Updated: Nov 04, 2025
Location and Projects
Address
199 W HILLCREST DRIVE, Thousand Oaks, CA, 91360
Use our bidding system to
request a quote
Robert C Liu Architect
Robert C Liu, 199 W Hillcrest Dr, Thousand Oaks, CA (Owned by: Liu Robert Chung Hsi) holds a Architect license and 3 other licenses according to the California license board.
Their BuildZoom score of 108 ranks in the top 5% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Robert C Liu, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Robert C Liu Services
Start a project today:
Robert C Liu Contact Information
Phone Number: (909) 789-1070
Edit
Address: 199 W HILLCREST DRIVE, Thousand Oaks, CA 91360
Edit
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
Robert C Liu Thousand Oaks
Quality
108
95th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Robert C Liu has a BuildZoom score of 108, which places them above 95% of 336,931 contractors in California.
Activity
|
10 projects
|
2025 |
|
9 projects
|
2024 |
|
6 projects
|
2023 |
|
6 projects
|
2022 |
Our building permit records indicate that Robert C Liu has worked on at least
31.0 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.
Experience
|
8 projects
|
Commercial Renovations |
|
5 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Robert C Liu mostly works on
commercial renovation
and home addition
projects.
Pricing
|
5 projects
|
< $5k |
|
5 projects
|
$20k-$50k |
|
4 projects
|
$50k-$100k |
|
3 projects
|
$100k-$250k |
|
2 projects
|
$500k-$1mil |
The typical size of their permits is approximately $35,000. 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.
Interior tenant improvement to ex. manufacturing warehouse building. demoltion of existing walls and ductwork panels partial ceiling removal and hallway modifications
Valuation:
$20,000
Permit #:
25016-20000-17367
Status:
plancheck
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Plan check only. revisions to previously approved plans under 24042-10000-00179. revision to pipe sizing for low pressure gas system
Valuation:
N/A
Permit #:
24042-10001-00179
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan: proposed new 536 s.f. detached adu per gcs 65852.2(e)(1)(b) and lamc 12.22 a.33(c) (d) and (g)
Valuation:
$140,000
Permit #:
22010-10000-05335
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Attn: joe vo supplemental to permit no. 21010-10000-01553 is the attached architectural plan which shows a door in the west wall width extension to the landing correct placement of the tankless water heater and fuse panel
Valuation:
$501
Permit #:
21010-20004-01553
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Eplan ** attn: sergio perez silva plan check #: b21wl03969 permit #: 21016-30000-25826 supplemental for pza review
Valuation:
$742,050
Permit #:
21016-10001-25826
Status:
triage
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Domestic water waste/vent and low pressure gas plumbing tenant improvement. existing water meter
Valuation:
N/A
Permit #:
24042-10000-00179
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan****proposed tenant improvementand change of use from retail to restaurant
Valuation:
$800,000
Permit #:
23016-10000-36403
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemeantal permit to 21016-10000-02175 to remove one ada parking and reaplce with two standard parking revise the floor plan and change the use of the front unit to retail and the use of the back unit to office
Valuation:
$501
Permit #:
21016-10002-02175
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
This is the revision to the structural plans where we moved a stem wall to the west perimeter of the adu and putting a regular wall in its place
Valuation:
$501
Permit #:
21010-20002-01553
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental permit to 22010-10000-05335 to modify multiple windows and doors. to update schedules and t24 calcs
Valuation:
$501
Permit #:
22010-10001-05335
Status:
plancheck
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Demolish portions of & addition (__ x __ __sf) to (e) 1-story restaurant (nfpa-13 fire sprinklers throughout) [core & shell]
Valuation:
N/A
Permit #:
21014-20000-04587
Status:
applied
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New 2-story type vb accessory dwelling unit with attached 1-car garage per ordinance
Valuation:
$270,000
Permit #:
19010-30000-05025
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Delta 1 arch & delta 3 str alter bedroom sliding door to window and fill in master br's coffered ceiling (rev2024-0233)
Valuation:
$40,000
Permit #:
XR2024-0309
Status:
final
Fee:
$1,503
Permit Type:
N/A
Building Type:
N/A
Plan check for energy compliance only. scope of work is a tenant improvement of an existing commercial space with an indoor lighting area of approximately 545 sqft
Valuation:
N/A
Permit #:
23041-10000-35142
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Delta 1 arch & delta 3 str - (n) scope: change daughters bedroom sliding door to window: fill in master br's coffered ceiling
Valuation:
N/A
Permit #:
REV2024-0233
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement. to existing manufacturing restroom upgrade remove and replace existing water damaged gypsum board within existing restrooms
Valuation:
$30,000
Permit #:
23016-20000-22554
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental permit for 21014-20000-04587 to addition open trellis (25'-9 x 17'-4") at front of (e) restaurant
Valuation:
$20,000
Permit #:
21014-20002-04587
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Addition to single family dwelling for new adu under (e) deck. repair patio deck
Valuation:
$125,000
Permit #:
21010-10000-01553
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Kitchen remodel to legalize existing work
Valuation:
N/A
Permit #:
B25-1028
Status:
final
Fee:
$1,384
Permit Type:
Remodel
Building Type:
N/A
Install 2 full height demising walls with drywalls on both side to create 3 new smaller empty retail units for future tenant improvement. bring sewer and waterlines to the spaces includes meps
Valuation:
N/A
Permit #:
BLD-2022-01588
Status:
final
Fee:
$1,987
Permit Type:
N/A
Building Type:
N/A
Similar Contractors See more
License # C29302
Los Angeles, CA
180
BZ Score
$25.4K
Avg Project
-
Projects
151
BZ Score
$109K
Avg Project
-
Projects
License # C34881
Los Angeles, CA
154
BZ Score
$37.5K
Avg Project
-
Projects
Robert C Liu Reviews
BuildZoom hasn't received any reviews for Robert C Liu. Click here to be alerted when reviews are posted about them.
Recent Buildzoom Projects
Hiring a contractor?
Verified License
BuildZoom confirmed this contractor's license
Robert C Liu License info
Verified License
| License # | C23188 |
| Status | Active |
| State | California |
| Type | Architect |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Robert C Liu at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 689139 |
| Status | Active |
| State | California |
| Type | General Building, Solar |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2025.
Verify this license's status for Robert C Liu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 708205 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- 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 Robert C Liu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 964592 |
| Status | Inactive |
| State | California |
| Type | General Building, Framing And Rough Carpentry |
| Business Type | Sole Ownership |
- 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 Robert C Liu at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
108
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
91
Permits
- Building permit records show that Robert C Liu has worked on 91 permitted projects.
Robert C Liu Employees
LH
Liu Robert Chung Hsi
Owner
MH
Mark Hwang
Officer
RL
Robert Chung Hsi Liu
Rmo/Ceo/Pres
RL
Robert Wei Hung Liu
Sole Owner