Zhen Chao Xiong
- Listed as
- architect, engineer
- Firm
- Innovative Mechanical
- Based in
- South San Francisco
- On San Francisco permits
- Jul 2018 to Jun 2021
55 permits since 2000 (engineer on 52 permits, architect on 3 permits): 43 completed, 12 never finaled.
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 |
|---|---|---|---|---|---|
| Jun 3, 2021 | Completed final sign-off Aug 2021 | 901 Mission St | Sc Builders, Inc | 3/f: revision to pa 202011239545. mep for the project adding the revision pages for the architectureal wall changes to match back ground of meps.Details
3/f: revision to pa 202011239545. mep for the project adding the revision pages for the architectureal wall changes to match back ground of meps. | |
| Jun 1, 2021 | Completed final sign-off Feb 2022 | 315 Montgomery St | Bcci Construction Company | 3rd fl - revision to pa 2019-1028-5690. new non structural partitions, ceilings, lighting, finishes, doors, frames, hardware and millwork. removal of 1 a-3 occupancy space. meeting room is an a-3 assembly space mep includedDetails
3rd fl - revision to pa 2019-1028-5690. new non structural partitions, ceilings, lighting, finishes, doors, frames, hardware and millwork. removal of 1 a-3 occupancy space. meeting room is an a-3 assembly space mep included | $132,000 |
| Apr 26, 2021 | Never finaled issued May 2021, no final | 160 Spear St | Sc Builders, Inc | 15th fl: revision to pa# 202010317929. mep for the project.Details
15th fl: revision to pa# 202010317929. mep for the project. | $50,000 |
| Apr 7, 2021 | Completed final sign-off Oct 2021 | 555 California St | Bcci Construction Company | 1st fl, concourse level: non structural demolition. new non structural partitions, doors, glazing, lighting and finishes. no change in occupancy, use, or area. life safety and sprinklers under separate permit.Details
1st fl, concourse level: non structural demolition. new non structural partitions, doors, glazing, lighting and finishes. no change in occupancy, use, or area. life safety and sprinklers under separate permit. | $43,050 |
| Mar 22, 2021 | Completed final sign-off Sep 2024 | 140 Sutter St | Bcci Construction Company | 1st fl: scope to include gallery display, lecture hall, meeting rooms and cafe/retail on ground level. office work space in upper level. change in occupancy from m to a-3.Details
1st fl: scope to include gallery display, lecture hall, meeting rooms and cafe/retail on ground level. office work space in upper level. change in occupancy from m to a-3. | $1,400,000 |
| Mar 15, 2021 | Completed final sign-off Oct 2021 | 1160 Battery St | Bcci Construction Company | 1st fl: demo and rebuild back of non-structural partitions. m.e.p./structural included. ref pa# 202011068411. water sump closed. 6'x6'x5'.Details
1st fl: demo and rebuild back of non-structural partitions. m.e.p./structural included. ref pa# 202011068411. water sump closed. 6'x6'x5'. | $40,000 |
| Mar 11, 2021 | Completed final sign-off Jun 2021 | 135 Main St | Skyline Construction | ste 1875: mechanical and electrical work for tenant improvement. ref arch pa# 202012231596.Details
ste 1875: mechanical and electrical work for tenant improvement. ref arch pa# 202012231596. | $20,000 |
| Feb 18, 2021 | Completed final sign-off Sep 2021 | 155 Greenwich St | Bcci Construction Company | 1st fl. mep- deferred submittal to support approved architectural plans, new water source heat pumps, exhaust fan, and outside air fan ref. pa# 2020-1103-8046Details
1st fl. mep- deferred submittal to support approved architectural plans, new water source heat pumps, exhaust fan, and outside air fan ref. pa# 2020-1103-8046 | $50,000 |
| Jan 21, 2021 | Completed final sign-off Apr 2021 | 450 Sansome St | Skyline Construction | 10/f: new lighting and branch circuiting to (e) panel. install new vav box. re-distribute downsteam duct work for new layout. ref pa 202010217059Details
10/f: new lighting and branch circuiting to (e) panel. install new vav box. re-distribute downsteam duct work for new layout. ref pa 202010217059 | $495 |
