Updated: Apr 29, 2026
Location and Projects
Address
20329 CANTARA STREET, Winnetka, CA, 91306
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Green Tech Solutions Group Construction
Green Tech Solutions Group Inc at 20329 CANTARA STREET, Winnetka, CA 91306, held a General Contractor license (#1054988) with the California contractors license board with an expiration date of 06-30-2021. We last verified the license was expired on 03-25-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Green Tech Solutions Group Inc Services
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Green Tech Solutions Group Inc Contact Information
Phone Number: (818) 284-0284
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Address: 20329 CANTARA STREET, Winnetka, CA 91306
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Green Tech Solutions Group Inc Reviews
1 out of 5 stars, based on
1
review
-
By RemyFebruary 16, 2017House remodel$200,00090 days
Building Permits by Green Tech Solutions Group Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel for residential buildings (no structural changes).
Valuation:
$20,000
Permit #:
15016-20000-27967
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 Family Dwe...
Building Type:
N/A
6/26/2015- permit for derrating main. contractor to provide load calculations on the field. $0 premit fee due to senate bill 1222 from 2012 pv1 install a roof-mounted array on a single family dwelling. interconnect with a 400a msp (?). system size: 16.4kw (11.4+5). grounded system. 56 327w photovoltaic modules
Valuation:
N/A
Permit #:
15041-10002-00800
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
200 amp main service upgrade (same location) - panel schedul
Valuation:
N/A
Permit #:
B1402714
Status:
issued
Fee:
$160
Permit Type:
Melec
Building Type:
N/A
Photovoltaic system * 7.848 kw * 200 amp main service upgrad
Valuation:
N/A
Permit #:
B1402045
Status:
final
Fee:
N/A
Permit Type:
Photov
Building Type:
N/A
Permit fee is $0.00 due to 2012 state senate bill 1222 pv1 install roof-mounted solar array on single family dwelling interconnect with msp. system size: 16kw. (1) sunpower spr-10002f-1 uni (1) sunpower spr-6001p-1 (56) sun power spr-e20-327 photovoltaic modules
Valuation:
N/A
Permit #:
14041-20000-24952
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pv1. roofmounted solar system. central inverter. non standard plan. system size: 7kw dc. (21) sunpower spr modules (1) sunnyboy6000 note: the solar photovoltaic installation shall comply with fpb rquirement no. 96 or approved plans by the lafd
Valuation:
N/A
Permit #:
14041-20000-29240
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Bld- reissue of bld2014-05137 for final inspection: repair roof & roof framing like for like. replace damaged elect service elect cables & conduits to garage kitchen bedrooms & baths as required. repair sheetrock in all affected areas. replace insulation & stucco. fire survey- done 4/8/14 (htl) remove existing roof and replace with new roofing system - also addtitional stucco to front... see more
Valuation:
N/A
Permit #:
BLD2016-0538
Status:
ISS
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(((changes to approved set: 1 module added and changed layout of panels because of added canopy. charged per applicant))) pv1 for 2 story single family dwelling. transformerless. total system size: 4.251kw. [inverter: power one aurora pvi-4.2-outd-us] [solar module: sunpower spr-327ne-wht-d]
Valuation:
N/A
Permit #:
13041-10000-21015
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Revision to approved set of plans. cutting system in half due to other side building not being approved. clearances are still the same from last tim. installing photovoltaic system to single family dwelling. total system size: 13.8kwdc. [inverter: sun power spr-11401f-1 uni] [pv module: sun power spr327ne-wht-d]
Valuation:
N/A
Permit #:
13041-10000-25148
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Expedite per applicant request [pv1 pinstall a roof-mounted solar array on a single family dwelling. interconnect with 200a msp (upgraded from 100a msp). system size: 12kw (6+6). ungrounded system. 36 327w photovoltaic modules across 6 strings (inv1 - 6+6+6; inv2 - 7+6+5).]
