas, replace 3 rrus with 9 rrus, install 1 elter radio cabinet on (p) equipment pad, 1 elter battery cabineton (p) pad, 1 elter 1-cabent on (p) pad, install (1) 100a ppc cabinet on (p) h-frame, install (p) 30" dia faux vent for sector "3" only install diplexors Details Permit 201904248839 Status issued Filed Apr 24, 2019 Permit issued Jan 8, 2020 Declared cost $20,000 Address 81 09th St replace 3 antennas w/ 3 antennas, replace 3 rrus with 9 rrus, install 1 elter radio cabinet on (p) equipment pad, 1 elter battery cabineton (p) pad, 1 elter 1-cabent on (p) pad, install (1) 100a ppc cabinet on (p) h-frame, install (p) 30" dia faux vent for sector "3" only install diplexors Open the permit page	$20,000
Oct 16, 2014	Completed final sign-off Aug 2016	1 La Avanzada	Jtd Consulting Inc Dba Wireless Infrast	install a new broadcast transmitter, equipment rack, 200 amp electrical panel, new tuss, new ac unit, new heat exchanger and new metal stud wall. Details Permit 201410169158 Status complete Filed Oct 16, 2014 Permit issued Nov 21, 2014 Final sign-off Aug 11, 2016 Declared cost $120,000 Address 1 La Avanzada install a new broadcast transmitter, equipment rack, 200 amp electrical panel, new tuss, new ac unit, new heat exchanger and new metal stud wall. Open the permit page	$120,000