Updated: Feb 20, 2026
Location and Projects
Address
6285 W WALBROOK DR, San Jose, CA, 95129
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Wang Jiajia Architect
Wang Jiajia, 6285 W Walbrook Dr, San Jose, CA (Employees: Xiaoguang Sun and Xiaoguang Sun) holds a General Building license and 1 other license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Wang Jiajia, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Wang Jiajia Services
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Wang Jiajia Contact Information
Phone Number: (669) 223-7777
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Address: 6285 W WALBROOK DR, San Jose, CA 95129
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Wang Jiajia San Jose
Quality
100
87th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Wang Jiajia has a BuildZoom score of 100, which places them above 87% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
Our building permit records indicate that Wang Jiajia has worked on at least
3.0 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 |
|
1 project
|
$50k-$100k |
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.
Convert the existing 670 sq.ft. detached garage/workshop (completed under permit 202002881) into a 2 bed/1 bathroom accessory dwelling unit (adu) and addition 79 sq.ft. for a grand total area of 749 sq.ft
Valuation:
$92,664
Permit #:
BL-NRES-2025-00038
Status:
issued
Fee:
$3,893
Permit Type:
N/A
Building Type:
N/A
Install new 60-amp circuit for level 2 ev charger for tesla
Valuation:
$800
Permit #:
B25-1779
Status:
final
Fee:
$434
Permit Type:
Electric vehicle ...
Building Type:
N/A
Kla-tencor: remodel two second floor break rooms
Valuation:
N/A
Permit #:
B-ME11-0257
Status:
final
Fee:
$107
Permit Type:
Cme-mechanical
Building Type:
N/A
Kla-tencor: remodel two second floor break rooms
Valuation:
N/A
Permit #:
B-EL11-0297
Status:
final
Fee:
$303
Permit Type:
Cel-electrical
Building Type:
N/A
Kla-tencor: remodel two second floor break rooms
Valuation:
N/A
Permit #:
B-PL11-0299
Status:
final
Fee:
$206
Permit Type:
Cpl-plumbing
Building Type:
N/A
Kla-tencor: remodel two second floor break rooms
Valuation:
$73,000
Permit #:
B-BP11-0327
Status:
final
Fee:
$1,003
Permit Type:
Caa-research/dev
Building Type:
N/A
Kla tencor: air conditioning unit on roof new electrical panel and wiremold
Valuation:
N/A
Permit #:
B-DF11-0027
Status:
FINALED
Fee:
$691
Permit Type:
Cds-def submittal
Building Type:
N/A
Kla tencor: tenant improvement to second floor office area
Valuation:
N/A
Permit #:
B-ME11-0201
Status:
final
Fee:
$145
Permit Type:
Cme-mechanical
Building Type:
N/A
Kla tencor: tenant improvement to second floor office area
Valuation:
N/A
Permit #:
B-EL11-0221
Status:
final
Fee:
$410
Permit Type:
Cel-electrical
Building Type:
N/A
+kla tencor: tenant improvement to second floor office area
Valuation:
$135,000
Permit #:
B-BP11-0229
Status:
final
Fee:
$3,716
Permit Type:
Cti-research/dev
Building Type:
N/A
Kla tencor: tenant improvement to second floor office area
Valuation:
N/A
Permit #:
B-PL11-0233
Status:
final
Fee:
$206
Permit Type:
Cpl-plumbing
Building Type:
N/A
Kla tencor: air conditioning unit on roof new electrical panel and wirem
Valuation:
N/A
Permit #:
B-ME11-0298
Status:
final
Fee:
$166
Permit Type:
Cme-mechanical
Building Type:
N/A
Kla tencor: air conditioning unit on roof new electrical panel and wirem
Valuation:
N/A
Permit #:
B-EL11-0332
Status:
final
Fee:
$294
Permit Type:
Cel-electrical
Building Type:
N/A
Tenant improvement. fresh life lines for youth
Valuation:
N/A
Permit #:
B12-0310
Status:
final
Fee:
$1,566
Permit Type:
Alter/comm
Building Type:
N/A
2025/2026 fiscal year annual r-2 inspection (12 units)
Valuation:
N/A
Permit #:
F25-1663
Status:
applied
Fee:
$241
Permit Type:
Apartment
Building Type:
N/A
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Wang Jiajia Reviews
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Verified License
BuildZoom confirmed this contractor's license
Wang Jiajia License info
Verified License
| License # | 1086340 |
| Status | Active |
| State | California |
| Type | General Building |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Wang Jiajia at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C34076 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for Wang Jiajia at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Insured
| Insurer | Third Coast Insurance Company |
| Insured up to | $2,000,000 |
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $100,000 |
6
Permits
- Building permit records show that Wang Jiajia has worked on 6 permitted projects.
Wang Jiajia Employees
WJ
Wang Jiajia
Owner
XS
Xiaoguang Sun
Member
XS
Xiaoguang Sun
Member
YN
Yu Niu
Member
YN
Yu Niu
Member
ZW
Zhi Wang
Rmm
ZW
Zhi Wang
Rmm