Updated: Jun 26, 2026
Location and Projects
Address
141 WEST 28TH STREET, 12TH FL, New York, NY, 10001
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G S Development Electrician
G S Development Inc, 141 W 28th St, New York, NY (Owned by: Efraim M Alter) holds a Electrical Business Permit license and 6 other licenses according to the New Jersey license board.
Their BuildZoom score of 107 ranks in the top 6% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring G S Development Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
G S Development Inc Contact Information
Phone Number: (212) 473-6909
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Address: 141 WEST 28TH STREET, 12TH FL, New York, NY 10001
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This is a sample of this contractor's permits. Click here to access their complete permit history.
General wiring of lights and outlets from cella to 3rd fl. installation of 300kva and 500 kva transformer. installation of service feeders from 500 kva feeders to island ss#12. installation of 15 electrical panel
Valuation:
N/A
Permit #:
M01242377-I1-EL
Status:
issued
Fee:
$1,678
Permit Type:
N/A
Building Type:
K commercial
Temporary lobby install new lights from the existing panel in the lobby. power new hvac units from the existing panel. power to elevator/escalator/material lift
Valuation:
N/A
Permit #:
M01137410-P1
Status:
approved
Fee:
$10
Permit Type:
N/A
Building Type:
Z other
Installation of lights at lobby and staircase. install 2 dedicated lines at the convenience store. no new panels or panel modification
Valuation:
N/A
Permit #:
M01072894-I1-EL
Status:
complete
Fee:
$48
Permit Type:
N/A
Building Type:
O office building
Temporary lobby install new lights from the existing panel in the lobby. power new hvac units from the existing panel. power to elevator/escalator/material lift
Valuation:
N/A
Permit #:
M01137410-I1-EL
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
Z other
Sub-feeder new panels general wiring lights and outlets hvac grounding/bonding and mechanical wiring for building 111 (epr filing mn03012a1)
Valuation:
N/A
Permit #:
M00985374-I1-EL
Status:
complete
Fee:
$1,755
Permit Type:
N/A
Building Type:
K commercial
Install 18 new panels. install 3 new transformers. general wiring of new lights outlets and hvac units
Valuation:
N/A
Permit #:
M01211889-I1-EL
Status:
issued
Fee:
$1,666
Permit Type:
N/A
Building Type:
Z other
Sub-feeder new panels general wiring lights and outlets hvac grounding/bonding and mechanical wiring for building 111 (epr filing mn03012a1)
Valuation:
N/A
Permit #:
M00985374-P2
Status:
approved
Fee:
$1,715
Permit Type:
N/A
Building Type:
K commercial
Install 800amp new service in main electrical room. install 3 new panels and subfeeders. install new outlets and lights. power to new hvacs
Valuation:
N/A
Permit #:
M01137609-I1-EL
Status:
issued
Fee:
$651
Permit Type:
N/A
Building Type:
Z other
General wiring of new lights and outlets from new panel. provide power to elevator and hvac equipment
Valuation:
N/A
Permit #:
B00985504-P2
Status:
approved
Fee:
$957
Permit Type:
N/A
Building Type:
Z other
General wiring of new outlets and lights installation of two transformers and 4 new panels
Valuation:
N/A
Permit #:
M00843114-I1-EL
Status:
complete
Fee:
$381
Permit Type:
N/A
Building Type:
Z other
General wiring of new lights convenience outlets and install of 1 panel for new game room
Valuation:
N/A
Permit #:
M01218470-P1
Status:
approved
Fee:
$117
Permit Type:
N/A
Building Type:
O office building
General wiring of new lights and outlets on 6 9 + 16th floor from existing panels
Valuation:
N/A
Permit #:
M00926723-I1-EL
Status:
issued
Fee:
$148
Permit Type:
N/A
Building Type:
Z other
Installation of new lights in hallway and elevator lobby and new outlets in it room only. panels existing to remain
Valuation:
N/A
Permit #:
X00986115-I1-EL
Status:
complete
Fee:
$61
Permit Type:
N/A
Building Type:
K commercial
Sub-feeder new panels general wiring lights and outlets hvac grounding/bonding and mechanical wiring for building 111
Valuation:
N/A
Permit #:
M00985374-P1
Status:
approved
Fee:
$1,941
Permit Type:
N/A
Building Type:
K commercial
Installation of new lights in hallway and elevator lobby and new outlets in it room only. panels existing to remain
Valuation:
N/A
Permit #:
X00986115-P1
Status:
approved
Fee:
$21
Permit Type:
N/A
Building Type:
K commercial
General wiring of new lights and outlets in lobby area from existing panels
Valuation:
N/A
Permit #:
M00917725-I1-EL
Status:
issued
Fee:
$71
Permit Type:
N/A
Building Type:
Z other
Replace feeders to existing panels. wire new hvac units from existing panel
Valuation:
N/A
Permit #:
M00926959-I1-EL
Status:
issued
Fee:
$569
Permit Type:
N/A
Building Type:
Z other
Install 200amp feeder with 2 new panels general wiring of lights and outlets
Valuation:
N/A
Permit #:
M01211884-I1-EL
Status:
issued
Fee:
$278
Permit Type:
N/A
Building Type:
Z other
General wiring of new outlets and lights from existing panels + power to dumb waiter single phase 208volt
Valuation:
N/A
Permit #:
M08006778-P1
Status:
approved
Fee:
$136
Permit Type:
N/A
Building Type:
Z other
Wiring for new lights and outlets. install 2 new panels and transformer
Valuation:
N/A
Permit #:
Q01158325-P1
Status:
approved
Fee:
$202
Permit Type:
N/A
Building Type:
Z other
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G S Development Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
G S Development Inc License info
Verified License
| License # | 34EB01666100 |
| Status | Active |
| State | New Jersey |
| Type | Electrical Business Permit |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for G S Development Inc at the New Jersey Department of Law & Public Safety.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 002734 |
| Status | Active |
| State | New York |
| Type | Electrical Firm |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of G S Development Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 011318 |
| Status | Active |
| State | New York |
| Type | Electrician |
- When BuildZoom last verified this license, it had an expiration date of October, 2023. Check the current license status of G S Development Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 11318 |
| Status | Active |
| State | New York |
- When BuildZoom last verified this license, it had an expiration date of November, 2010. Check the current license status of G S Development Inc with the New York City Department of Buildings
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 1529 |
| Status | Active |
| County | Westchester County |
| Type | Master Electrician License |
- When BuildZoom last verified this license, it had an expiration date of December, 2015. Check the current license status of G S Development Inc with the Consumer Westchester County, NY
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1294555-DCA |
| Status | Inactive |
| State | New York |
| Type | Home Improvement Contractor |
- According to the New York Department of Consumer Affairs, 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 G S Development Inc at the New York Department of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 021424 |
| Status | Inactive |
| State | New York |
| Type | Superintendent Of Construction |
- According to the New York City Department of Buildings, 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 G S Development Inc at the New York City Department of Buildings.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Insured
| Insurer | Atlantic Casualty Ins Co |
Insured
| Workers Comp Provider | National Union Fire Ins |
89
Permits
- Building permit records show that G S Development Inc has worked on 89 permitted projects.
G S Development Inc Employees
EA
Efraim Alter
Owner
EA
Efraim M Alter
Owner
WP
William Park
Owner