Mazen George Tawasha
- Listed as
- authorized agent-others, contractor, pmt consultant/expediter
- Firm
- Bayside Mechanical Inc
- Based in
- Foster City
- On San Francisco permits
- Jun 2005 to Sep 2026
48 permits since 2000 (contractor on 48 permits, authorized agent-others on 5 permits, pmt consultant/expediter on 1 permit): 34 completed, 1 in progress, 12 never finaled, 1 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 |
|---|---|---|---|---|---|
| Sep 14, 2026 | In progress filed Sep 2026, not yet issued | 660 03rd St | Bayside Mechanical Inc | remove 8 (e) rooftop package units. replace with 8 new units. reconnect existing duct, electrical, gas pipe, drain line and thermostat wire.Details
remove 8 (e) rooftop package units. replace with 8 new units. reconnect existing duct, electrical, gas pipe, drain line and thermostat wire. | $80,000 |
| Jul 29, 2025 | Completed final sign-off Jul 2026 | 960 Harrison St | Bayside Mechanical Inc | install a utility set exhaust fan & connect to 4 residential kitchen hoods belowDetails
install a utility set exhaust fan & connect to 4 residential kitchen hoods below | $3,000 |
| Jul 29, 2025 | Completed final sign-off Jul 2026 | 960 Harrison St | Bayside Mechanical Inc | install a utility set exhaust fan & connect to 4 residential kitchen hoods belowDetails
install a utility set exhaust fan & connect to 4 residential kitchen hoods below | $3,000 |
| Jul 29, 2025 | Completed final sign-off Jul 2026 | 960 Harrison St | Bayside Mechanical Inc | install a utility set exhaust fan & connect to 4 residential kitchen hoods belowDetails
install a utility set exhaust fan & connect to 4 residential kitchen hoods below | $3,000 |
| Jul 29, 2025 | Completed final sign-off Jul 2026 | 960 Harrison St | Bayside Mechanical Inc | to comply with nov 202311778 install a utility set exhaust fan & connect to 4 residential kitchen hoods belowDetails
to comply with nov 202311778 install a utility set exhaust fan & connect to 4 residential kitchen hoods below | $3,000 |
| Dec 20, 2022 | Completed final sign-off Jun 2023 | 580 Green St | Bayside Mechanical Inc | replace 4 existing rooftop mechanical hvac units with in-kindDetails
replace 4 existing rooftop mechanical hvac units with in-kind | $40,000 |
| Nov 8, 2022 | Completed final sign-off Jan 2025 | 643 Clay St | Bayside Mechanical Inc | provide and install type i hood, exhaust, grease duct and kitchen exhaust fan, with make up air unit and assoicated ductwork. limited restaurant under 102.Details
provide and install type i hood, exhaust, grease duct and kitchen exhaust fan, with make up air unit and assoicated ductwork. limited restaurant under 102. | $70,000 |
| Oct 31, 2022 | Never finaled issued Nov 2022, no final | 430 Pacific Av | Bayside Mechanical Inc | install 12 ton and 10 ton heat recovery vrv system with branch boxes, nine fancoils, ductwork, ceiing exhaust fans. ref bpa#202205053608Details
install 12 ton and 10 ton heat recovery vrv system with branch boxes, nine fancoils, ductwork, ceiing exhaust fans. ref bpa#202205053608 | $150,000 |
| Jun 14, 2022 | Never finaled issued Jun 2022, no final | 588 Mission Bay Blvd North Bl | Bayside Mechanical Inc | provide and install one 4-ton heat pump, run refridgerant lines, ductwork, grd and thermostat. ref pa 202203199583Details
provide and install one 4-ton heat pump, run refridgerant lines, ductwork, grd and thermostat. ref pa 202203199583 | $15,000 |
| Feb 2, 2022 | Completed final sign-off May 2022 | 2104 Hayes St | Bayside Mechanical Inc | provide and install new duct work & air diffusers and connect to existing furnace. ref pa 2021-1117-2593Details
provide and install new duct work & air diffusers and connect to existing furnace. ref pa 2021-1117-2593 | $7,500 |
| Oct 18, 2021 | Completed final sign-off Oct 2022 | 360 Langton St | Bayside Mechanical Inc | replace 4 existing ac units and 2 split systems with newDetails
replace 4 existing ac units and 2 split systems with new | $45,000 |
| Oct 18, 2021 | Completed final sign-off Mar 2022 | 3157 Fillmore St | Bayside Mechanical Inc | provide and install type ii hood and inline exhaust fan and inline supply fanDetails
