Updated: Jul 12, 2026
Location and Projects
Address
5525 1/2 Radford Avenue, South Gate, CA, 90280
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GD Construction Group Inc Photos
GD Construction Group Inc
Building towards a sustainable future.
COMMERCIAL MAINTENANCE & HANDYWORK
Patch, paint, restoration, waterproofing remodels, we get it done to
HEAVY AND STRUCTURAL & CONSTRUCTION
Foundations, underpinning, adding square footage, retrofitting, no problem. We will take care of it.
ARCHITECTURAL, ENGINEERING & CONSULTATION
Whatever the issue we have knowledgeable engineers and architects on staff to address it.
GREEN TECHNOLOGY IMPLEMENTATION
We are passionate about creating sustainability and a creating a green environment.
FREE ESTIMATE
Patch, paint, restoration, waterproofing remodels, we get it done to code.
From BuildZoom: GD Construction Group Inc, 5525-1 2nd Ave, South Gate, CA (Owned by: Gary William Sebunia) holds a General Building license and 5 other licenses according to the California license board.
Their BuildZoom score of 125 ranks in the top 1% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring GD Construction Group Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
GD Construction Group Inc Contact Information
Phone Number: (818) 253-6782
Address: 5525 1/2 Radford Avenue, South Gate, CA 90280
GD Construction Group Inc South Gate
Quality
125
99th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
GD Construction Group Inc has a BuildZoom score of 125, which places them above 99% of 336,931 contractors in California.
Activity
|
12 projects
|
2025 |
|
17 projects
|
2024 |
|
15 projects
|
2023 |
Our building permit records indicate that GD Construction Group Inc has worked on at least
44.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
3 projects
|
New Constructions |
Analyzing permits over the last 4 years shows that GD Construction Group Inc mostly works on
new construction
projects.
Pricing
|
7 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by GD Construction Group Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 29 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$5,800
Permit #:
25016-90000-12884
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 22 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$33,540
Permit #:
24016-90000-34241
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 22 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$16,750
Permit #:
24016-90000-34244
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 20 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$17,750
Permit #:
24016-90000-34429
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 22 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$14,882
Permit #:
24016-90000-34036
Status:
expired
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over new solid sheathing 23 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for ... see more
Valuation:
$6,900
Permit #:
23016-90000-41990
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 29 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$5,800
Permit #:
23016-90000-35143
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of a roof-mounted microinverter/ac module solar photovoltaic (pv) system not exceeding 38.4kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
25041-90000-19836
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of a roof-mounted microinverter/ac module solar photovoltaic (pv) system not exceeding 38.4kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
25041-90000-19054
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Re-roof with class a or b roof covering material weighing less than 6 pounds per sq. ft. over existing solid sheathing 42 squares. class a roof covering is required within very high fire hazard severity zone (vhfhsz). for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required... see more
Valuation:
$8,400
Permit #:
23016-90000-17661
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroof with 26 sqrs comparable shingle roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$5,200
Permit #:
22016-90000-31888
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Reroof with 26 sqrs comparable shingle roofing. existing solid sheathing. re-roof with class a or b material weighing less than 6 pounds per sq. ft. for residential roof replacement > 50% of the total roof area apply cool roof product labeled and certified by cool roof rating council (crrc). cool roof may be required for non-residential buildings per title 24 part 6 section 149(b)
Valuation:
$5,200
Permit #:
22016-90000-19228
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of a roof-mounted microinverter/ac module solar photovoltaic (pv) system not exceeding 38.4kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
24041-90000-52428
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan: extend enclose (e) covered patio to serve as extension of dining and living room
Valuation:
$6,000
Permit #:
25016-10000-04547
Status:
applied
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New residential detached accessory structure - plan check-permit
2023-04-18
Cross street: via de la valle foundation: slab description of work: 216 sqft det shed w 72 sqft attach covered storage & electrical for existing single family dwelling
Valuation:
$9,949
Permit #:
PDS2023-RESACC-000334
Status:
triage
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installation of roof-mounted microinverter/ac module solar photovoltaic system not exceeding a total air conditioning output of 10 kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
23041-90000-05239
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of roof-mounted central/string inverter solar photovoltaic system not exceeding a total air conditioning output of 10 kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
23041-90000-04121
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of roof-mounted central/string inverter solar photovoltaic system not exceeding a total air conditioning output of 10 kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
23041-90000-04123
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of roof-mounted microinverter/ac module solar photovoltaic system not exceeding a total air conditioning output of 10 kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
23041-90000-03994
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Installation of roof-mounted microinverter/ac module solar photovoltaic system not exceeding a total air conditioning output of 10 kw in a 1 or 2 family dwelling
Valuation:
N/A
Permit #:
22041-90000-42138
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
GD Construction Group Inc Reviews
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Verified License
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GD Construction Group Inc License info
Verified License
| License # | 867213 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for GD Construction Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 621944 |
| Status | Active |
| State | California |
| Type | General Building, Concrete, Swimming Pool |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for GD Construction Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 554304 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for GD Construction Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 817129 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership, Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for GD Construction 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 # | 1011532 |
| Status | Inactive |
| State | California |
| Type | General Building, Solar |
| Business Type | Sole Ownership, 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.
Check this license's status for GD Construction 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 # | 969290 |
| Status | Inactive |
| State | California |
| Type | General Building, Landscaping |
| Business Type | Sole Ownership, 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.
Check this license's status for GD Construction Group Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
125
BuildZoom Score
Bonded
| Bonded Agent | State National Insurance Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
169
Permits
- Building permit records show that GD Construction Group Inc has worked on 169 permitted projects.
GD Construction Group Inc Employees
GS
Gary William Sebunia
Owner
GD
Guillermo Delgadillo
Sole Owner