Updated: Jun 02, 2026
Location and Projects
Address
8303 DORIS STREET, San Gabriel, CA, 91775
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Lau Douglas Barrett Architect
Lau Douglas Barrett, 8303 Doris St, San Gabriel, CA (Employee: Douglas Barrett Lau) holds a Architect license and 1 other license according to the California license board.
Their BuildZoom score of 99 ranks in the top 15% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Lau Douglas Barrett, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Lau Douglas Barrett Services
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Lau Douglas Barrett Contact Information
Address: 8303 DORIS STREET, San Gabriel, CA 91775
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Lau Douglas Barrett San Gabriel
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Lau Douglas Barrett has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
2 projects
|
2025 |
|
5 projects
|
2024 |
Our building permit records indicate that Lau Douglas Barrett has worked on at least
7.0 projects over the past 2 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.
Pricing
|
2 projects
|
< $5k |
|
1 project
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
1 project
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $17,500. 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.
Eplan supplemental to permit # 19010-20000-03298 to renew expired permit (80% complete) change architect addition storage room at each floor instead of elevator shaft new ramp at entry revise exterior openings new ramp at the entry modifications to the original plans for future ada adaptability path of travel to public right of way and fire rated details for a shaft and floor ceiling ... see more
Valuation:
$125,000
Permit #:
19010-10004-03298
Status:
triage
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to 23016-10000-17410 include first floor in scope of work. revised scope:tenant improvement to (e) medical office building to existing staff lounge area on first floor including new non-bearing partitions & millwork new partial ceilings and install mailboxes on fourth floor.no fee dept. error
Valuation:
N/A
Permit #:
23016-10001-17410
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan: supplemental to permit 22016-10000-12678 to 1. revise the occupant plan and egress calcs for revised spaces. 2. revise office configuration and name revisions at 401a 405 426 427 434 435 438 442 444 446. new wall types for room 427. 3. revise rcp for revised spaces. 4. revise rooftop mechanical layout 5. revise interior elevation and rooom finish for revised and affected spaces... see more
Valuation:
$10,000
Permit #:
22016-10001-12678
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan. plan check for power and energy. scope of work includes: new circuits lighting and controls. total affected area is: 565 square feet. renovate existing mailroom 107 on the ground floor to staff break room. branch electrical for tenant improvement to (e) medical office building including lighting controls and receptacles. existing architectural permit #23016-10000-17410 existing... see more
Valuation:
N/A
Permit #:
23041-10000-75573
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan interior tenant improvements including non-bearing partitions and refinishing throughout. associated mechanical and electrical improvements including new mechanical distribution new break room new lighting and power
Valuation:
$600,000
Permit #:
22016-10000-12678
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Eplan: tenant improvement to (e) medical office building to existing staff lounge area including new non-bearing partitions & millwork new and partial ceilings
Valuation:
$25,000
Permit #:
23016-10000-17410
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use from massage parlor to day care facility dogs and cats no overnight stays
Valuation:
$750
Permit #:
25016-20000-18649
Status:
triage
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Change of use from (e) retail to (n) dog day care facility (50'0"x26'0")
Valuation:
$2,000
Permit #:
24016-20000-00707
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvment to (e) core&shell maintenance shop within building #1 under 14010-10000-01409. no change in use or occupancy
Valuation:
$170,000
Permit #:
17014-10000-03591
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Installation of new chilled water chase and mechanical piping for future chilled water connection to (e) rooftop equipment enclosure (exterior and infrastructure work only)
Valuation:
$160,000
Permit #:
13016-10000-07847
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Replace suspended ceiling on ground floor and 2nd floor elevator lobby and corridor area
Valuation:
N/A
Permit #:
15016-20000-24567
Status:
Submitted
Fee:
N/A
Permit Type:
Commercial
Building Type:
(18) school building
Tenant improvement lobby and office remodel on ground floor; floor ceiling and wall refinishes new counter door and built in case work (sierra apartments usc) (sq ft 948). remove interior cmu walls to expand office new openinings in interior cmu walls
Valuation:
N/A
Permit #:
06016-10000-25199
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Tenant improvment to (e) core&shell maintenance shop within building #1 under 14010-10000-01409. no change in use or occupancy
Valuation:
$170,000
Permit #:
17014-10000-03591
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
60'-0 x 106'-6 state approved temporary commercial coach to be used as an office for a period of one year for staff relocated due to construction of new building under permit # 06010-10000-04515
Valuation:
N/A
Permit #:
08010-30000-02233
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement remodeling restroom refinishing and new dropped ceiling
Valuation:
$30,000
Permit #:
15016-20000-12904
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement remodel to existing offices on fourth floor; remodel of existing computer room on seventh flr; new ada accessible drinking fountains on 4th and 7th flr; total floor area 1096 sqft
Valuation:
N/A
Permit #:
06016-10000-23424
Status:
Permit Finaled
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement at seeley g mudd building suite # 824. remove and replace interior partitions at existing psychology lab offices (1, 500 sq ft). addition h/c stall to ex'g restroom
Valuation:
N/A
Permit #:
05016-30000-18371
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
15'-7 x 46'-6 addition to (e) single family dwelling w attached garage: master bedroom & bathroom & closet study pantry and laundry closet
Valuation:
N/A
Permit #:
11014-20000-02420
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Tenant improvement at 4th floor north end of kaprielan hall (12, 509 sq ft) remove and replace partitions ceiling and finishes. addition four sola tube skylights and remove roof equipment pad
Valuation:
N/A
Permit #:
08016-30000-06861
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Tenant improvement remodel of ground floor to enlarge retail sales area including new non bearing partitions and door relocations and replacement new wall and floor finishes 2000 sq ft
Valuation:
N/A
Permit #:
07016-10000-14276
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Lau Douglas Barrett License info
Verified License
| License # | C29390 |
| Status | Active |
| State | California |
| Type | Architect |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Lau Douglas Barrett at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 407486 |
| Status | Inactive |
| State | Colorado |
| Type | Architect |
- According to the Colorado Division of Professions and Occupations, 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 Lau Douglas Barrett at the Colorado Division of Professions and Occupations.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
42
Permits
- Building permit records show that Lau Douglas Barrett has worked on 42 permitted projects.
Lau Douglas Barrett Employees
DL
Douglas Barrett Lau
LB
Lau Douglas Barrett
Owner