Valuation:
N/A
Permit #:
14041-20001-33172
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pv1 pinstall a roof-mounted solar array on a single family dwelling. interconnect with 200a msp (upgraded from 100a msp). system size: 12kw (6+6). ungrounded system. 36 327w photovoltaic modules across 6 strings (inv1 - 6+6+6; inv2 - 7+6+5)
Valuation:
N/A
Permit #:
14041-20000-33172
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pv1 single family dwelling. total system size 6kw using 20 modules. transformerless inverter. 4 strings per inverter back room pc. nonstandard plan. permit to include service and panel upgrade. extra circuit included for monitor system
Valuation:
N/A
Permit #:
13041-20000-20004
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Change 7.5kw sunpower inverter to a 7.5kw fronius inverter. change sunpower spr-327ne-wht-d photovoltaic modules to sunpower e20-327 photovoltaic modules. module and inverter counts are the same. electrical properties of swapped equipment is the same. [[[pv1 central inverter. 5 strings for 1 inverter]]]
Valuation:
N/A
Permit #:
13041-20002-35142
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pv1 roof mounted solar installation using transformerless inverters on non standard plans. system size is 5.232 kw using two strings of 8 modules and a single inverter. [modules: sunpower # spr-327ne-wht-d |||| inverter: power one pvi-5000-outd-us]
Valuation:
N/A
Permit #:
13041-10000-13509
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pv1. new 14.388 kw roof mounted photovoltaic system for a single family residence. installing 44 modules 2 ombiner boxes 2 inverters and 1 sub panel.(((((( one j box changed the dim 4*4*4 and the other one is 4*36*6 addition of new ground rod to the inverter. 5/8 * 10. and 1 conduit from building to garage run on wooden fence ok by mr. ferguson.)))))
Valuation:
N/A
Permit #:
12041-10002-29875
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Pv1 roof mounted solar installation on a single story home. [inverter: sunpower #spr-7000m |||| modules: sunpower # spr-327ne-wht-e] 24 modules in four strings. system size is 7.84 kw. comply with department order effective date 09/10/2012. permit will expire 30 days from issuance date
Valuation:
N/A
Permit #:
13041-10000-03699
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Expedite per applicant request [[[pv1 install roof-mounted solar array on single family dwelling interconnect with msp. system size: 12kw. (2) aurora pvi-6000tl-outd-s-us-a transformerless inverters (40) sun power spr-e20-327 photovoltaic modules]]]
Valuation:
N/A
Permit #:
14041-20001-27682
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Expedite per applicant request [[[pv1 install roof-mounted solar array on single family dwelling interconnect with msp. system size: 16kw. (1) sunpower spr-10002f-1 uni (1) sunpower spr-6001p-1 (56) sun power spr-e20-327 photovoltaic modules]]]
Valuation:
N/A
Permit #:
14041-20001-24952
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install roof mounted photovoltaic solar system. 9.8kw system. the solar photovoltaic installation shall comply with los angeles fire department's fire prevention bureau (fpb) requirement no. 96
Valuation:
N/A
Permit #:
14041-20000-32021
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Expedite per customer request. pv1 install roof mounted photovoltaic system size 10 kw interconnected with main service pannel. (30) sunpower e327 modules (2) aurora pvi-5000 transformerless inverters
Valuation:
N/A
Permit #:
14041-20001-33661
Status:
approved
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Green Tech Solutions Group Inc License info
Inactive License
| License # | 1054988 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Green Tech Solutions Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 877520 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Green Tech Solutions Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1002629 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Green Tech Solutions Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Green Tech Solutions Group Inc, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Wesco Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
375
Permits
- Building permit records show that Green Tech Solutions Group Inc has worked on 375 permitted projects.
Green Tech Solutions Group Inc Employees
SM
Sam Maher
Sole Owner
SM
Sam Maher
Owner
SN
Sigal Ben Nissan
Rmo / Ceo / Pres
SN
Sigal Ben Nissan
Rmo / Ceo / Pres
SB
Sigal Ben-Nissan
Rmo / Ceo / Pres
This man uses various names and is a thief! He will not finish the job and take all your money! He stole checks and forged them. Police are after him. His name is Sam Maher, Siavash Maher, Siamak Maher. This are just some names he may use. His license has been revoked. He also forges signatures from city workers and then you find out that the work was never approved and that's it is ALL WRONG!! He is a con artist and fraud. He brings his "wife" named Mercede Azimi and she is in on it. Please take this as a warning and do not hire this man or his company. He will steal everything you've worked hard for.