Updated: May 27, 2026
Location and Projects
Address
15 GENOA STREET UNIT B, Arcadia, CA, 91007
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Thanh Quoc Duong Construction
Serving the Arcadia, CA area for more than two decades, Thanh Quoc Duong has demonstrated extensive experience in residential construction and remodeling. With 22 years in the industry, projects have included home additions, interior renovations, and structural updates tailored to local properties. The contractor works with homeowners throughout Arcadia and surrounding neighborhoods, managing permit-protected work and compliance with municipal building codes. Project portfolios show a focus on traditional and contemporary single-family homes, with expertise in kitchen and bathroom remodels, custom carpentry, and room expansions. Thanh Quoc Duong’s longstanding presence in the region reflects a knowledge of local construction requirements and familiarity with both established homes and newer builds in Los Angeles County.
Thanh Quoc Duong Services
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Thanh Quoc Duong Contact Information
Phone Number: (626) 548-1325
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Address: 15 GENOA STREET UNIT B, Arcadia, CA 91007
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Thanh Quoc Duong Arcadia
Quality
111
96th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Thanh Quoc Duong has a BuildZoom score of 111, which places them above 96% of 336,931 contractors in California.
Activity
|
26 projects
|
2025 |
|
17 projects
|
2024 |
|
14 projects
|
2023 |
Our building permit records indicate that Thanh Quoc Duong has worked on at least
57.0 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
|
44 projects
|
< $5k |
|
1 project
|
$5k-$20k |
The typical size of their permits is approximately $3,000. This graph shows the distribution of these job values.
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.
Addition sill plate anchor bolts and plywood to cripple walls (if existing) per la city standard plan #1; no foundation replacement (earthquake hazard reduction per chapter 92 of the los angeles building code). (houses residential buildings up to 3 stories and up to 4 units)
Valuation:
$3,000
Permit #:
24016-10000-39750
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition sill plate anchor bolts and plywood to cripple walls (if existing) per la city standard plan #1; no foundation replacement (earthquake hazard reduction per chapter 92 of the los angeles building code). (houses residential buildings up to 3 stories and up to 4 units)
Valuation:
$3,000
Permit #:
24016-90000-21308
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Addition sill plate anchor bolts and plywood to cripple walls (if existing) per la city standard plan #1; no foundation replacement (earthquake hazard reduction per chapter 92 of the los angeles building code). (houses residential buildings up to 3 stories and up to 4 units)
Valuation:
$3,000
Permit #:
24016-90000-06440
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Voluntary seismic retrofit of 1 story/stories single-family residence using standard plan set a; detail(s) 2/s2
Valuation:
$3,000
Permit #:
BS2502155
Status:
issued
Fee:
N/A
Permit Type:
Repair & maintenance
Building Type:
Single-family res...
Voluntary seismic retrofit per la city standard plan detail #7
Valuation:
$3,000
Permit #:
B24-47919
Status:
final
Fee:
N/A
Permit Type:
Rr residential al...
Building Type:
N/A
Voluntary seismic retrofit per la city standards detail #4 and #7
Valuation:
$3,000
Permit #:
B25-000-394
Status:
final
Fee:
$652
Permit Type:
Dwellings
Building Type:
N/A
Voluntary seismic retrofit per l a city standards detail #7
Valuation:
N/A
Permit #:
211546
Status:
issued
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit per la city standards. details #4 & #7 for 543 n fifth avenue
Valuation:
N/A
Permit #:
210733
Status:
complete
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit per ladbs standard plan #7
Valuation:
$3,000
Permit #:
B25-0816
Status:
final
Fee:
$377
Permit Type:
Seismic retrofit
Building Type:
N/A
Voluntary seismic retrofit per la city standard detail 7
Valuation:
$3,000
Permit #:
B00-036-070
Status:
final
Fee:
$158
Permit Type:
Dwellings
Building Type:
N/A
Volunatry seismic rerofit per la city standard detail 7
Valuation:
$3,000
Permit #:
B00-035-888
Status:
final
Fee:
$156
Permit Type:
Dwellings
Building Type:
N/A
New patio cover 16 x 18 293 sf (2) lights and (1) switch and stand alone gazebo 11 x 11 121 sf
Valuation:
$10,000
Permit #:
B-25-843
Status:
issued
Fee:
$398
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit per la city standard #7
Valuation:
$3,000
Permit #:
RESI25-0159
Status:
final
Fee:
$253
Permit Type:
Voluntary seismic...
Building Type:
N/A
Voluntary seismic retrofit per la standard detail #7
Valuation:
N/A
Permit #:
212544
Status:
complete
Fee:
$306
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit per la city standards detail #7
Valuation:
N/A
Permit #:
212232
Status:
issued
Fee:
$459
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit per la city standards detail #7
Valuation:
N/A
Permit #:
210980
Status:
complete
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit per la city standards detail #7
Valuation:
N/A
Permit #:
BLD-2024-01349
Status:
issued
Fee:
$128
Permit Type:
N/A
Building Type:
N/A
Voluntary seismic retrofit of 1 story/stories single-family residence using standard plan set a; detail(s) 2/s2
Valuation:
$3,000
Permit #:
BS2406900
Status:
issued
Fee:
N/A
Permit Type:
Repair & maintenance
Building Type:
Single-family res...
Voluntary seismic retrofit per ladbs standard plan detail #6 & #7
Valuation:
$3,000
Permit #:
B00-033-369
Status:
final
Fee:
$166
Permit Type:
Dwellings
Building Type:
N/A
Voluntary seismic retrofit per la city standard plan #1 detail 7 as per approved plans
Valuation:
$3,000
Permit #:
BLDR-2024-0441
Status:
complete
Fee:
$533
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Projects
Thanh Quoc Duong Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Thanh Quoc Duong License info
Verified License
| License # | 1005499 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Thanh Quoc Duong at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 975350 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Thanh Quoc Duong at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
111
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
95
Permits
- Building permit records show that Thanh Quoc Duong has worked on 95 permitted projects.
Thanh Quoc Duong Employees
TD
Thanh Quoc Duong
Sole Owner
TT
Thanh Quoc Tran
Owner