Updated: May 27, 2026
Location and Projects
Address
15003 CROSBY ST, San Leandro, CA, 94579
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Lam Nguyen Construction
Lam Nguyen, 15003 Crosby St, San Leandro, CA (Employees: Lam K Nguyen and Lam Nhu Nguyen) holds a General Building, Warm Air Heating, Ventilating And Air Conditioning license and 1 other license according to the California license board.
Their BuildZoom score of 107 ranks in the top 6% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Lam Nguyen, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Lam Nguyen Services
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Lam Nguyen Contact Information
Phone Number: (408) 389-9887
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Address: 15003 CROSBY ST, San Leandro, CA 94579
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Lam Nguyen San Leandro
Quality
107
94th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Lam Nguyen has a BuildZoom score of 107, which places them above 94% of 336,931 contractors in California.
Activity
|
11 projects
|
2025 |
|
5 projects
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Lam Nguyen has worked on at least
17.0 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
|
Home Additions |
|
3 projects
|
Multi-room remodels |
|
3 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Lam Nguyen mostly works on
home addition
and kitchen remodel
projects.
Pricing
|
1 project
|
< $5k |
|
2 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$500k-$1mil |
The typical size of their permits is approximately $29,000. 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.
Construct an approx. 378sf addition to the first floor. reconfigure and enlarge existing kitchen dining living and family room. addition (n) outdoor kitchen counter (only) and uncovered patio at the back of the house
Valuation:
$200,000
Permit #:
B25-0382
Status:
issued
Fee:
$7,553
Permit Type:
N/A
Building Type:
N/A
Remodel kitchen and addition (5) recessed lights in kitchen only. enf-2025-00176 *** the owner will have to apply for the unpermitted addition the reroof and for any other work being done in the rest of the house under a separate permit. ***
Valuation:
$26,500
Permit #:
BRALT-25-0431
Status:
complete
Fee:
$2,231
Permit Type:
Interior remodel
Building Type:
N/A
Delta 7 revision to provide details for soffit at 1hr ceiling and joist repair
Valuation:
$820,000
Permit #:
REV2025-0532
Status:
applied
Fee:
$154
Permit Type:
N/A
Building Type:
N/A
Delta 5 revision to t24; change to tank water heater; addition outdoor heaters; * change to use two heat pumps
Valuation:
$820,000
Permit #:
REV2024-1760
Status:
approved
Fee:
$361
Permit Type:
N/A
Building Type:
N/A
Delta 8 - change staircase and guardrail
Valuation:
$820,000
Permit #:
REV2025-0698
Status:
slipsheeted
Fee:
$339
Permit Type:
N/A
Building Type:
N/A
Scope of work: code case 23 103563 -revert garage to original condition to abate code violations by removing bedroom & full bathroom with associated plumbing & electrical
Valuation:
$8,284
Permit #:
2025 102962 RS
Status:
issued
Fee:
$244
Permit Type:
Single-family
Building Type:
N/A
Rev1-revise floor plan to show 2h fire rated walls between 2 tenant spaces remove fire alarm addition note to front door
Valuation:
N/A
Permit #:
BLD23-69353-REV1
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Duplex solar photovoltaic roof 8.208 kw. 114 modules. install (2) tesla powerwalls energy storage system 27.0 kw (x2020-0999)
Valuation:
$44,000
Permit #:
PV2023-0620
Status:
issued
Fee:
$833
Permit Type:
N/A
Building Type:
N/A
Delta 2 arch delta 3 & 4 str. r/r water damaged subfloor and roof 300 sf. structural revision to match field condition sikamb over garage slab. (rev2024-0153)
Valuation:
$24,000
Permit #:
XR2024-0222
Status:
final
Fee:
$1,344
Permit Type:
N/A
Building Type:
N/A
Delta 2 arch delta 3 & 4 str. addition scope r/r water damaged subfloor and roof 300 sf. structural revision to match field condition sikamb over garage slab
Valuation:
N/A
Permit #:
REV2024-0153
Status:
approved
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Delta 6- revise 1 hour rated exterior wall details
Valuation:
$820,000
Permit #:
REV2024-2282
Status:
approved
Fee:
$201
Permit Type:
N/A
Building Type:
N/A
R/r 200a w/400a srvc
Valuation:
$13,399
Permit #:
B25-0774
Status:
final
Fee:
$275
Permit Type:
N/A
Building Type:
N/A
New accessory dwelling unit w/2 bedrroms 2-baths, kitchen & living room(800 sq. ft.)
Valuation:
$153,000
Permit #:
2012070014
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tear off existing wood shake roof. install certainteed presidential tl shingle
Valuation:
N/A
Permit #:
DEV24-1528
Status:
final
Fee:
$464
Permit Type:
N/A
Building Type:
N/A
Delta 6 - addition shear transfer details at shear walls
Valuation:
$24,000
Permit #:
REV2024-0254
Status:
approved
Fee:
$126
Permit Type:
N/A
Building Type:
N/A
Remove existing shingles and replace new shingles roof
Valuation:
N/A
Permit #:
DEV24-2440
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family residence elevated deck 242 sf w drainage
Valuation:
$0
Permit #:
XR2024-6095
Status:
issued
Fee:
$1,075
Permit Type:
N/A
Building Type:
N/A
Bathroom and kitchen home remodel 200 sf. includes new water heater. revision- addition enclose atrium addition skylights at 2nd floor and new electrical. revision- new skylights structural work for atrium conversion to habitable 250 sf new electrical. new beam on 2nd floor
Valuation:
$29,000
Permit #:
B23-1001
Status:
issued
Fee:
$3,339
Permit Type:
N/A
Building Type:
Dwellings
Bathroom and kitchen home remodel of 200 sf
Valuation:
N/A
Permit #:
PRE23-01180
Status:
filed
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Delta 6 to provide a new pad footing to support post and bm-7
Valuation:
$24,000
Permit #:
REV2024-0165
Status:
applied
Fee:
$71
Permit Type:
N/A
Building Type:
N/A
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Projects
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Lam Nguyen License info
Verified License
| License # | 1085442 |
| Status | Active |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Lam Nguyen at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 830312 |
| Status | Inactive |
| State | California |
| Type | General Building, Warm Air Heating, Ventilating And Air Conditioning |
| 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 Lam Nguyen at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
107
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
63
Permits
- Building permit records show that Lam Nguyen has worked on 63 permitted projects.
Lam Nguyen Employees
LN
Lam K Nguyen
Sole Owner
LN
Lam Nhu Nguyen
Sole Owner