Updated: Oct 29, 2025
Location and Projects
Address
8811 RESEARCH DRIVE SUITE 200, Irvine, CA, 92618
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Williamson Craig Robert Architect
Williamson Craig Robert, 8811 Research Dr, Irvine, CA holds a Architect license and 1 other license according to the Fontana license board.
Their BuildZoom score of 104 ranks in the top 9% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Williamson Craig Robert, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Williamson Craig Robert Services
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Williamson Craig Robert Contact Information
Phone Number: (949) 474-1775
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Address: 8811 RESEARCH DRIVE SUITE 200, Irvine, CA 92618
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Williamson Craig Robert Irvine
Quality
104
91st percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Williamson Craig Robert has a BuildZoom score of 104, which places them above 91% of 336,931 contractors in California.
Activity
|
3 projects
|
2025 |
|
4 projects
|
2024 |
|
5 projects
|
2023 |
Our building permit records indicate that Williamson Craig Robert has worked on at least
12.0 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
|
4 projects
|
New Constructions |
|
3 projects
|
Home Additions |
Analyzing permits over the last 4 years shows that Williamson Craig Robert mostly works on
new construction
and home addition
projects.
Pricing
|
5 projects
|
< $5k |
|
2 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
|
5 projects
|
$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.
Building Permits by Williamson Craig Robert
This is a sample of this contractor's permits. Click here to access their complete permit history.
(e-plan) plumbing for interior and exterior warehouse tenant improvement to (e) tilt up building. first and second floor improvements to include demolition of existing tenant floor plan at second floor new partitions reflected ceiling new restrooms new water sewer fixtures hvac and lighting. site parking relocation with ada striping and signage. demolition of exterior grade ramp and i... see more
Valuation:
$805,000
Permit #:
PLM-2025-00493
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan)mechanical for interior and exterior warehouse tenant improvement to (e) tilt up building. first and second floor improvements to include demolition of existing tenant floor plan at second floor new partitions reflected ceiling new restrooms new water sewer fixtures hvac and lighting. site parking relocation with ada striping and signage. demolition of exterior grade ramp and ... see more
Valuation:
$805,000
Permit #:
MEC-2025-00425
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) electrical for interior and exterior warehouse tenant improvement to (e) tilt up building. first and second floor improvements to include demolition of existing tenant floor plan at second floor new partitions reflected ceiling new restrooms new water sewer fixtures hvac and lighting. site parking relocation with ada striping and signage. demolition of exterior grade ramp and... see more
Valuation:
$805,000
Permit #:
ELE-2025-00863
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) interior and exterior warehouse tenant improvement to existing storage/office building #6. work limited to existing first floor office area with demolition works of existing partitions erection of new partitions new ceiling new restrooms new water sewer fixtures hvac and lighting. included also is the relocation of ada parking spaces with ada striping and signage. demolition ... see more
Valuation:
$805,000
Permit #:
BLD-2025-01128
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construction of new retail building one single-story wood framed retail building ("vanilla shell with demising walls lay-in ceiling light fixtures hvac system and distribution restrooms electrical service telephone and water service) trash enclosure new ev parking and associated striping landscape irrigation code required signage and associated site work
Valuation:
$500,000
Permit #:
BPA25-0548
Status:
complete
Fee:
N/A
Permit Type:
Shell
Building Type:
N/A
One single-story wood framed retail building ("vanilla shell with demising walls lay-in ceiling light fixtures hvac system and distribution restrooms electrical service telephone and water service) trash enclosure new ev parking and associated striping landscape irrigation code required signage and associated site work
Valuation:
$3,000,000
Permit #:
BPA25-0451
Status:
triage
Fee:
N/A
Permit Type:
