Updated: May 04, 2026
Location and Projects
Address
509 SPRING STREET, Sausalito, CA, 94965
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John Louis Maggiora Construction
John Louis Maggiora, 509 Spring St, Sausalito, CA (Employees: Dina Mary Maggiora and Elmo V Maggiora) holds a General Building license and 2 other licenses according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John Louis Maggiora, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John Louis Maggiora Services
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John Louis Maggiora Contact Information
Phone Number: (707) 480-0078
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Address: 509 SPRING STREET, Sausalito, CA 94965
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This is a sample of this contractor's permits. Click here to access their complete permit history.
A0589eh - 9610 trumark trailside - fiber
Valuation:
N/A
Permit #:
EP25-0109
Status:
issued
Fee:
N/A
Permit Type:
Utility
Building Type:
N/A
Fee estimate for trumark trailside
Valuation:
N/A
Permit #:
EP23-0251
Status:
fee estimate
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Fee estimate for trumark trailside
Valuation:
N/A
Permit #:
GP23-0014
Status:
fee estimate
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Trumark homes - 101 sf homes
Valuation:
N/A
Permit #:
GP20-0021
Status:
fee estimate
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Trumark homes - 101 sf homes
Valuation:
N/A
Permit #:
EP20-0160
Status:
fee estimate
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Industrial building - 430, 000 sq. ft
Valuation:
N/A
Permit #:
B17-3117
Status:
fee estimate
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
Industrial building - 215, 000 sq. ft
Valuation:
N/A
Permit #:
B17-3115
Status:
fee estimate
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
Repair/replace all dry-rot & tile
Valuation:
$3,000
Permit #:
B-62112
Status:
issued
Fee:
$266
Permit Type:
N/A
Building Type:
N/A
Exploratory for dry-rot
Valuation:
$1,000
Permit #:
B-54112
Status:
issued
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John Louis Maggiora License info
Verified License
| License # | 320281 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for John Louis Maggiora at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 320283 |
| Status | Inactive |
| State | California |
| Type | General Building |
| 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 John Louis Maggiora at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 195229 |
| Status | Inactive |
| State | California |
| Type | General Engineering, General Building |
| 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 John Louis Maggiora at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
John Louis Maggiora Employees
DM
Dina Mary Maggiora
Officer
EM
Elmo V Maggiora
Ceo / President
JM
John Louis Maggiora
Owner
KD
Koppy Joseph D
Entity
ML
Maggiora John Louis
Entity