Updated: Mar 22, 2026
Location and Projects
Address
7638 Garvalia Ave, Rosemead, CA, 91770
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Tuan Nghi Diep Construction
Tuan Nghi Diep, 7638 Garvalia Ave, Rosemead, CA holds a General Building license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Tuan Nghi Diep, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Tuan Nghi Diep Services
Start a project today:
Custom Home Build
New Home Construction
Medium Multi-Family New Con...
Other Residential New Const...
Multi-Room Remodel
Kitchen Remodel
Bathroom Remodel
Basement Remodel
Medium Multi-Family Remodel...
Other Residential Remodel
Office Renovation
Restaurant Renovation
Retail Renovation
Other Commercial Renovation
Roofing
Hardwood Flooring
Carpets
Laminate Flooring
Other Flooring
Framing
Wood Fences
Backsplash and Countertops
Stonework
Tile Flooring
Other Stone and Tile
Drywall
Interior Plaster
Brick and Blockwork
Other Masonry
Foundations
Other Concrete
Demolition
Paving, Driveways, and Side...
Excavation and Grading
Other Site Work
Tuan Nghi Diep Contact Information
Phone Number: (626) 560-5836
Address: 7638 Garvalia Ave, Rosemead, CA 91770
Tuan Nghi Diep Rosemead
Quality
94
76th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Tuan Nghi Diep has a BuildZoom score of 94, which places them above 76% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Tuan Nghi Diep has worked on at least
1.0 project 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-$20k |
|
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.
This is a sample of this contractor's permits. Click here to access their complete permit history.
995 s.f adu 484 s.f garage 21 s.f porch demolish extension garage
Valuation:
$199,282
Permit #:
RESI25-0217
Status:
issued
Fee:
$16,626
Permit Type:
New single family...
Building Type:
N/A
Replace doors & windows lighing cans & mini splits
Valuation:
$12,000
Permit #:
RESI25-0012
Status:
final
Fee:
$1,144
Permit Type:
Alteration or repair
Building Type:
N/A
Demolish garage for adu
Valuation:
$15,000
Permit #:
RESI25-0455
Status:
final
Fee:
$706
Permit Type:
Alteration or repair
Building Type:
N/A
Convert existing garage into a bedroom (494 sqft). convert breezeway into habitable space (123 sqft). new bedroom addition in rear (320 sqft). new attached garage (924 sqft).
Valuation:
$143,033
Permit #:
RS140409
Status:
Finaled
Fee:
$2,801
Permit Type:
N/A
Building Type:
N/A
Mechanical for new additions to existing single-story dwelling.
Valuation:
$0
Permit #:
ME140159
Status:
Closed-Complete
Fee:
$216
Permit Type:
N/A
Building Type:
N/A
Electrical for new additions to existing single-story dwelling.
Valuation:
$0
Permit #:
EL140457
Status:
Closed-Complete
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Plumbing for new additions to existing single-story dwelling.
Valuation:
$0
Permit #:
PB140383
Status:
Closed-Complete
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Re-roof; t/o existing wood shake; install comp shingles, class a
Valuation:
$0
Permit #:
RS140568
Status:
Closed-Complete
Fee:
$316
Permit Type:
N/A
Building Type:
N/A
Type dwelling additions & alterations. master bedroom and bathview pdf file
Valuation:
N/A
Permit #:
68593
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type plumbing. plumbing for additionview pdf file
Valuation:
N/A
Permit #:
68595
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type electric. electrical for additionview pdf file
Valuation:
N/A
Permit #:
68594
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type h/ac. mechanical for additionview pdf file
Valuation:
N/A
Permit #:
68596
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type electric. light and outlet
Valuation:
N/A
Permit #:
31268
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type h/ac.view pdf file
Valuation:
N/A
Permit #:
31267
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type electric
Valuation:
N/A
Permit #:
31266
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type dwelling additions & alterations. addition den & bathroom
Valuation:
N/A
Permit #:
31264
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type miscellaneous. building 9ft x21ft storage shed
Valuation:
N/A
Permit #:
31265
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Type plumbing
Valuation:
N/A
Permit #:
31269
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tuan Nghi Diep Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Tuan Nghi Diep License info
Verified License
| License # | 568623 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Tuan Nghi Diep at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
Tuan Nghi Diep Employees
TD
Tuan Nghi Diep
Sole Owner