Updated: May 06, 2026
Location and Projects
Address
207 TANFORAN LANE, Diamond Bar, CA, 91765
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Yang Kevin Y Architect
Yang Kevin Y, 207 Tanforan Ln, Diamond Bar, CA (Employee: Kevin Chia Jen Yang) holds a Architect license and 1 other 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 Yang Kevin Y, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Yang Kevin Y Services
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Yang Kevin Y Contact Information
Phone Number: (626) 672-5098
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Address: 207 TANFORAN LANE, Diamond Bar, CA 91765
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Sfd addition addition of 135 sq. ft. to extend (2) bedrooms and restroom. remodel of (e) bathroom. using hip roof framing
Valuation:
$15,323
Permit #:
B16-1186
Status:
Plan Check
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Issue permit to finalize install two handicap accessible restrooms and cut two new openings in concrete wall for retail sale (separate permit req'd for tenant improvement) bld2001-00857
Valuation:
$18,000
Permit #:
BLD2004-02911
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement for a tutoring center and construct 100 sq ft entry at front building (208-212 e. duarte rd). amended description 5/25/04
Valuation:
$169,623
Permit #:
B00-018-240
Status:
final
Fee:
$3,827
Permit Type:
Schools
Building Type:
N/A
Demolish partitions and install steel beams and columns at ground floor in exsiting 3-story urm building. no change of use
Valuation:
N/A
Permit #:
02016-10000-24224
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revise foundation plans approved under pcis#02016-10000-24224 due to field conditions(delta 1). addition new posts and beams
Valuation:
N/A
Permit #:
02016-10001-24224
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Reisuue expired permit for two ventilation fans for handicap bathroom additons. ref # bld2001-00857. mec2001-01179
Valuation:
$0
Permit #:
MEC2004-00993
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1-story addition of 3bdrms, 3baths, fmly room and 3-car garage
Valuation:
$112,000
Permit #:
BL404020012
Status:
Finaled
Fee:
N/A
Permit Type:
Ra residential ad...
Building Type:
N/A
Reissue expired permit for plumbing for two handicap restroom additions. ref # bld2001-00857. plm2001-01777
Valuation:
$0
Permit #:
PLM2004-01264
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Reisuue permits for electrical for two handicap restroom additions. ref # bld2001-00857 ele2001-01976
Valuation:
$0
Permit #:
ELE2004-01660
Status:
Expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Enclosed existing storage room and sealed windows
Valuation:
$1,000
Permit #:
BL408180042
Status:
Finaled
Fee:
N/A
Permit Type:
Ar alteration repair
Building Type:
N/A
Copper repiping of existing water lines
Valuation:
N/A
Permit #:
06-1067
Status:
final
Fee:
$61
Permit Type:
N/A
Building Type:
N/A
Tenant improvement in existing office space plan chk is for title 24 and 3 ea emergency ckts
Valuation:
N/A
Permit #:
03041-10000-09699
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Demolish partitions and install steel beams and columns at ground floor in exsiting 3-story urm building. no change of use
Valuation:
N/A
Permit #:
02016-10000-24224
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition masterbd bathrm dining room & attached 2car garage
Valuation:
$40,000
Permit #:
BL309020002
Status:
Finaled
Fee:
N/A
Permit Type:
Rr residential al...
Building Type:
N/A
Tenant improvement in existing office space plan chk is for title 24 and 3 ea emergency ckts
Valuation:
N/A
Permit #:
03041-10000-09699
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to #03044-10000-04505 for fire dampers at firewall
Valuation:
N/A
Permit #:
03044-10001-04505
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revise foundation plans approved under pcis#02016-10000-24224 due to field conditions(delta 1). addition new posts and beams
Valuation:
N/A
Permit #:
02016-10001-24224
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to #03044-10000-04505 for fire dampers at firewall
Valuation:
N/A
Permit #:
03044-10001-04505
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
1-story addition of 3bdrms, 3baths, fmly room and 3-car garage
Valuation:
$112,000
Permit #:
BL404020012
Status:
final
Fee:
N/A
Permit Type:
Ra residential ad...
Building Type:
N/A
Gas emergency shut off valve; hvac pld - ref 03044-10000-04505
Valuation:
N/A
Permit #:
03042-10000-19631
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
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Yang Kevin Y License info
Verified License
| License # | C32805 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Yang Kevin Y at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 807384 |
| Status | Inactive |
| State | California |
| Type | General Building |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Yang Kevin Y 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 | Western Surety Company |
| Bond Value | $10,000 |
Insured
| Workers Comp Provider | State Compensation Insurance Fund |
10
Permits
- Building permit records show that Yang Kevin Y has worked on 10 permitted projects.
Yang Kevin Y Employees
KY
Kevin Chia Jen Yang
Sole Owner
YY
Yang Kevin Y
Owner