provide and install type ii hood and inline exhaust fan and inline supply fan | $10,000 |
| Oct 18, 2021 | Completed final sign-off Jun 2022 | 1960 Folsom St | Bayside Mechanical Inc | provide & install (6) new head pump split systems ductwork & diffusers. ref pa 2021-0816-6497Details
provide & install (6) new head pump split systems ductwork & diffusers. ref pa 2021-0816-6497 | $75,000 |
| Sep 10, 2021 | Completed final sign-off Oct 2022 | 1399 18th St | Bayside Mechanical Inc | vent (1) new ventless type i hood using existing exhaust and supply duct.Details
vent (1) new ventless type i hood using existing exhaust and supply duct. | $2,875 |
| Jul 30, 2021 | Never finaled issued Aug 2021, no final | 3580 California St | Bayside Mechanical Inc | provide and install 1 new carrier gas furnace. new ductwork to match new layout. new air diffusers. new thermostat mep for 202103086110Details
provide and install 1 new carrier gas furnace. new ductwork to match new layout. new air diffusers. new thermostat mep for 202103086110 | $30,000 |
| Feb 10, 2021 | Expired or cancelled withdrawn Mar 2021 | 2406 California St | Bayside Mechanical Inc | provide + install one new type ii hood. ref pa # 202011138899.Details
provide + install one new type ii hood. ref pa # 202011138899. | $8,000 |
| Jan 15, 2021 | Completed final sign-off Apr 2022 | 198 Utah St | Bayside Mechanical Inc | provide and install three 5 ton heat pump rooftop units and ductwork refer to bldg app#202008171968 and 202008262679Details
provide and install three 5 ton heat pump rooftop units and ductwork refer to bldg app#202008171968 and 202008262679 | $45,000 |
| Sep 19, 2020 | Completed final sign-off Oct 2020 | 209 Post St | Bayside Mechanical Inc | 8/f: provide & install new ductwork & connect to existing. refer to pa# 202002063682.Details
8/f: provide & install new ductwork & connect to existing. refer to pa# 202002063682. | $3,000 |
| Sep 18, 2020 | Never finaled issued Oct 2020, no final | 2108 Hayes St | Bayside Mechanical Inc | provide & install new duct work and connect to existing plenums. ref pa# 202002184642.Details
provide & install new duct work and connect to existing plenums. ref pa# 202002184642. | $15,000 |
| Feb 28, 2020 | Completed final sign-off Dec 2020 | 434 Pacific Av | Bayside Mechanical Inc | provide and install 3 heat pump split systems, duct work and diffusers. refer to pa #2019 1231 1061Details
provide and install 3 heat pump split systems, duct work and diffusers. refer to pa #2019 1231 1061 | $30,000 |
| Jan 24, 2020 | Completed final sign-off Oct 2020 | 300 Grove St | Bayside Mechanical Inc | provide and install 4 new roof top a/c units to replace existing . provide and install 5 new fans and one type ii hood. structural work to be performed by a class b licensed contractor.Details
provide and install 4 new roof top a/c units to replace existing . provide and install 5 new fans and one type ii hood. structural work to be performed by a class b licensed contractor. | $90,000 |
| Nov 8, 2019 | Completed final sign-off Jan 2022 | 479 Ellis St | Bayside Mechanical Inc | provide and install 3 rooftop gas package units, 3 heat pump split systems. ductwork and air diffusers. ref pa 2018-1224-9080Details
provide and install 3 rooftop gas package units, 3 heat pump split systems. ductwork and air diffusers. ref pa 2018-1224-9080 | $50,000 |
| May 3, 2019 | Completed final sign-off Oct 2019 | 3560 18th St | Bayside Mechanical Inc | provide and install 3 new heads to replace existing hood. ref pa 2019-0321-5902. n/a for maher.Details
provide and install 3 new heads to replace existing hood. ref pa 2019-0321-5902. n/a for maher. | $43,000 |
| Jan 25, 2019 | Completed final sign-off Jun 2019 | 1877 Union St | Bayside Mechanical Inc | provide and install 1 new station heat pump unit, provide and install new duct work and air diffusers ref pa# 201812279229Details
provide and install 1 new station heat pump unit, provide and install new duct work and air diffusers ref pa# 201812279229 | $15,000 |