| Nov 12, 2020 | Completed final sign-off Feb 2021 | 2 Harrison St | Skyline Construction | ste #180: mechanical & electrical work for tenant improvement. ref arch pa# 202009174438.Details
ste #180: mechanical & electrical work for tenant improvement. ref arch pa# 202009174438. | $25,000 |
| Oct 26, 2020 | Completed final sign-off Aug 2021 | 301 Howard St | Novo Construction Inc | 13/f: mechanical & electrical work for t.i. ref pa202009144100. maher n/aDetails
13/f: mechanical & electrical work for t.i. ref pa202009144100. maher n/a | $95,000 |
| Oct 22, 2020 | Completed final sign-off Sep 2021 | 1 Market St | Bcci Construction Company | 28/f: new lobby with operable partition, additional gender neutral restroom, updated restroom and breakroom area. maher n/a.Details
28/f: new lobby with operable partition, additional gender neutral restroom, updated restroom and breakroom area. maher n/a. | $550,000 |
| Oct 22, 2020 | Completed final sign-off Sep 2021 | 1 Market St | Bcci Construction Company | 27/f: updated break room millwork. 2 single occupany restrooms, updates to (e) restrooms, paint and carpet. mep included. maher n/a.Details
27/f: updated break room millwork. 2 single occupany restrooms, updates to (e) restrooms, paint and carpet. mep included. maher n/a. | $550,000 |
| Oct 22, 2020 | Completed final sign-off Sep 2021 | 1 Market St | Bcci Construction Company | 31/f: updated break room millwork. 2 single occupany restrooms, updates to (e) restrooms, paint and carpet. mep included. maher n/a.Details
31/f: updated break room millwork. 2 single occupany restrooms, updates to (e) restrooms, paint and carpet. mep included. maher n/a. | $550,000 |
| Sep 26, 2020 | Completed final sign-off Mar 2021 | 301 Howard St | Skyline Construction | 18/f: mechanical & electrical work for t.. on the 18/f. ref ti pa 202007069647. maher n/aDetails
18/f: mechanical & electrical work for t.. on the 18/f. ref ti pa 202007069647. maher n/a | $125,000 |
| Aug 7, 2020 | Completed final sign-off Dec 2020 | 185 Berry St | Rossi Builders Inc. | suite 200: selective demo of partitions, door/frames/hardware, power/data and ceiling/lighting. new partitions, oors/frames/hardware, power/data, light fixtures, patching/repairing of (e) finishes & ceiling grid. life safety & fire protection modifications will be submitted uner separate cover.Details
suite 200: selective demo of partitions, door/frames/hardware, power/data and ceiling/lighting. new partitions, oors/frames/hardware, power/data, light fixtures, patching/repairing of (e) finishes & ceiling grid. life safety & fire protection modifications will be submitted uner separate cover. | $259,000 |
| Feb 28, 2020 | Completed final sign-off Sep 2020 | 724 Battery St | Gci, Inc | install 1 new exhaut fan. revise (e) duct work for new floor plan. ref #201912270748.Details
install 1 new exhaut fan. revise (e) duct work for new floor plan. ref #201912270748. | |
| Feb 28, 2020 | Never finaled issued Mar 2020, no final | 500 Sansome St | Centric Construction Inc | ste. #402 - demo of (e) non-load bearing partitions, doors & lighting; construction of (n) non-load bearing partitions, doors, finishing & lighting.Details
ste. #402 - demo of (e) non-load bearing partitions, doors & lighting; construction of (n) non-load bearing partitions, doors, finishing & lighting. | $605,646 |
| Feb 3, 2020 | Completed final sign-off Jun 2020 | 135 Main St | Skyline Construction | suite #2150: redistribute existing ductwork for new floor layout. install (1) 2 pipe fan coil. reference pa #2019-1126-8174Details
suite #2150: redistribute existing ductwork for new floor layout. install (1) 2 pipe fan coil. reference pa #2019-1126-8174 | $75,000 |
| Jan 23, 2020 | Completed final sign-off Nov 2020 | 160 Spear St | Skyline Construction | t.i. to include new office spaces, modified open offices, mep to accomodate new layout n/a maherDetails
t.i. to include new office spaces, modified open offices, mep to accomodate new layout n/a maher | $500,000 |
