Updated: Sep 10, 2025
Location and Projects
Address
P O BOX 1542, San Bruno, CA, 94066
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Lean Builders Construction
Lean Builders Inc, San, Po Box 1542, San Bruno, CA (Employees: Gregorio Contreras and Gregorio Contreras) holds a General Building license according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Lean Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Lean Builders Inc Services
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Lean Builders Inc Contact Information
Phone Number: (408) 427-4774
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Address: P O BOX 1542, San Bruno, CA 94066
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Lean Builders Inc San Bruno
Quality
101
88th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Lean Builders Inc has a BuildZoom score of 101, which places them above 88% of 336,931 contractors in California.
Activity
|
1 project
|
2025 |
|
3 projects
|
2024 |
|
1 project
|
2023 |
|
1 project
|
2022 |
Our building permit records indicate that Lean Builders Inc has worked on at least
6.0 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
|
6 projects
|
Kitchen remodels |
Analyzing permits over the last 4 years shows that Lean Builders Inc mostly works on
kitchen remodel
projects.
Pricing
|
1 project
|
$5k-$20k |
|
2 projects
|
$20k-$50k |
The typical size of their permits is approximately $20,000. 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.
Update 1 bathroom and kitchen (no wall moving) in-kind
Valuation:
$35,000
Permit #:
B22-2160
Status:
final
Fee:
$1,420
Permit Type:
Alterations
Building Type:
N/A
Kitchen and (2) bathroom update no walls moving
Valuation:
$20,000
Permit #:
B25-1496
Status:
final
Fee:
$1,810
Permit Type:
Alterations
Building Type:
N/A
Kitchen update bathroom update no walls moving
Valuation:
$15,000
Permit #:
B24-0336
Status:
final
Fee:
$851
Permit Type:
Alterations
Building Type:
N/A
Kitchen/bath update - no walls moving
Valuation:
N/A
Permit #:
B21-1995
Status:
final
Fee:
$703
Permit Type:
Alterations
Building Type:
N/A
Kitchen update no walls moving. 2 bathrooms update nowalls
Valuation:
$25,000
Permit #:
B23-2401
Status:
final
Fee:
$1,636
Permit Type:
Alterations
Building Type:
N/A
Kitchen remodel no walls alter bathroom remodel no wall alter
Valuation:
$20,000
Permit #:
B23-2225
Status:
final
Fee:
$1,417
Permit Type:
Alterations
Building Type:
N/A
Kitchen and bathroom update (no walls moving)
Valuation:
$30,000
Permit #:
B20-0450
Status:
final
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
Kitchen and bathroom update (no walls moving)
Valuation:
$30,000
Permit #:
B20-0449
Status:
final
Fee:
$1,114
Permit Type:
Alterations
Building Type:
N/A
Update kitchen like for like no wall removal
Valuation:
$20,000
Permit #:
B20-0701
Status:
final
Fee:
$825
Permit Type:
Alterations
Building Type:
N/A
Remove & replace fixtures
Valuation:
$9,000
Permit #:
B20-1587
Status:
final
Fee:
$424
Permit Type:
Residential
Building Type:
N/A
Update kitchen and 1 bathrm (no wall removal); conv wet bar
Valuation:
$7,000
Permit #:
B19-1008
Status:
final
Fee:
$456
Permit Type:
Alterations
Building Type:
N/A
Kitchen & bathroom update no wall moving
Valuation:
$35,000
Permit #:
B21-0787
Status:
final
Fee:
$1,161
Permit Type:
Residential
Building Type:
N/A
Update kitchen and 1 bathrm(no wall removal); conv wet bar
Valuation:
$25,000
Permit #:
B20-1837
Status:
final
Fee:
$957
Permit Type:
Alterations
Building Type:
N/A
Update kitchen and 1 bathrm (no wall removal); conv wet bar
Valuation:
$15,000
Permit #:
B19-2191
Status:
final
Fee:
$672
Permit Type:
Alterations
Building Type:
N/A
Update kitchen and 1 bathrm (no wall removal); conv wet bar
Valuation:
$15,000
Permit #:
B19-2190
Status:
final
Fee:
$672
Permit Type:
Alterations
Building Type:
N/A
Update kitchen and 1 bathrm (no wall removal); conv wet bar
Valuation:
$20,000
Permit #:
B19-0504
Status:
final
Fee:
$786
Permit Type:
Alterations
Building Type:
N/A
Cancelled: duplicate see b20-0701
Valuation:
$20,000
Permit #:
B20-0692
Status:
canceled
Fee:
N/A
Permit Type:
Alterations
Building Type:
N/A
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Lean Builders Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Lean Builders Inc License info
Verified License
| License # | 1043208 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2025.
Verify this license's status for Lean Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Berkshire Hathaway Direct Insurance Company |
16
Permits
- Building permit records show that Lean Builders Inc has worked on 16 permitted projects.
Lean Builders Inc Employees
GC
Gregorio Contreras
Rmo / Ceo / Pres
GC
Gregorio Contreras
Rmo / Ceo / Pres