| Jan 24, 2019 | Completed final sign-off May 2019 | 731 Sansome St | Bayside Mechanical Inc | provide and install 7 new air handlers, and one new cooling only split system, provide and install duct work and air diffusers. ref ti #201810092575. 3rd fl.Details
provide and install 7 new air handlers, and one new cooling only split system, provide and install duct work and air diffusers. ref ti #201810092575. 3rd fl. | $90,000 |
| Aug 22, 2018 | Completed final sign-off Oct 2018 | 2101 Fillmore St | Bayside Mechanical Inc | mechanical for pa 2018-0620-2378Details
mechanical for pa 2018-0620-2378 | $20,000 |
| Jun 4, 2018 | Never finaled issued Jun 2018, no final | 8 Octavia St | Bayside Mechanical Inc | install 1 - 4 ton split system with duct and diffusors and run new lineset between fan coil and condesing units, install thermostat, 1 bathroom exhaust fanDetails
install 1 - 4 ton split system with duct and diffusors and run new lineset between fan coil and condesing units, install thermostat, 1 bathroom exhaust fan | $20,000 |
| Feb 16, 2018 | Never finaled issued Feb 2018, no final | 953 Indiana St | Bayside Mechanical Inc | add (4) heat pumps condenser and (12) fan coils. maher naDetails
add (4) heat pumps condenser and (12) fan coils. maher na | $30,000 |
| Jan 16, 2018 | Completed final sign-off Jan 2018 | 3621 18th St | Bayside Mechanical Inc | replace (e) 2 exhaust fans and one make up air unit like in kind; newer model of (e)Details
replace (e) 2 exhaust fans and one make up air unit like in kind; newer model of (e) | $20,000 |
| Aug 9, 2016 | Completed final sign-off Aug 2016 | 915 Battery St | Moroso Construction Inc, Bayside Mechanical Inc | add furnace and fresh air including ductwork and diffusers. ref app#201604225456Details
add furnace and fresh air including ductwork and diffusers. ref app#201604225456 | $10,000 |
| May 25, 2016 | Never finaled issued Jun 2016, no final | 1292 Market St | Bayside Mechanical Inc | mechanical work - provide and install 1 new 4 ton head pump system. provide and install new duct work. provide and install new air diffusers. ref pa 2016-0203-8726. electrical and plumbing under separate permitDetails
mechanical work - provide and install 1 new 4 ton head pump system. provide and install new duct work. provide and install new air diffusers. ref pa 2016-0203-8726. electrical and plumbing under separate permit | $17,000 |
| Mar 8, 2016 | Never finaled issued Apr 2016, no final | 622 Green St | Bayside Mechanical Inc | provide & install make up air unit (inline), new duct work, provide & install new louver, grease duct & connect to existing. ref #201510068968. n/a maher ordinanceDetails
provide & install make up air unit (inline), new duct work, provide & install new louver, grease duct & connect to existing. ref #201510068968. n/a maher ordinance | $19,000 |
| Aug 18, 2015 | Never finaled issued Aug 2015, no final | 760 Harrison St | Bayside Mechanical Inc | 1st floor: provide and install one new split ductless a/c unit 2 ton. revision approve 201507031072. n/a maher ord. 155-13Details
1st floor: provide and install one new split ductless a/c unit 2 ton. revision approve 201507031072. n/a maher ord. 155-13 | $10,000 |
| Jul 9, 2015 | Never finaled issued Jul 2015, no final | 760 Harrison St | Bayside Mechanical Inc | revision to 201404102920: extension of copy file room, relocate fire larm, install speaker at main reception window. new security chain link fence across the basement with lockset, relocate 2 wing walls at open offices. new finyl plank flooring. delete bathroom at wellness centerDetails
revision to 201404102920: extension of copy file room, relocate fire larm, install speaker at main reception window. new security chain link fence across the basement with lockset, relocate 2 wing walls at open offices. new finyl plank flooring. delete bathroom at wellness center | |
| May 8, 2015 | Completed final sign-off Jan 2016 | 1520 Lyon St | Bayside Mechanical Inc | install 11 fan coils; install 8 condensing units; install duct work per plans & spec.Details
install 11 fan coils; install 8 condensing units; install duct work per plans & spec. | $227,900 |
