Updated: Dec 03, 2025
Location and Projects
Address
333 WASHINGTON BLVD STE 354, Marina Del Rey, CA, 90292
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Twenty7 Builders Construction
Twenty7 Builders Inc, 333 Washington Blvd, Marina Del Rey, CA (Employee: Ethan Atahan Demir) holds a General Building license according to the California license board.
Their BuildZoom score of 98 ranks in the top 16% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Twenty7 Builders Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Twenty7 Builders Inc Services
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Twenty7 Builders Inc Contact Information
Phone Number: (562) 786-5005
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Address: 333 WASHINGTON BLVD STE 354, Marina Del Rey, CA 90292
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Twenty7 Builders Inc Marina Del Rey
Quality
98
84th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Twenty7 Builders Inc has a BuildZoom score of 98, which places them above 84% of 336,931 contractors in California.
Activity
|
1 project
|
2024 |
|
1 project
|
2023 |
Our building permit records indicate that Twenty7 Builders Inc has worked on at least
2.0 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
|
< $5k |
|
1 project
|
$20k-$50k |
|
1 project
|
$50k-$100k |
|
1 project
|
$500k-$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.
Proposed to install private sewer disposal system (owts) for a new 2-story single family dwelling ( 3-bedrooms). septic tank = 1000 gal seepage pit = 5 ft dia x 41ft effective depth w min. cap of 17'-4 below surface grade or 25 ft minimum horizontal setback whichever is determined to be the greater distance or depth
Valuation:
$51
Permit #:
17030-10000-05824
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Supplemental to permit #19041-10000-09274 to correct address from 4209 w sea view dr. to 4209 sea view ln
Valuation:
N/A
Permit #:
19041-10001-09274
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 2 story 27'x88 type vb r3-occ single family dwelling with basement(1 of 5)
Valuation:
$506,678
Permit #:
17010-10000-04282
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Grading for new single family dwelling and detached garage (5 of 5)
Valuation:
$959
Permit #:
18030-10000-07803
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New 21.5'x24.67 type vb u-occ 2-car garage (2 of 5)
Valuation:
$29,100
Permit #:
17010-10000-04283
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temporary power pole
Valuation:
N/A
Permit #:
19041-10000-09274
Status:
issued
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
New retaining wall (max 6 high) (4 of 5)
Valuation:
$6,622
Permit #:
17020-10000-03135
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Permanent shoring (3 of 5)
Valuation:
$57,600
Permit #:
17020-10000-03136
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temp power pole
Valuation:
N/A
Permit #:
18041-10000-27849
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Temp power pole
Valuation:
N/A
Permit #:
19041-10000-17724
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
***gpi and posting*** for new construction of a single family dwelling new garage ret wall/trash enclosure temp shoring
Valuation:
N/A
Permit #:
17030-10000-07569
Status:
complete
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
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Twenty7 Builders Inc Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Twenty7 Builders Inc License info
Verified License
| License # | 1015828 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Twenty7 Builders Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
98
BuildZoom Score
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
Twenty7 Builders Inc Employees
ED
Ethan Atahan Demir
Rmo / Ceo / Pres