| Dec 30, 2019 | Completed final sign-off Jul 2020 | 77 Maiden Ln | Bcci Construction Company | 4th fl - mep deferred submittal to support previously approved arch permit #201912179727. redistribute existing ductwork and install (2) new wshps. electrical work for 3rd, 4th , 5th fl.Details
4th fl - mep deferred submittal to support previously approved arch permit #201912179727. redistribute existing ductwork and install (2) new wshps. electrical work for 3rd, 4th , 5th fl. | $50,000 |
| Dec 6, 2019 | Completed final sign-off Aug 2020 | 4 Embarcadero Center | Gci, Inc | 33rd fl - ref pa 2019-1112-7069 mechanical 31 new vav, 1 wshp, 1 transfer fan, 2 fire sd revise ductworkDetails
33rd fl - ref pa 2019-1112-7069 mechanical 31 new vav, 1 wshp, 1 transfer fan, 2 fire sd revise ductwork | $1,500,000 |
| Nov 14, 2019 | Completed final sign-off Jul 2020 | 77 Maiden Ln | Bcci Construction Company | 3rd & 5th fl - mep deferred submittal support approved arch set. re-distribute existing ductwork for new floor layout. ref pa 2019-1106-6580 and 2019-1106-6576Details
3rd & 5th fl - mep deferred submittal support approved arch set. re-distribute existing ductwork for new floor layout. ref pa 2019-1106-6580 and 2019-1106-6576 | $80,000 |
| Nov 8, 2019 | Completed final sign-off Feb 2020 | 315 Montgomery St | Bcci Construction Company | 14th fl - mep drawings to support approved arch set. install (1) new vav box and revise existing ductwork for new floor plan. ref pa #201910043559.Details
14th fl - mep drawings to support approved arch set. install (1) new vav box and revise existing ductwork for new floor plan. ref pa #201910043559. | $80,000 |
| Oct 28, 2019 | Completed final sign-off Jun 2020 | 465 California St | Bcci Construction Company | 11th fl - mechanical & electrical drawings to support architectural install new vav boxes, steam, radiotors, exhaust fans, transfer air fan, and fire/smoke dampers. ref pa 2019-0830-0383Details
11th fl - mechanical & electrical drawings to support architectural install new vav boxes, steam, radiotors, exhaust fans, transfer air fan, and fire/smoke dampers. ref pa 2019-0830-0383 | $450,000 |
| Oct 24, 2019 | Completed final sign-off Jan 2020 | 425 Market St | Gci, Inc | 25th floor: revise extg duct work for new floor plan. reference permit app#201909101221. plumbing floor drain and water arrestor add. n/a for maherDetails
25th floor: revise extg duct work for new floor plan. reference permit app#201909101221. plumbing floor drain and water arrestor add. n/a for maher | |
| Oct 16, 2019 | Never finaled issued Oct 2019, no final | 332 Pine St | Novo Construction Inc | 7/f:ref pa# 201901180704; mep for t.i. on the 7th fl. to const of (1) new vrv system (2) new in line fans, new power, lightiing and controls (2). maher n/a.Details
7/f:ref pa# 201901180704; mep for t.i. on the 7th fl. to const of (1) new vrv system (2) new in line fans, new power, lightiing and controls (2). maher n/a. | $5,000 |
| Oct 9, 2019 | Completed final sign-off Jan 2020 | 555 California St | Gci, Inc | 5/f: redistribute (e) ductwork for new floor layout. partial t.i. retrofit: lighting, power & signal, wiring & controls. ref t.i. pa#201907196357.Details
5/f: redistribute (e) ductwork for new floor layout. partial t.i. retrofit: lighting, power & signal, wiring & controls. ref t.i. pa#201907196357. | $125,000 |
| Oct 9, 2019 | Completed final sign-off Mar 2021 | 1 Embarcadero Center | Gci, Inc | suite 3500: redistribute (e) ductwork & isntall 6 new vav box; making connections to base building (e) panels.connecting power to light fixtures, outleets & tenant equipment. ref pa#201908138669.Details
suite 3500: redistribute (e) ductwork & isntall 6 new vav box; making connections to base building (e) panels.connecting power to light fixtures, outleets & tenant equipment. ref pa#201908138669. | $350,000 |
