Updated: Jan 21, 2026
Location and Projects
Address
P O BOX 1928, Rosemead, CA, 91770
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PAUL LAI Plumber
PAUL LAI, Rosemead, Po Box 1928, Rosemead, CA (Owned by: Paul Lai) holds a Plumbing 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 PAUL LAI, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
PAUL LAI Services
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PAUL LAI Contact Information
Phone Number: (626) 945-5451
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Address: P O BOX 1928, Rosemead, CA 91770
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PAUL LAI Rosemead
Quality
99
85th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
PAUL LAI has a BuildZoom score of 99, which places them above 85% of 336,931 contractors in California.
Activity
|
2 projects
|
2024 |
|
3 projects
|
2023 |
Our building permit records indicate that PAUL LAI has worked on at least
5.0 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.
Pricing
|
1 project
|
$100k-$250k |
|
1 project
|
$1mil+ |
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.
4 story single family dwelling w attach garage. lot a small lot subdivision pursuant to tentative tram map no. aa-2016-1798-pmla-sl. a certificate of occupany shall not be issued until after the final map has been recorded
Valuation:
$400,000
Permit #:
16010-10000-04791
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
4 story single family dwelling w attach garage. lot c small lot subdivision pursuant to tentative tram map no. aa-2016-1798-pmla-sl. a certificate of occupany shall not be issued until after the final map has been recorded
Valuation:
$400,000
Permit #:
16010-10000-04794
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
3-story single family dwelling with attached garage. small lot subdivision pursuant to tentative parcel map no. aa-2017-328-pmla-sl. parcel b
Valuation:
$425,000
Permit #:
18010-10000-02291
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
3-story single family dwelling with attached garage. small lot subdivision pursuant to tentative parcel map no. aa-2017-328-pmla-sl. parcel a
Valuation:
$425,000
Permit #:
18010-10000-02289
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #20016-10000-13511 to addition structural drawings and calculations to account for load bearing walls
Valuation:
$175,000
Permit #:
20016-10001-13511
Status:
issued
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(n) 3 story single family dwelling w. attach garage. lot b “small lot subdivision pursuant to preliminary parcel map no. aa-2015-3420-pmla-sl. a certificate of occupancy (temporary or final) shall not be issued until after the final map has been recorded.”
Valuation:
$400,000
Permit #:
16010-10000-01365
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 3 story single family dwelling w. attach garage. lot c “small lot subdivision pursuant to preliminary parcel map no. aa-2015-3420-pmla-sl. a certificate of occupancy (temporary or final) shall not be issued until after the final map has been recorded.”
Valuation:
$400,000
Permit #:
16010-10000-01366
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 3 story single family dwelling w. attach garage. lot d “small lot subdivision pursuant to preliminary parcel map no. aa-2015-3420-pmla-sl. a certificate of occupancy (temporary or final) shall not be issued until after the final map has been recorded.”
Valuation:
$400,000
Permit #:
16010-10000-01367
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
(n) 3 story single family dwelling w. attach garage. lot a “small lot subdivision pursuant to preliminary parcel map no. aa-2015-3420-pmla-sl. a certificate of occupancy (temporary or final) shall not be issued until after the final map has been recorded.”
Valuation:
$400,000
Permit #:
16010-10000-01364
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Potable water and low pressure gas for a new 3 story condo units. (8) new individual 1 domestic water meters no backflow
Valuation:
N/A
Permit #:
19042-30000-10178
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Supplemental to permit no.: 08016-10000-09794 to revise scope of work. new scope is proposed second floor open atrium addition of 501 sq ft partial demolition to reduce the building and change of use to facilities for the development and/or production and services including hardware
Valuation:
$100,000
Permit #:
08016-10003-09794
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Non-residential building alteration-repair
2023-01-12
Gas outlet/line for gas testing
Valuation:
N/A
Permit #:
PLMB970129
Status:
final
Fee:
$20
Permit Type:
N/A
Building Type:
N/A
Bldg-alter/repair
15454 W Sherman Way, Los Angeles, CA, 91406
2024-08-21
Eplan supplemental to 20016-10000-30252 to revise all three levels from the approved set of plans
Valuation:
$501
Permit #:
20016-20001-30252
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
8-unit apartment. connection to public sewer. public work permit number: s2020500236
Valuation:
N/A
Permit #:
20042-90000-06674
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Revision to water meter location and to correct water meter size to 2
Valuation:
N/A
Permit #:
19042-30001-10178
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
(eplan) attached aluminum solid roof to attached aluminum open lattice patio cover. mm
Valuation:
N/A
Permit #:
00913494-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
(e-plan) convert window to sliding door
Valuation:
N/A
Permit #:
00908663-RRA
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Water supply for 8-unit apartment
Valuation:
N/A
Permit #:
18042-90000-27303
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plan check only permit under 19042-10000-17181. revision to change underground pipe material. no change to loads
Valuation:
N/A
Permit #:
19042-30001-17181
Status:
approved
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
New 6'-0 high by 90'-0 long block wall w bottom 2'8 retaining
Valuation:
$5,400
Permit #:
17020-30000-00686
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
PAUL LAI License info
Verified License
| License # | 518704 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for PAUL LAI at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
99
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
117
Permits
- Building permit records show that PAUL LAI has worked on 117 permitted projects.
PAUL LAI Employees
PL
Paul Lai
Sole Owner
PL
Paul Lai
Owner