Updated: May 29, 2026
Location and Projects
Address
8625 TUNNEY AVE, Northridge, CA, 91324
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BILGAI DIAZ Construction
BILGAI DIAZ, 8625 Tunney Ave, Northridge, CA (Owned by: Bilgai Thomas Diaz) holds a General Building, Roofing license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring BILGAI DIAZ, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
BILGAI DIAZ Services
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BILGAI DIAZ Contact Information
Phone Number: (818) 421-4210
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Address: 8625 TUNNEY AVE, Northridge, CA 91324
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BILGAI DIAZ Northridge
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
BILGAI DIAZ has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
5 projects
|
2025 |
Our building permit records indicate that BILGAI DIAZ has worked on at least
5.0 projects over the past year.
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 |
|
2 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
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.
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 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... see more
Valuation:
$4,600
Permit #:
25016-90000-14177
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 36 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:
$22,200
Permit #:
25016-90000-30508
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 33 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:
$6,600
Permit #:
25016-90000-30506
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Water damage termite damage dry rot repair less than 10% of replacement cost of residential buildings. application of an approved coating to an existing exterior balcony or deck
Valuation:
$11,000
Permit #:
25016-90000-15700
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(4) window change-out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 150.2(b) 1b of title 24. (1) kitchen (1) bathroom remodel for residential buildings (no structural changes)
Valuation:
$15,000
Permit #:
22016-10000-32957
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
1 kitchen 1 bathroom remodel for residential buildings (no structural changes). 5 window change-out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 150.2(b) 1b of title 24
Valuation:
$15,000
Permit #:
22016-10000-15231
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tear off (e) comparable & bur new sheathing as needed 1 layer synthetic underlayment owens corning comparable 20 squares polyfresko bur 20 squares. ***crrc # 0616-0011*** 5:12 & flat pitch ***manufacturer’s installation spec sheets to be onsite***
Valuation:
N/A
Permit #:
B2025-005087
Status:
final
Fee:
$652
Permit Type:
N/A
Building Type:
N/A
(9) window and (1) door change-out (same size & type) for residential buildings. dual glazing labeled and certified by national fenestration rating council (nfrc) is required for doors and windows replaced in all residential buildings three stories or less per section 150.2(b) 1b of title 24. (1) kitchen (1) bathroom remodel for residential buildings (no structural changes)
Valuation:
$15,000
Permit #:
22016-10000-23517
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Bathroom (1) remodel for residential buildings (no structural changes)
Valuation:
$400
Permit #:
17016-20000-15541
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Install gfi in bathroom on existing circuit
Valuation:
N/A
Permit #:
17041-20000-19436
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Replace existing water heater
Valuation:
N/A
Permit #:
17042-20000-13113
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
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BILGAI DIAZ Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
BILGAI DIAZ License info
Verified License
| License # | 950130 |
| Status | Active |
| State | California |
| Type | General Building, Roofing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for BILGAI DIAZ at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
8
Permits
- Building permit records show that BILGAI DIAZ has worked on 8 permitted projects.
BILGAI DIAZ Employees
BD
Bilgai Thomas Diaz
Owner