Updated: May 22, 2026
Location and Projects
Address
16255 OREGON AVE, Bellflower, CA, 90706
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Cosine Construction LLC
Cosine Construction LLC, 16255 Oregon Ave, Bellflower, CA (Employee: Siraj Sid Aboulhosn) holds a General Building license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cosine Construction LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Cosine Construction LLC Services
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Cosine Construction LLC Contact Information
Phone Number: (949) 870-7371
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Address: 16255 OREGON AVE, Bellflower, CA 90706
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Cosine Construction LLC Bellflower
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cosine Construction LLC has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Cosine Construction LLC has worked on at least
2.0 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.
Pricing
|
1 project
|
$5k-$20k |
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 Cosine Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Kitchen remodel removed non load bearing wall relocate fridge replace all appliances & counter top new waterline to fridge install new island addition electrical minor stucco repair all work shall comply with 2022 ca building code's. file with main permit bldr-2024-00077
Valuation:
$9,000
Permit #:
PLMR-2024-00090
Status:
complete
Fee:
$83
Permit Type:
N/A
Building Type:
N/A
Temporary power pole - 100amps
Valuation:
N/A
Permit #:
2023001003
Status:
final
Fee:
$90
Permit Type:
N/A
Building Type:
N/A
Import/export general merchandise
Valuation:
$0
Permit #:
BUS2001-02892
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Import/export
Valuation:
$0
Permit #:
BUS1998-067332
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Import + export
Valuation:
$0
Permit #:
BUS1998-006241
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Cosine Construction LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Cosine Construction LLC License info
Verified License
| License # | 1105716 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Ltd Liability |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cosine Construction LLC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Insured
| Insurer | State National Insurance Company Inc |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $100,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Cosine Construction LLC Employees
SA
Siraj Sid Aboulhosn
Rmg