| Aug 27, 2019 | Never finaled issued Aug 2019, no final | 1685 Haight St | Gci, Inc | install new split system heat pump/fan coil unit, install 1 new exhaust fan, install 1 new supply fan. new ducting. ref t.i. pa201902082526.Details
install new split system heat pump/fan coil unit, install 1 new exhaust fan, install 1 new supply fan. new ducting. ref t.i. pa201902082526. | $20,000 |
| Aug 19, 2019 | Completed final sign-off Oct 2019 | 505 Sansome St | Skyline Construction | 10th fl - mep to architectural pa 2019-0806-7983Details
10th fl - mep to architectural pa 2019-0806-7983 | $145,000 |
| Aug 9, 2019 | Completed final sign-off Mar 2020 | 1 Maritime Pz | Gci, Inc | suite 1665: install 1 new vav box. relocate 1 extg vav box. revise extg ductwork for new floor plan. connecting power to light fixtures, power outlets and tenant equipment. connections to base bldg extg panels. ref app#201905221350. n/a for maherDetails
suite 1665: install 1 new vav box. relocate 1 extg vav box. revise extg ductwork for new floor plan. connecting power to light fixtures, power outlets and tenant equipment. connections to base bldg extg panels. ref app#201905221350. n/a for maher | |
| Aug 2, 2019 | Completed final sign-off Oct 2019 | 650 California St | Skyline Construction | rev to pa 201902041949; add heat pumpDetails
rev to pa 201902041949; add heat pump | |
| Jul 15, 2019 | Never finaled issued Jul 2019, no final | 1 Sansome St | Innovative Mechanical Inc | replace extg hvac system. ref app#201811135738Details
replace extg hvac system. ref app#201811135738 | $10,000 |
| Jun 26, 2019 | Never finaled issued Jun 2019, no final | 150 Post St | Novo Construction Inc | suite 200. mechanical work for t.i. 1 (n) vav box and 1 bathroom exhaust fan. ref pa 201804136315Details
suite 200. mechanical work for t.i. 1 (n) vav box and 1 bathroom exhaust fan. ref pa 201804136315 | $20,000 |
| May 24, 2019 | Completed final sign-off Oct 2019 | 425 Market St | Gci, Inc | mechanical revise ductwork electricalDetails
mechanical revise ductwork electrical | $220,000 |
| May 23, 2019 | Completed final sign-off Jan 2021 | 101 Hyde St | Bcci Construction Company | first flr - mep to support approved arch. (n) exhaust hoods, exhaust fans, grease duct, lighting & plumbing. ref pa# 2019-0215-3115.Details
first flr - mep to support approved arch. (n) exhaust hoods, exhaust fans, grease duct, lighting & plumbing. ref pa# 2019-0215-3115. | $220,000 |
| May 20, 2019 | Completed final sign-off Nov 2019 | 221 Main St | Source Planning And Construction Inc | 7th fl: suite #770: mechanical for 201901039531. n/a for maher.Details
7th fl: suite #770: mechanical for 201901039531. n/a for maher. | |
| May 17, 2019 | Completed final sign-off Aug 2019 | 1 Market St | Gci, Inc | 32nd flr mech & ele 16 new vav boxes, 3 fan powered boxes, 8 wshps, 2 transfer fanm 1 shower exhaust, 1 circulation pump, install 7 condensate pumpsDetails
32nd flr mech & ele 16 new vav boxes, 3 fan powered boxes, 8 wshps, 2 transfer fanm 1 shower exhaust, 1 circulation pump, install 7 condensate pumps | $200,000 |
| May 17, 2019 | Completed final sign-off Sep 2019 | 180 Montgomery St | Skyline Construction | 13th flr. mep's for permit 201904157931.Details
13th flr. mep's for permit 201904157931. | $268,000 |
| Mar 4, 2019 | Completed final sign-off Aug 2019 | 101 Mission St | Gci, Inc | suite 210. install 1 new vav box. revise ductwork for new floor planDetails
suite 210. install 1 new vav box. revise ductwork for new floor plan | |
| Feb 11, 2019 | Completed final sign-off Jun 2019 | 2 Embarcadero Center | Bcci Construction Company | 16th fl mech,elec, plumbing to support apprvd arch. in stall 4 new wshps and 4 new vav boxes. ref 201901140263Details
16th fl mech,elec, plumbing to support apprvd arch. in stall 4 new wshps and 4 new vav boxes. ref 201901140263 | $60,000 |
| Feb 4, 2019 | Never finaled issued Feb 2019, no final | 353 Sacramento St | Novo Construction Inc | 17th flr. mechnical & electrical for tenant improvement.Details
17th flr. mechnical & electrical for tenant improvement. | $5,000 |