| Mar 9, 2015 | Never finaled issued Mar 2015, no final | 2335 03rd St | Bayside Mechanical Inc | install hood and duct work ref 201501075137 aka 2245 3rd st; maher n/aDetails
install hood and duct work ref 201501075137 aka 2245 3rd st; maher n/a | $34,000 |
| Mar 2, 2015 | Never finaled issued Mar 2015, no final | 1561 California St | Bayside Mechanical Inc | install duct work ref app#20140068210Details
install duct work ref app#20140068210 | $33,000 |
| Nov 9, 2011 | Completed final sign-off Oct 2014 | 1050 North Point St | Bayside Mechanical Inc | unit 1501:changes in the connection to the main exhaust system. revision to app#201109295794. as-built archtitectural drawings required for 2 hr fire rated shaft repair and penetration sealDetails
unit 1501:changes in the connection to the main exhaust system. revision to app#201109295794. as-built archtitectural drawings required for 2 hr fire rated shaft repair and penetration seal | |
| Apr 29, 2011 | Completed final sign-off Jun 2011 | 2757 Mission St | Bayside Mechanical Inc | install heat pump system and duct work.Details
install heat pump system and duct work. | $9,000 |
| Apr 15, 2011 | Completed final sign-off May 2011 | 1439 Haight St | Bayside Mechanical Inc | install a/c unit & duct work.install fan coil unit and condensing unit. run supply and return duct work to space. install line set piping from fan coil to condensing unit. install drain from fan coil to nearest drain.Details
install a/c unit & duct work.install fan coil unit and condensing unit. run supply and return duct work to space. install line set piping from fan coil to condensing unit. install drain from fan coil to nearest drain. | $8,000 |
| Nov 9, 2010 | Completed final sign-off Nov 2012 | 1732 Polk St | Bayside Mechanical Inc | comply with nov 200562340; prepare mechanical hood drawings to obtain building permit for an (e) type ii hood and exhaust fan installed in an existing deli market. install make-up air supply fan for an existing hood system.Details
comply with nov 200562340; prepare mechanical hood drawings to obtain building permit for an (e) type ii hood and exhaust fan installed in an existing deli market. install make-up air supply fan for an existing hood system. | $5,000 |
| Oct 8, 2008 | Completed final sign-off Nov 2008 | 401 23rd St | Bayside Mechanical Inc | install four roof top heat pump units and duct workDetails
install four roof top heat pump units and duct work | $30,000 |
| Aug 12, 2008 | Completed final sign-off Aug 2008 | 22 Ocean Av | Bayside Mechanical Inc | install furnace and duct work, additional work for pa #200711097755, mechanical only.Details
install furnace and duct work, additional work for pa #200711097755, mechanical only. | $8,000 |
| Apr 17, 2008 | Completed final sign-off Oct 2008 | 200 Industrial St | Bayside Mechanical Inc | install two 200,000 btu unit heaters and two bathroom exhaust fansDetails
install two 200,000 btu unit heaters and two bathroom exhaust fans | $9,800 |
| Oct 12, 2007 | Completed final sign-off Dec 2007 | 8 California St | Bayside Mechanical Inc | run new duct work in thespace as exposed spiral duct on 8th floor. no ceiling or wall removal.Details
run new duct work in thespace as exposed spiral duct on 8th floor. no ceiling or wall removal. | $11,000 |
| Aug 13, 2007 | Completed final sign-off Apr 2008 | 1286 Sanchez St | Bayside Mechanical Inc | install one exhaust fan and ductwork on ground floor.Details
install one exhaust fan and ductwork on ground floor. | $4,600 |
| Jan 9, 2007 | Completed final sign-off Aug 2007 | 590 Valencia St | Bayside Mechanical Inc | work @ restaurant only. relocate hood, install / replace 10' hood, new exhaust fan. type i hood. extinguishing system under separate permit.Details
work @ restaurant only. relocate hood, install / replace 10' hood, new exhaust fan. type i hood. extinguishing system under separate permit. | $17,000 |
| Jun 28, 2005 | Completed final sign-off Dec 2005 | 1740 Cesar Chavez St | Bayside Mechanical Inc | install kitchen hodo exhaust fan and make up air grease trap and plumbingDetails
install kitchen hodo exhaust fan and make up air grease trap and plumbing | $18,000 |