Shell
Building Type:
N/A
New retail building single-story wood framed retail building ("vanilla shell with demising walls lay-in ceiling light fixtures hvac system & distribution restrooms electrical service trash enclosure new ev parking and associated striping
Valuation:
$500,000
Permit #:
B202501486
Status:
issued
Fee:
$48,776
Permit Type:
N/A
Building Type:
N/A
A new 201 800sf. total concrete tilt up speculative warehouse- shell only including site building total developed area 10.02 air conditioning. project approved through dpr 22-00015. future tenant improvements screen walls fencing with pilasters trash enclosure free standing trellis will be under a separate permit. *permit extension granted on 08/21/2024 for an additional 90 days from ... see more
Valuation:
$7,080,000
Permit #:
PMT23-02574
Status:
plancheck
Fee:
$2,420,138
Permit Type:
N/A
Building Type:
N/A
New 4 story type iia annex building to existing church per za 94-0478 and za 96-0770 and dir-2020-3490-spp
Valuation:
$9,388,000
Permit #:
20010-10000-02293
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supp to permit 22010-20000-00609 to review deferred submittal of truss calcs and plans
Valuation:
$501
Permit #:
22010-20003-00609
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supp. to permit 22010-20000-00615 to revise floor plans relocate a stairway addition (n) office and restroom @ mez level and revise str. plans and to revise height
Valuation:
$501
Permit #:
22010-20001-00615
Status:
approved
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Revisions to b202205109 - changes to canopy site screen wall and dock leveler addition
Valuation:
$106,500
Permit #:
B202306037
Status:
final
Fee:
$2,841
Permit Type:
N/A
Building Type:
N/A
1. building canopy revision (bulletin 1) 2. site screen wall revision (bulletin 2) 3. dock leveler addition (bulletin 2) no mep revision
Valuation:
$106,500
Permit #:
BPA23-0517
Status:
complete
Fee:
N/A
Permit Type:
Shell
Building Type:
N/A
Supplemental to permit no. 20010-10000-02293. modify the provided parking space for the entire site. all provided parking stalls are existing & no restiping of parking lot
Valuation:
$501
Permit #:
20010-10005-02293
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Fire access plan review submittal for existing permit no. # pmt23-02574. *permit extension granted for an additional 90 days from today (05/19/2025) with new date of august 17 2025 (8/17/25). **permit extension granted for an additional 90 days from expiration date with new date of november 15 2025 (11/15/2025). **3rd permit extension granted for an additional 90 days from expiration ... see more
Valuation:
$7,080,000
Permit #:
PMT23-02863
Status:
approved
Fee:
$1,075
Permit Type:
N/A
Building Type:
N/A
New 896 x 550 type iiib warehouse/office all work per engineering nfpa 13 sprinklered throughout (a supplemental permit is required prior to cfo to revise the legal.)
Valuation:
$27,500,000
Permit #:
22010-20000-00615
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Proposed 4-tiered parking garage with 2 1/2 subterranean tiers
Valuation:
$11,708,022
Permit #:
15010-10000-03597
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
New 247'x628 warehouse/office (type iiib construction sprinklered throughout with nfpa 13). a supplemental permit is required prior to cfo to revise the legal
Valuation:
$13,400,000
Permit #:
22010-20000-00609
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to permit # 20010-10000-02293 post tension deferred submittal for slab and beams at level 3
Valuation:
$501
Permit #:
20010-10004-02293
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Supplemental to 20010-10000-02293 post tension deferred submittal for slab and beams at roof level
Valuation:
$501
Permit #:
20010-10008-02293
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Williamson Craig Robert License info
Verified License
| License # | 2875 |
| Status | Active |
| City | Fontana |
| Type | Architect |
- BuildZoom has not verified this license since July, 2015.
Verify this license's status for Williamson Craig Robert at the The City of Fontana, CA.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C23466 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom has not verified this license since May, 2025.
Verify this license's status for Williamson Craig Robert at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
Bonded
| Bonded Agent | Old Republic General Insurance Corporation |
| Bond Value | $7,500 |
97
Permits
- Building permit records show that Williamson Craig Robert has worked on 97 permitted projects.