| Jan 30, 2019 | Completed final sign-off Apr 2019 | 4 Embarcadero Center | Source Planning And Construction Inc | 34/f: mechanical and electrical title 24 compliance for pa201812118012. maher n/a.Details
34/f: mechanical and electrical title 24 compliance for pa201812118012. maher n/a. | |
| Jan 25, 2019 | Completed final sign-off May 2019 | 1 Embarcadero Center | Skyline Construction | mechanical, electrical, plumbing for tenant improvement on 38th fl ref 201901230964Details
mechanical, electrical, plumbing for tenant improvement on 38th fl ref 201901230964 | $140,000 |
| Jan 24, 2019 | Completed final sign-off May 2019 | 274 Brannan St | Sc Builders, Inc | mep for tenat improvement.Details
mep for tenat improvement. | $250,000 |
| Jan 4, 2019 | Completed final sign-off Apr 2019 | 559 Clay St | Rossi Builders Inc. | mech: install (1) new wshp (1) new exhaust fan. relocate (1) wshp, relocate (1) existing wall mounted fcu, demolish 3rd fl cws/r piping and install new piping, install new supply duct. ref 201808248246 original paDetails
mech: install (1) new wshp (1) new exhaust fan. relocate (1) wshp, relocate (1) existing wall mounted fcu, demolish 3rd fl cws/r piping and install new piping, install new supply duct. ref 201808248246 original pa | $75,000 |
| Jan 3, 2019 | Never finaled issued Jan 2019, no final | 4 Embarcadero Center | Skyline Construction | mechanical work for ti at suite 1200. ref pa #201811206388.Details
mechanical work for ti at suite 1200. ref pa #201811206388. | $3,000 |
| Dec 6, 2018 | Never finaled issued Dec 2018, no final | 2415 03rd St | M C S Construction Services | ste 237 - ref pa 2018-0917-05007 & 2018-1126-6699 mep upgrades t24 compliant exsitng plumbing, mechanical and electrical to be utilizedDetails
ste 237 - ref pa 2018-0917-05007 & 2018-1126-6699 mep upgrades t24 compliant exsitng plumbing, mechanical and electrical to be utilized | $95,000 |
| Dec 3, 2018 | Never finaled issued Dec 2018, no final | 353 Sacramento St | Novo Construction Inc | 6/f: mechanical work on the 6th floor to include 14 new vav boxes, install 1 new exhaust fan. ref pa 2018-1029-4452Details
6/f: mechanical work on the 6th floor to include 14 new vav boxes, install 1 new exhaust fan. ref pa 2018-1029-4452 | $20,000 |
| Nov 16, 2018 | Never finaled issued Jun 2019, no final | 1 Embarcadero Center | Gci, Inc | 9th fl: mechanical - install 1 new single duct vav & cieling exhaust fan, electrical - lighting, power, data & signal, & plumbing work. ref pa #201806283237 & #201809140205Details
9th fl: mechanical - install 1 new single duct vav & cieling exhaust fan, electrical - lighting, power, data & signal, & plumbing work. ref pa #201806283237 & #201809140205 | |
| Sep 25, 2018 | Never finaled issued Oct 2018, no final | 760 Market St | Sc Builders, Inc | 10th fl - mep for pa 2018-0702-3475Details
10th fl - mep for pa 2018-0702-3475 | $50,000 |
| Aug 22, 2018 | Completed final sign-off Feb 2019 | 1 Sansome St | Skyline Construction | suite 3100. mechanical work for tenant improvemont. ref ba # 201807164603. maher n/aDetails
suite 3100. mechanical work for tenant improvemont. ref ba # 201807164603. maher n/a | $43,000 |
| Aug 15, 2018 | Completed final sign-off Aug 2019 | 345 California St | Bcci Construction Company | 6th & 7th fl- mep deffered submittal fpr prior arch set. install new vav box, wshp & redistribute ducts for new floor layout. ref 201807316020 & 201807316022Details
6th & 7th fl- mep deffered submittal fpr prior arch set. install new vav box, wshp & redistribute ducts for new floor layout. ref 201807316020 & 201807316022 | $210,000 |
| Jul 27, 2018 | Completed final sign-off Jan 2019 | 300 California St | Bcci Construction Company | floor 8 mep, deferred permit for prev app 201805229737, install new vav bvox, exhaust fan, split system for idf foom, modify e duct work for new fl planDetails
floor 8 mep, deferred permit for prev app 201805229737, install new vav bvox, exhaust fan, split system for idf foom, modify e duct work for new fl plan | $35,000 |