Updated: Apr 05, 2026
Location and Projects
Address
448 S OAK KNOLL AVE #1, Pasadena, CA, 91101
Use our bidding system to
request a quote
Hsu Frank Nan-fei Architect
Hsu Frank Nan-fei, 448 S Oak Knoll Ave, Pasadena, CA (Owned by: Hsu Frank Nan Fei) 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 Hsu Frank Nan-fei, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Hsu Frank Nan-fei Services
Start a project today:
Hsu Frank Nan-fei Contact Information
Phone Number: (626) 716-8708
Edit
Address: 448 S OAK KNOLL AVE #1, Pasadena, CA 91101
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Hsu Frank Nan-fei Pasadena
Quality
93
73rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Hsu Frank Nan-fei has a BuildZoom score of 93, which places them above 73% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
Our building permit records indicate that Hsu Frank Nan-fei 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 |
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.
Tenant improvement work: interior modification of existing 3rd floor. new non-bearing partition walls with new finishes and addition a new training room for the office
Valuation:
$60,000
Permit #:
19016-10000-24654
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 19016-10000-24654 for detail change. revise partition connection detail location of door new shelving remove existing non-structural fake column
Valuation:
$501
Permit #:
19016-10001-24654
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Extending the exisitng restroom 20sqft
Valuation:
$7,500
Permit #:
B00-035-528
Status:
issued
Fee:
$262
Permit Type:
Dwellings
Building Type:
N/A
Construct new non-structural metal stud & dry wall full height partition wall at existing warehouse area. wall is 97'-6 long & approx 23'-6 tall. project located inside existing office/warehouse known as building a
Valuation:
$50,000
Permit #:
15016-10000-08816
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to replace missing original approved plans. ***pending plan check fees; valuation $501min. + 1hr plan check
Valuation:
N/A
Permit #:
15016-10001-08816
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Proposed 10 high cmu wall at south east side of property per engineered design: 126 along property line and 28'8 return
Valuation:
$75,000
Permit #:
15020-10000-01088
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Construct new 50 x 150 prefab steel one story metal storage warehouse building
Valuation:
N/A
Permit #:
16010-10000-03861
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Office tenant improvement: enclose 1200 sf of warehouse area and convert to open office. remodel conference room
Valuation:
$120,000
Permit #:
17016-10000-19852
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Construct new 50 x 150 prefab steel one story metal storage warehouse building
Valuation:
N/A
Permit #:
16010-10000-03861
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement work involving full height movable partitions (interior) room 456 john ferraro building
Valuation:
N/A
Permit #:
11016-10000-04278
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement work at john ferraro building room 1221 involving non bearing partitions ( 120 sf)
Valuation:
N/A
Permit #:
10016-10000-14577
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit to 10016-10000-11344 to reflect true wall interior non-bearing wall detail
Valuation:
N/A
Permit #:
10016-10001-11344
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Move 1 none bearing full height partition in room 549 john ferraro building. fire dept. approved
Valuation:
N/A
Permit #:
10016-10000-13498
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement on 9th floor: relocate interior non-bearing partition and reuse (e) door
Valuation:
N/A
Permit #:
10016-10000-18668
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement on 15th floor: (n) interior wall to subdivide (e) office room into (2) offices. no ceiling work
Valuation:
N/A
Permit #:
10016-10000-12068
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install storage racks inside of an existing warehouse. storage racks max 12 ft
Valuation:
N/A
Permit #:
11016-10000-04558
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit 10016-10000-17440 to revise floor plan layout
Valuation:
N/A
Permit #:
10016-10001-17440
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement work involving full height movable partitions (interior) room 456 john ferraro building
Valuation:
N/A
Permit #:
11016-10000-04278
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement: construct non-bearing partition wall
Valuation:
N/A
Permit #:
10016-10000-16460
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement work at john ferraro building room 1221 involving non bearing partitions ( 120 sf)
Valuation:
N/A
Permit #:
10016-10000-14577
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Similar Contractors See more
License # C29302
Los Angeles, CA
178
BZ Score
$25K
Avg Project
-
Projects
151
BZ Score
$109K
Avg Project
-
Projects
License # 16041
Marina Del Rey, CA
149
BZ Score
$85K
Avg Project
-
Projects
Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Hsu Frank Nan-fei License info
Verified License
| License # | C22232 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of June 2025.
Verify this license's status for Hsu Frank Nan-fei at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 657972 |
| 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 Hsu Frank Nan-fei 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 | Connecticut Indemnity Company |
| Bond Value | $7,500 |
22
Permits
- Building permit records show that Hsu Frank Nan-fei has worked on 22 permitted projects.
Hsu Frank Nan-fei Employees
FH
Frank Nan Fei Hsu
Sole Owner
HF
Hsu Frank Nan Fei
Owner
Outstanding architect. He understand the client's need and delivered the project on schedule and on budget.